1989 FORD FIESTA check transmission fluid

Engine temperature information is supplied
by the coolant temperature sensor. This
component is an NTC (Negative Temperature
Coefficient) thermistor - that is, a semi-
conductor whose electrical resistance
decreases as its temperature increases. It
provides the EEC IV module with a constantly-
varying (analogue) voltage signal, corre-
sponding to the temperature of the engine
coolant. This is used to refine the calculations
made by the module, when determining the
correct amount of fuel required to achieve the
ideal air/fuel mixture ratio. Inlet air temperature information is supplied
by the inlet air temperature sensor. This
component is also an NTC thermistor - see the
previous paragraph - providing the module with
a signal corresponding to the temperature of air
passing into the engine. This is used to refine
the calculations made by the module, when
determining the correct amount of fuel required
to achieve the ideal air/fuel mixture ratio. A throttle position sensor is mounted on the
end of the throttle valve spindle, to provide
the EEC IV module with a constantly-varying
(analogue) voltage signal corresponding to the
throttle opening. This allows the module to
register the driver’s input when determining
the amount of fuel required by the engine. Road speed is monitored by the vehicle
speed sensor. This component is a Hall-effect
generator, mounted on the transmission’s
speedometer drive. It supplies the module with a
series of pulses corresponding to the vehicle’s
road speed, enabling the module to control
features such as the fuel shut-off on overrun. A manifold absolute pressure sensor
measures inlet manifold vacuum, and supplies
this information to the EEC IV module for
calculation of engine load at any given throttle
position. Where power steering is fitted, a pressure-
operated switch is screwed into the power
steering system’s high-pressure pipe. The
switch sends a signal to the EEC IV module to
reduce engine speed should the power steering
fluid pressure become excessively high. On models with a catalytic converter, the
oxygen sensor in the exhaust system provides
the EEC IV module with constant feedback -
“closed-loop” control - which enables it to
adjust the mixture to provide the best possible
conditions for the catalytic converter to operate. On turbocharged engines, control of the
turbocharger boost pressure is also governed
by the EEC IV module, acting through the
boost control valve. This allows inlet manifold
depression to be applied to the turbocharger
wastegate control. The turbocharger consists of a turbine that
is driven by the exhaust gases, to suck air
through the air filter and to compress it into the
engine. An air-cooled intercooler, mounted
next to the radiator, cools the inlet air (heated
by its passage through the turbocharger); this
increases the density of the compressed
fuel/air mixture entering the engine, thus
improving the engine’s power output.Precautions
Warning: Petrol is extremely
flammable - great care must be
taken when working on any part
of the fuel system. Do not
smoke or allow any naked flames or
uncovered light bulbs near the work area.
Note that gas powered domestic
appliances with pilot flames, such as
heaters, boilers and tumble dryers, also
present a fire hazard - bear this in mind if
you are working in an area where such
appliances are present. Always keep a
suitable fire extinguisher close to the work
area and familiarise yourself with its
operation before starting work. Wear eye
protection when working on fuel systems
and wash off any fuel spilt on bare skin
immediately with soap and water. Note
that fuel vapour is just as dangerous as
liquid fuel; a vessel that has just been
emptied of liquid fuel will still contain
vapour and can be potentially explosive.
Petrol is a highly dangerous and volatile
liquid, and the precautions necessary
when handling it cannot be overstressed. Many of the operations described in this
Chapter involve the disconnection of fuel
lines, which may cause an amount of fuel
spillage. Before commencing work, refer
to the above Warning and the information
in “Safety first” at the beginning of this
manual. When working with fuel system
components, pay particular attention to
cleanliness - dirt entering the fuel system
may cause blockages which will lead to
poor running.
Note: Residual pressure will remain in the fuel
lines long after the vehicle was last used,
when disconnecting any fuel line, it will be
necessary to depressurise the fuel system as
described in Section 2 .
Note: Refer to Section 16 for specific
precautions relating to turbocharged engines.
2 Fuel system -
depressurisation
1
Refer to Part B, Section 2.
3 Fuel lines and fittings -
general information
Refer to Part B, Section 3.
4 Air cleaner assembly and air inlet components - removal
and refitting
1
Note: Air cleaner element renewal and air
cleaner temperature control system checks
(where applicable) are described in Chapter 1.
Air cleaner assembly
1 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1).
2 If the idle speed control valve is mounted
on the air cleaner, disconnect the multi-plug
and the air bypass hose from the valve.
3 Disconnect the flexible hose between the
air cleaner lid and the air inlet duct or
turbocharger air inlet.
4 Disconnect the crankcase breather hose
from the front of the air cleaner housing.
5 Unclip and remove the air cleaner lid, then
withdraw the element.
6 Remove the two bolts securing the forward
end of the air cleaner housing, free the
rearward end of the housing from its location
and carefully withdraw from the vehicle (see
illustration) .
7 Refitting is a reversal of the removal
procedure.
Air inlet components
8 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1).
9 If the idle speed control valve is mounted
on the air cleaner, disconnect the multi-plug
and the air bypass hose from the valve (see
illustration) .
10 Disconnect the HT leads from the spark
plugs, labelling them if necessary to avoid
confusion on refitting.
Fuel system - electronic fuel injection engines 4C•3
4.9 General view of the air inlet
components on non-Turbo models
A Air inlet duct
B Air inlet duct securing bolts
C Spark plug HT lead connectors
D Air cleaner lid
E Idle speed control valve multi-plug
F Air bypass hose
4.6 Air cleaner housing attachments A Bolts B Grommet
4C
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1 General information andprecautions
General information
The fuel system consists of a fuel tank
(mounted under the body, beneath the rear
seats), fuel hoses, an electric fuel pump
mounted in the fuel tank, and a sequential
electronic fuel injection system.
The electric fuel pump supplies fuel under
pressure to the fuel rail, which distributes fuel
evenly to all injectors. A pressure regulator
controls the system pressure in relation to
inlet tract depression. From the fuel rail, fuel is
injected into the inlet ports, just above the
inlet valves, by four fuel injectors. The system
also includes features such as the flushing of
fresh (ie, cold) fuel around each injector on
start-up, thus improving hot starts. The amount of fuel supplied by the injectors
is precisely controlled by the EEC IV engine
management module. The module uses the
signals derived from the crankshaft position
sensor and the camshaft position sensor, to
trigger each injector separately in cylinder
firing order (sequential injection), with benefits
in terms of better fuel economy and lower
exhaust emissions. The EEC IV module is the heart of the entire
engine management system, controlling the
fuel injection, ignition and emissions control
systems. The module receives information
from various sensors which is then computed
and compared with pre-set values stored in
it’s memory, to determine the required period
of injection. Information on crankshaft position and
engine speed is generated by a crankshaft
position sensor. The inductive head of the
sensor runs just above the engine flywheel
and scans a series of 36 protrusions on the
flywheel periphery. As the crankshaft rotates,
the sensor transmits a pulse to the system’s
ignition module every time a protrusion
passes it. There is one missing protrusion in
the flywheel periphery at a point
corresponding to 90° BTDC. The ignition
module recognises the absence of a pulse
from the crankshaft position sensor at this
point to establish a reference mark for
crankshaft position. Similarly, the time interval
between absent pulses is used to determine
engine speed. This information is then fed to
the EEC IV module for further processing. The camshaft position sensor is located in
the cylinder head so that it registers with a
lobe on the camshaft. The camshaft position
sensor functions in the same way as the
crankshaft position sensor, producing a series
of pulses; this gives the EEC IV module a
reference point, to enable it to determine the
firing order, and operate the injectors in the
appropriate sequence. The mass air flow sensor is based on a “hot-
wire” system, sending the EEC IV module a constantly-varying (analogue) voltage signal
corresponding to the mass of air passing into
the engine. Since air mass varies with
temperature (cold air being denser than warm),
measuring air mass provides the module with
a very accurate means of determining the
correct amount of fuel required to achieve the
ideal air/fuel mixture ratio.
Engine temperature information is supplied by
the coolant temperature sensor. This
component is an NTC (Negative Temperature
Coefficient) thermistor - that is, a semi-
conductor whose electrical resistance
decreases as its temperature increases. It
provides the EEC IV module with a constantly-
varying (analogue) voltage signal, corresponding
to the temperature of the engine coolant. This is
used to refine the calculations made by the
module, when determining the correct amount
of fuel required to achieve the ideal air/fuel
mixture ratio. Inlet air temperature information is supplied
by the inlet air temperature sensor. This
component is also an NTC thermistor - see
the previous paragraph - providing the
module with a signal corresponding to the
temperature of air passing into the engine.
This is used to refine the calculations made by
the module, when determining the correct
amount of fuel required to achieve the ideal
air/fuel mixture ratio. A throttle position sensor is mounted on the
end of the throttle valve spindle, to provide
the EEC IV module with a constantly-varying
(analogue) voltage signal corresponding to the
throttle opening. This allows the module to
register the driver’s input when determining
the amount of fuel required by the engine.
Road speed is monitored by the vehicle
speed sensor. This component is a Hall-effect
generator, mounted on the transmission’s
speedometer drive. It supplies the module
with a series of pulses corresponding to the
vehicle’s road speed, enabling the module to
control features such as the fuel shut-off on
overrun.
Where power steering is fitted, a pressure-
operated switch is screwed into the power
steering system’s high-pressure pipe. The
switch sends a signal to the EEC IV module to
reduce engine speed should the power
steering fluid pressure become excessively
high.
The oxygen sensor in the exhaust system
provides the module with constant feedback -
“closed-loop” control - which enables it to
adjust the mixture to provide the best possible
conditions for the catalytic converter to
operate. The air inlet side of the system consists of
an air cleaner housing, the mass air flow
sensor, an inlet hose and duct, and a throttle
housing. The throttle valve inside the throttle housing
is controlled by the driver, through the
accelerator pedal. As the valve opens, the
amount of air that can pass through the
system increases. As the throttle valve opens further, the mass air flow sensor signal alters,
and the EEC IV module opens each injector
for a longer duration, to increase the amount
of fuel delivered to the inlet ports.
Both the idle speed and mixture are under
the control of the EEC IV module, and cannot
be adjusted. Not only can they not be
adjusted, they cannot even be checked,
except with the use of special Ford diagnostic
equipment.
Precautions
Warning: Petrol is extremely
flammable - great care must be
taken when working on any part
of the fuel system. Do not
smoke or allow any naked flames or
uncovered light bulbs near the work area.
Note that gas powered domestic
appliances with pilot flames, such as
heaters, boilers and tumble dryers, also
present a fire hazard - bear this in mind if
you are working in an area where such
appliances are present. Always keep a
suitable fire extinguisher close to the work
area and familiarise yourself with its
operation before starting work. Wear eye
protection when working on fuel systems
and wash off any fuel spilt on bare skin
immediately with soap and water. Note
that fuel vapour is just as dangerous as
liquid fuel; a vessel that has just been
emptied of liquid fuel will still contain
vapour and can be potentially explosive.
Petrol is a highly dangerous and volatile
liquid, and the precautions necessary
when handling it cannot be overstressed. Many of the operations described in this
Chapter involve the disconnection of fuel
lines, which may cause an amount of fuel
spillage. Before commencing work, refer
to the above Warning and the information
in “Safety first” at the beginning of this
manual. When working with fuel system
components, pay particular attention to
cleanliness - dirt entering the fuel system
may cause blockages which will lead to
poor running.
Note: Residual pressure will remain in the fuel
lines long after the vehicle was last used,
when disconnecting any fuel line, it will be
necessary to depressurise the fuel system as
described in Section 2 .
2 Fuel system-
depressurisation
1
Refer to Part B, Section 2.
3 Fuel lines and fittings -
general information
Refer to Part B, Section 3.
4D•2 Fuel system - sequential electronic fuel injection engines
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needed not to spill the fluid onto the hands -
wear suitable protective gloves. Plug or cap
the disconnected pipes and valve openings,
to prevent dirt ingress and further fluid loss.
4Unbolt the valve from its mounting bracket,
unhook the linkage from the rear axle, then
withdraw the valve (see illustration). The
intermediate bracket may be unbolted if
required.
Refitting
5 Refitting is the reverse of the removal
procedure; adjust the valve as described in
Section 22, then bleed the complete hydraulic
system as described in Section 13. Check the
operation of the brakes before taking the
vehicle out on the road.
22 Light-laden valve (Courier models) - adjustment
2
Note:To adjust the valve accurately, the
vehicle must be at a known rear axle loading -
owners who cannot determine the loading
with sufficient accuracy must have this check
made by a Ford dealer or similar expert.
1 For this operation, the vehicle must be
raised for access underneath at the rear, but
must be standing on its wheels. Suitable
ramps (or an inspection pit) will therefore be
required. If positioning the vehicle on a pair of
ramps, chock the front roadwheels.
2 Measure the distance between the inner
radius of the linkage’s hooked end and the
first shoulder (see illustration) . If the
dimension is not as specified for the axle
loading, adjustment is required.
3 To adjust the setting, slacken the locknut
on the valve linkage, move the rod until the
setting is correct, then tighten the locknut
securely (see illustration) . Check the
operation of the brakes before taking the
vehicle out on the road.
23 Anti-lock braking system (ABS) - general information
A mechanically-driven, two-channel anti-
lock braking system is available as a factory-
fitted option on certain model variants within
the Fiesta range.
The system comprises four main
components; two modulators, one for each
brake circuit, and two rear axle load-
apportioning valves, again, one for each brake
circuit. Apart from the additional hydraulic
piping, the remainder of the braking system is
the same as for conventional models. The modulators are located in the engine
compartment with one mounted on each side
of the transmission, directly above the
driveshaft inner constant velocity joints. Each
modulator contains a shaft which actuates a
flywheel by means of a ball and ramp clutch. A rubber toothed belt is used to drive the
modulator shaft from the driveshaft inner
constant velocity joint.
During driving and under normal braking
the modulator shaft and the flywheel rotate
together and at the same speed through the
engagement of a ball and ramp clutch. In this
condition hydraulic pressure from the master
cylinder passes to the modulators and then to
each brake in the conventional way. In the
event of a front wheel locking the modulator
shaft rotation will be less than that of the
flywheel and the flywheel will overrun the ball
and ramp clutch. This causes the flywheel to
slide on the modulator shaft, move inward and
operate a lever which in turn opens a dump
valve. Hydraulic pressure to the locked brake
is released via a de-boost piston allowing the
wheel to once again revolve. Fluid passed
through the dump valve is returned to the
master cylinder reservoir via the modulator
return hoses. At the same time hydraulic
pressure from the master cylinder causes a
pump piston to contact an eccentric cam on
the modulator shaft. The flywheel is then
decelerated at a controlled rate by the
flywheel friction clutch. When the speed of the
modulator shaft and flywheel are once again
equal the dump valve closes and the cycle
repeats. This complete operation takes place
many times a second until the vehicle stops or
the brakes are released. The load-apportioning valves are mounted
on a common bracket attached to the rear
body, just above the rear axle twist beam
location, and are actuated by linkages
attached to the axle beam. The valves
regulate hydraulic pressure to the rear brakes,
in accordance with vehicle load and attitude,
so that the braking force available at the rear
brakes will always be lower than that available
at the front. A belt-break warning switch is fitted to the
cover which surrounds each modulator
drivebelt. The switch contains an arm which is
in contact with the drivebelt at all times. If the
belt should break, or if the adjustment of
the belt is too slack, the arm will move out
closing the switch contacts and informing the
driver via an instrument panel warning light.
24 Anti-lock braking system (ABS) components - removal
and refitting
3
Modulator
Note: Before starting work, refer to the
warning at the beginning of Section 13
concerning the dangers of hydraulic fluid.
1 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1).
2 Minimise hydraulic fluid loss by
disconnecting the wiring multi-plug from the
fluid level warning indicator in the master
cylinder reservoir filler cap, then remove the
filler cap. Note that the filler cap must not be
inverted. Place a piece of plastic film over the
reservoir and seal it with an elastic band.
3 Disconnect the modulator return hoses
from the master cylinder reservoir, collecting
any fluid spillage from the hoses in a suitable
tray. The modulator return hose unions should
be disconnected by first pushing the hose
into the reservoir, then retaining the collar
against the reservoir body whilst withdrawing
the hose. Note that the hoses are colour
coded - the left-hand modulator has a black
return hose and connector, and should be
fitted to the forward section of the reservoir,
whilst the right-hand modulator has a grey
return hose and connector, and should be
fitted to the rear section of the reservoir.
9•14 Braking system
22.3 Light-laden valve linkage adjustment locknut (arrowed)
22.2 Light-laden valve adjustment details
With rear axle load at 400 kg, “X” should be 147 mm
With rear axle load at 850 kg,
“X” should be 166 mm
21.4 Light-laden valve mounting bolts (arrowed)
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39With the drivebelt tensioned correctly,
tighten the pivot and adjuster bolts to the
specified torque. Re-check the tension of the
drivebelt after tightening the bolts.
40 Reconnect the rigid brake pipes to the
modulator, tightening the unions to seal the
system.
41 Refit the modulator drivebelt cover and
secure with its two retaining bolts. Take care
not to damage the driveshaft CV joint gaiter as
the cover is eased into position.
42 Refit the belt-break switch to the
modulator drivebelt cover, taking care not to
damage the belt contact arm as it passes
through the cover.
43 Reconnect the modulator return hose by
pushing the hose firmly into its brake fluid
reservoir location, then lever out the collar to
retain it.
44 Refit the front suspension crossmember
and the one-piece undertray, as applicable.
45 Refit the roadwheels, then remove the
axle stands and lower the vehicle to the
ground. Tighten the wheel nuts to the
specified torque.
46 Top-up the brake fluid reservoir using
fresh fluid of the specified type (see “ Weekly
checks ”), then bleed the brake hydraulic
system in accordance with Section 14. Refit
the reservoir filler cap and the warning
indicator wiring multi-plug on completion.
47 Reconnect the battery negative lead.
Modulator drivebelt
48Disconnect the battery negative (earth)
lead (refer to Chapter 5A, Section 1).
49 Chock the rear wheels then jack up the
front of the car and support it on axle stands
(see “Jacking and Vehicle Support” ). Remove
the relevant front roadwheel.
50 Remove the one-piece undertray where
fitted, by turning its bayonet-type fasteners,
and on XR2i models, remove the front
suspension crossmember (see Chapter 10).
51 Remove the belt-break switch from the
relevant drivebelt cover, then remove the
drivebelt cover, as described in the previous
sub-Section.
52 Slacken the modulator pivot and adjuster
bolts to release drivebelt tension, then slip the
drivebelt from the modulator.
53 Remove the track rod end balljoint from
the steering arm on the spindle carrier (see
Chapter 10).
54 Disconnect the anti-roll bar connecting
link (where applicable) and release the brake
hose from their locations on the suspension
strut.
55 Remove the pinch bolt and nut securing
the lower suspension arm balljoint to the
spindle carrier, and separate the balljoint from
the spindle carrier assembly.
56 To release the driveshaft inner CV joint
from the differential, have an assistant pull the
spindle carrier away from the centre of the
vehicle whilst you insert a lever between the
inner CV joint and the transmission casing,
then firmly strike the lever with the flat of the hand, but be careful not to damage adjacent
components. Make provision for escaping
transmission oil, if possible plugging the
opening to prevent excessive loss. Do not
allow the CV joints to bend more than 20°
from the horizontal or internal damage may
occur. If both driveshafts are to be removed,
immobilise the differential by inserting an old
joint or suitable shaft, before the other
driveshaft is removed.
57
Slide the drivebelt off the driveshaft.
58 Remove the snap-ring from the groove in
the splines of the inner CV joint. This snap-
ring must be renewed every time the
driveshaft is withdrawn from the differential.
59 With the drivebelt removed, closely
examine the condition of the belt over its
entire length. Renew the belt if any cracks are
noticed in the fabric at the roots of the teeth, if
there is any abrasion of the fabric facing
material, or if there are any tears starting from
the edge of the belt.
60 If, since the drivebelts were last renewed,
a vehicle has covered more than 30 000 miles
(48 000 km) or a period of more than two
years has elapsed, the drivebelts should be
renewed as a matter of course.
61 Prior to refitting the drivebelt, thoroughly
clean its CV joint pulley location.
62 Fit the drivebelt over the driveshaft then,
with a new snap-ring fitted to the inner CV
joint splines, lubricate the splines with
transmission oil. Remove the temporary plug
and insert the inner CV joint to its
transmission casing location. Press against
the spindle carrier so that the snap-ring
engages fully to hold the CV joint splines in
the differential.
63 Refitting is now a reversal of the removal
procedure, tensioning the drivebelt as
described in the previous sub-Section. Ensure
that the pinch-bolt securing the lower
suspension arm balljoint to the spindle carrier
locates in the annular groove on the balljoint
spindle. Secure the track rod and balljoint,
using a new split pin. Tighten the suspension
components to their specified torque (see
Chapter 10).
64 Check the level of the transmission oil,
and top-up as required (see Chapter 1).
Modulator belt-break switch
65 Modulator belt-break switches are fitted
to each of the two drivebelt covers, and clip
into position. To remove, gently squeeze the
protruding lever on the switch towards the
main switch body and lift out, ensuring that
the belt contact arm does not catch on the
drivebelt cover.
25 Load-apportioning valve (ABS models) - adjustment
3
1Before attempting to adjust the load-
apportioning valves, the vehicle must be at its
kerb weight, ie with approximately half a tank
of fuel and carrying no load. Note that a
special setting tool will be required to adjust
the valves - this can be fabricated, to the
dimensions shown (see illustration).
2 Raise the vehicle on ramps or drive it over
an inspection pit, so that working clearance is
obtained with the full weight of the vehicle
resting on its roadwheels. Remove the spare
wheel and its carrier.
3 To check adjustment, insert the load-
apportioning valve setting tool into the nylon
sleeve without pre-loading the valve. If unable
to insert the tool, carry out the following
adjustment procedure.
4 Slacken the operating link adjustment fixing
screw then insert the setting tool into the
nylon sleeve, applying light pressure to the
operating link upper arm, so that the setting
tool fully locates. With the setting tool just
resting up against the adjustment post,
tighten the operating link adjustment fixing
screw to the specified torque (see
illustration) .
5 Repeat the procedure on the other valve.
6 Refit the spare wheel on completion.
26 Load-apportioning valve
(ABS models) - removal and
refitting
3
1 Minimise hydraulic fluid loss by
disconnecting the wiring multi-plug from the
fluid level warning indicator in the master
9•16 Braking system
25.4 Load-apportioning valve adjustment
A Setting tool
B Operating link adjustment fixing screw
C Adjustment post
25.1 Load-apportioning valve adjustment tool (dimensions given in mm)
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windows (early models) and the tailgate
remote release mechanism, where fitted.
19Disconnect the battery negative (earth)
lead (refer to Chapter 5A, Section 1).
20 To remove a switch, carefully prise it from
its location using a thin flat-bladed
screwdriver, then disconnect the multi-plug
(see illustrations) .
21 To refit, connect the multi-plug then push
home to secure.
Heater fan motor control switch
22 Disconnect the battery negative (earth)
lead (refer to Chapter 5A, Section 1).
23 Pull the heater fan motor control knob off,
then move the air distribution and
temperature controls fully to the right. Unclip
and remove the heater slide facia towards the
left-hand side of the vehicle, removing the
slide control knobs only as necessary, and
disconnecting its bulbholder (bayonet type) as
it is withdrawn (see illustration) .
24 Squeeze the two release tabs together on
the heater fan motor control switch, and
remove it, disconnecting its multi-plug as it is
withdrawn.
25 Refit by reversing the removal procedure.
Brake stop-light switch
26The brake stop-light switch is attached to
the brake pedal mounting bracket.
27 Detach the wiring multi-plug from the
switch, then twist the switch through a quarter
of a turn (90º) anticlockwise and withdraw it
from the bracket. 28
Insert the switch into its retainer, press it
lightly against the brake pedal until all free
play is just taken up, then turn the switch
clockwise to secure. Reconnect the switch
wiring connector and the battery.
Handbrake warning light
switch
29 Push the carpet mounding down as
necessary to gain access to the switch,
located on the handbrake lever.
30 Remove the cover, then disconnect the
warning light switch wiring multi-plug (see
illustration) . Undo the two screws securing
the switch to the handbrake lever assembly
and remove the switch.
31 Refit by reversing the removal procedure.
Low brake fluid level warning
light switch
32This is incorporated into the brake fluid
reservoir cap, and senses fluid level in the
reservoir. It cannot be renewed separately
from the cap.
33 To remove, disconnect the warning
indicator loom multi-plug and unscrew the
reservoir cap.
34 Refit by reversing the removal procedure.
Courtesy light switches
35Disconnect the battery negative (earth)
lead (refer to Chapter 5A, Section 1).
36 With the door open, undo the retaining
screw and withdraw the switch from the door
pillar. Pull out the wiring slightly, and tie a piece of string to it, so that it can be retrieved
if it drops down into the door pillar.
37
Disconnect the wiring from the switch.
38 Refitting is a reversal of removal.
Reversing light switch
39Refer to Chapter 7A, Section 6.
Starter inhibitor switch
(automatic transmission)
40Disconnect the battery negative (earth)
lead (refer to Chapter 5A, Section 1).
41 The starter inhibitor switch is located on
the transmission housing, and prevents the
engine from being started with the selector
lever in any position except “P” or “N”.
Access to the switch is gained after raising
and supporting the vehicle at the front end on
axle stands (see “Jacking and vehicle
support” ).
42 Detach the switch multi-plug, then
unscrew and remove the switch from the
transmission, together with its O-ring. As the
switch is removed, catch any fluid spillage in a
suitable container, and plug the switch
aperture in the transmission to prevent any
further loss.
43 Refitting is a reversal of the removal
procedure. Use a new O-ring, and tighten the
switch securely. Ensure that the wiring
connection is securely made. On completion,
check and if necessary top-up the automatic
transmission fluid (see Chapter 1) then check
that the engine only starts when the selector
is in the “P” or “N” position.
Luggage area contact plate
44 Disconnect the battery negative (earth)
lead (refer to Chapter 5A, Section 1).
45 Open the tailgate and release the contact
plate side retaining clips using a thin-bladed
screwdriver. Push the contact plate from its
location in the body.
46 Disconnect the wiring multi-plug and
remove the plate (see illustration).
47 Refit in the reverse order of removal.
Luggage area contact switch
48Disconnect the battery negative (earth)
lead (refer to Chapter 5A, Section 1).
49 Open the tailgate and remove its inner
trim panel (see Chapter 11).
12•6 Body electrical systems
4.46 Withdrawing the luggage area
contact plate for access to disconnect the
multi-plug4.30 Removing the cover from thehandbrake warning light switch
4.23 Heater fan motor control switch removal4.20b . . . then disconnect its multiplugand remove the switch4.20a Prise the centre console switch up from its location . . .
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1595 Ford Fiesta Remake
REF•18Fault finding
Braking system
Note:Before assuming that a brake problem exists, make sure that the
tyres are in good condition and correctly inflated, that the front wheel\
alignment is correct, and that the vehicle is not loaded with weight in \
an
unequal manner. Apart from checking the condition of all pipe and
hose connections, any faults occurring on the Anti-lock Braking System
(ABS) should be referred to a Ford dealer for diagnosis.
Vehicle pulls to one side under braking
m m Worn, defective, damaged or contaminated front or rear brake
pads/shoes on one side (Chapter 1).
m m Seized or partially-seized front or rear brake caliper/wheel cylinder
piston (Chapter 9).
m m A mixture of brake pad/shoe lining materials fitted between sides
Chapter 1).
m m Brake caliper mounting bolts loose (Chapter 9).
m
m Rear brake backplate mounting bolts loose (Chapter 9).
m
m Worn or damaged steering or suspension components (Chap-
ter 10).
Noise (grinding or high-pitched squeal) when
brakes applied
m mBrake pad or shoe friction lining material worn down to metal
backing Chapter 1).
m m Excessive corrosion of brake disc or drum (may be apparent after
the vehicle has been standing for some time) (Chapter 1).
Excessive brake pedal travel
m mInoperative rear brake self-adjust mechanism (Chapter 9).
m
m Faulty master cylinder (Chapter 9).
m
m Air in hydraulic system (Chapter 9).
Rear wheels locking under normal braking
m
mRear brake shoe linings contaminated (Chapter 1).
m
m Faulty brake pressure regulator (Chapter 9).
Brake pedal feels spongy when depressed
m
mAir in hydraulic system (Chapter 9).
m
m Deteriorated flexible rubber brake hoses (Chapter 9).
m
m Master cylinder mounting nuts loose (Chapter 9).
m
m Faulty master cylinder (Chapter 9).
Excessive brake pedal effort required to stop
vehicle
m mFaulty vacuum servo unit (Chapter 9).
m
m Disconnected, damaged or insecure brake servo vacuum hose
(Chapter 9).
m m Primary or secondary hydraulic circuit failure (Chapter 9).
m
m Seized brake caliper or wheel cylinder piston(s) (Chapter 9).
m
m Brake pads or brake shoes incorrectly fitted (Chapter 9).
m
m Incorrect grade of brake pads or brake shoes fitted (Chapter 1).
m
m Brake pads or brake shoe linings contaminated (Chapter 1).
Judder felt through brake pedal or steering wheel
when braking
m mExcessive run-out or distortion of front discs or rear drums
Chapter 9).
m m Brake pad or brake shoe linings worn (Chapter 1).
m
m Brake caliper or rear brake backplate mounting bolts loose
(Chapter 9).
m m Wear in suspension or steering components or mountings
(Chapter 10).
Brakes binding
m mSeized brake caliper or wheel cylinder piston(s) (Chapter 9).
m
m Faulty handbrake mechanism (Chapter 9).
m
m Faulty master cylinder (Chapter 9).
Automatic transmission
Note: Due to the complexity of the automatic transmission, it is difficult
for the home mechanic to properly diagnose and service this unit. For
problems other than the following, the vehicle should be taken to a
dealer service department or automatic transmission specialist.
Fluid leakage
m m Automatic transmission fluid is usually deep red in colour. Fluid
leaks should not be confused with engine oil, which can easily be
blown onto the transmission by airflow.
m m To determine the source of a leak, first remove all built-up dirt and
grime from the transmission housing and surrounding areas, using
a degreasing agent, or by steam-cleaning. Drive the vehicle at low
speed, so airflow will not blow the leak far from its source. Raise
and support the vehicle, and determine where the leak is coming
from. The following are common areas of leakage:
a) Transmission fluid sump (Chapters 1 and 7B).
b) Dipstick tube (Chapters 1 and 7B).
c) Transmission-to-fluid cooler pipes/unions (Chapter 7B).
d) Speedometer drive pinion O-ring.
e) Differential output fluid seals (Chapter 7B).
Transmission fluid brown, or has burned smell
m m Transmission fluid level low, or fluid in need of renewal (Chapter 1).\
Engine will not start in any gear, or starts in gears
other than Park or Neutral
m mStarter inhibitor switch faulty (Chapter 7B).
m
m Incorrect selector cable adjustment (Chapter 7B).
General gear selection problems
m
mChapter 7B deals with checking and adjusting the selector cable
on automatic transmissions. The following are common problems
which may be caused by a poorly-adjusted cable:
a) Engine starting in gears other than Park or Neutral.
b) Indicator on gear selector lever pointing to a gear other than the
one actually being used.
c) Vehicle moves when in Park or Neutral.
d) Poor gear shift quality or erratic gear changes.
Refer to Chapter 7B for the selector cable adjustment procedure.
Transmission will not downshift (kickdown) with
accelerator pedal fully depressed
m m Low transmission fluid level (Chapter 1).
m
m Incorrect selector cable adjustment (Chapter 7B).
m
m Engine management system fault (Chapters 1, 4A, 4B, 4C, 4D, 4E
or 5B).
Transmission slips, is noisy, or has no drive in
forward or reverse gears
m mThere are many probable causes for the above problems, but the
home mechanic should be concerned with only one possibility -
fluid level. Before taking the vehicle to a dealer or transmission
specialist, check the fluid level and condition of the fluid as
described in Chapter 1. Correct the fluid level as necessary, or
change the fluid if needed. If the problem persists, professional
help will be necessary.
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1595 Ford Fiesta Remake
IndexREF•27
REF
Note: References throughout this index relate to Chapter•page number
A
Accelerator cable -4A•4, 4B•4, 4C•4, 4D•3
Accelerator pedal - 4A•4, 4B•4, 4C•4, 4D•3
Accelerator pump - 4A•8
Acknowledgements - 0•4
Aerial - 12•16
Air bags - 0•5, 12•17
Air cleaner - 1•22, 1•23, 4A•3, 4B•4, 4C•3,
4D•3, 4E•5
Air temperature control system - 1•23,
4B•8, 4C•7, 4D•6
Alarm system - 12•17, REF• 5
Alternator - 5A•4
Anti-lock braking system (ABS) - 9•11,
9•14, 9•16
Anti-roll bar - 10•7, 10•11
Anti-theft alarm system - 12•17, REF•5
Antifreeze - 0•12, 0•17, 1•21, 1•22, 3•2
Asbestos - 0•5
ATF - 0•17, 1•18, 1•24
Automatic choke - 4A•16, 4A•17
Automatic transmission -2A•10, 2B•13,
2C•15, 2D•6, 2D•8, 2D•10, 7B•1 et seq,
12 •6, 12 •8
Automatic transmission fault finding - REF• 18
Automatic transmission fluid - 0•17, 1•18,
1•24
Auxiliary lights - 12•7, 12•10
Axle - 10•10
B
Backfire - REF•16
Backrest - 11•17
Ballast resistor - 4B•9
Balljoint - 10•17
Battery - 0•5, 0•14, 5A•2, 5A•3
Battery fault - REF•20
Big-end bearings - 2D•21, 2D•24
Bleeding braking system - 9•10, 9•11
Bleeding power steering - 10•17
Body electrical systems -1•18, 12 •1et seq,
REF• 11
Body electrical system fault finding - 5A•2,
12 •3, REF •20
Bodywork and fittings -1•18, 11 •1et seq,
REF• 13
Bonnet - 1•18, 11•4,11•5
Boot - 1•16
Boots - 8•3, 8•4, 10 •15
Brake fluid - 0•13, 0•17, 1•26, 12 •6
Braking system -1•17, 9•1 et seq, 12•6,
REF• 10, REF•11, REF• 12
Braking system fault finding - REF•18 Bulbs -
0•16, 12 •7,12•8
Bumpers - 11•7, 11•8
Burning - 0•5
Buying spare parts - REF•5
C
Cables -4A•4, 4B•4, 4C•4, 4D•3, 6•1, 7B•2,
9•12, 9•13, 12 •12
Calipers - 9•3
Camshaft - 2B•6, 2B•7, 2C•7, 2C•8, 2D•16
Camshaft position sensor - 4D•6
Carburettor - 4A•7, 4A•8, 4A•9, 4A•11,
4A•13, 4A•14, 4A•15, 4A•17, 4A•18
Carpets - 11•2
Cassette player - 12•15, REF •5
Catalytic converter - 4E•2, 4E•5
Centre console - 11•20, 12 •5
Charcoal canister - 4E•6
Charging system - 5A•3
Choke - 4A•4, 4A•16, 4A•17
Cigarette lighter - 12•9, 12 •12
Clock - 12•8, 12•12
Clutch -1•18, 6•1 et seq
Clutch fault finding - REF•17
Coil - 5B•4
Compression test - 2A•3, 2B•3, 2C•3
Connecting rods - 2D•17, 2D•24, 2D•25
Console - 11•20, 12•5
Contents - 0•2
Conversion factors - REF•6
Coolant - 0•12, 0•17, 1•21, 1•22, 3•2
Coolant pump - 3•7
Coolant temperature sensor - 4B•8, 4C•7,
4D•6
Cooling ,heating and ventilation systems -
3•1 et seq
Cooling system fault finding - REF•16
Courtesy light - 12•6, 12•9
Crankcase - 2D•19
Crankcase ventilation system - 1•24
Crankshaft - 2A•6, 2A•9, 2B•4, 2B•6,
2B•12, 2C•4, 2C•7, 2C•14, 2D•18,
2D•22, 2D•24
Crankshaft position sensor - 4B•8, 4C•7,
4D•6, 5B•5
Crossmember - 10•7
Crushing - 0•5
Cushion - 11•17
CV joint - 1•16, 8•3, 8•4
CVH and PTE engine in-car repair
procedures -2B•1 et seq
Cylinder block - 2D•19
Cylinder head - 2A•4, 2A•5, 2B•4, 2B•9,
2C•3, 2C•10, 2D•12, 2D•14, 2D•15
D
Dents in bodywork - 11•2
Depressurising fuel system - 4B•3, 4C•3,
4D•2
Differential - 7A•3, 7B•3
Dimensions - REF•1
Direction indicators - 12•7, 12•9, 12•10
Discs - 9•4
Distributor - 1•20, 5B•5, 5B•6, 5B•7
Doors - 1•18, 11• 6,11•9, 11 •10,,11 •11,
11 •13, 11•14, 11•15, REF •11
Drip rail moulding - 11•5
Drivebelt - 1•11
Driveplate - 2B•14, 2C•16
Driveshafts -1•16, 8•1 et seq,REF•12
Driveshafts fault finding - REF•19
Drivetrain - 1•18
Drums - 9•4
E
Earth fault - 12•4
EEC IV engine management module - 4C•6
Electric shock - 0•5
Electric windows - 11•14, 12 •7, 12•15,
REF•20
Emblems - 11•5
Emission control system - 1•24, 4E•1
Engine fault finding - REF•15, REF•16,
REF •18
Engine oil - 0•12, 0•17, 1•9
Engine removal and overhaul procedures -
2D•1 et seq
Environmental considerations - REF•4
Evaporative emission control systems - 1•24, 4E•2, 4E•5
Exhaust and emission control systems -
4E•1 et seq
Exhaust emission checks - REF•13
Exhaust manifold - 4E•3
Exhaust system - 1•16, 4E•1, 4E•2, REF •5,
REF •12
Exhaust system fault - REF•17
Expansion tank - 3•6
F
Facia - 11•20, 12 •5
Fan - 3•4
Fast-idle speed adjustment - 4A•13, 4A•15,
4A•9, 4A•7
Fault finding - REF•14et seq
Fault finding - automatic transmission -
REF •18
Fault finding - braking system - REF•18
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Fault finding - clutch - REF•17
Fault finding - cooling system - REF•16
Fault finding - driveshafts - REF•19
Fault finding - electrical system - 5A•2,
12 •3, REF •20
Fault finding - engine - REF•15, REF•16,
REF•18
Fault finding - fuel and exhaust systems -
REF•17
Fault finding - manual transmission - REF•17
Fault finding - suspension and steering
systems - REF•19
Filling - 11•3
Filter, air -1•22, 1•23, 4A•3, 4B•4, 4C•3,
4D•3, 4E•5
Filter, oil -1•9
Filter, fuel -1•25
Fire - 0•5
Float - 4A•7, 4A•9, 4A•16
Fluid seals - 7B•3
Fluids - 0•17
Flywheel - 2A•11, 2B•14, 2C•16
Fuel consumption high - REF•17
Fuel cut-off switch - 4B•5, 4C•5, 4D•4
Fuel filler pipe - 4A•6, 4B•5, 4C•5, 4D•4
Fuel filter - 1•25
Fuel gauge - 4A•6, 4B•4, 4C•5, 4D•4, 12 •12
Fuel gauge fault - REF•20
Fuel hoses - 1•13
Fuel injectors - 4B•5, 4C•5, 4D•5
Fuel lines - 1•17, 4B•3, 4C•3, 4D•2
Fuel pressure check - 4C•4
Fuel pressure regulator - 4B•6, 4C•6, 4D•5
Fuel pump - 4A•5, 4B•4, 4C•4, 4C•5, 4D•4
Fuel rail - 4C•5, 4D•5
Fuel system - carburettor engines -4A•1 et
seq
Fuel system - central fuel injection engines
-4B•1 et seq
Fuel system - electronic fuel injection engines -4C•1 et seq
Fuel system - sequential electronic fuel
injection engines -4D•1 et seq
Fuel and exhaust systems - REF•13
Fuel and exhaust systems fault finding - REF•17
Fuel tank - 4A•5, 4A•6, 4B•4, 4B•5, 4C•5,
4D•4
Fuel trap - 4B•7
Fume or gas intoxication - 0•5
Fuses - 0•16, 12 •4
G
Gaiters - 1•16, 8•3, 8•4, 10 •15
Gashes in bodywork - 11•3
Gaskets - REF •4
Gear lever - 7A•2
Gear selection problems - REF•18
Gear selector - 7B•2
Gearbox oil - 0•17, 1•14
Gearbox - See Manual gearbox
Gearchange linkage - 7A•2
Gearchange selector - 7A•3
Glossary of technical terms - REF•22 et seq
Grab handle - 11•20
H
Handbrake - 1•25, 9•12, 9•13, 12 •6,
REF•10
Handles - 11•11, 11•13, 11 •20
Hazard warning switch - 12•8
HC emissions - REF•13
HCS engine in-car repair procedures -
2A•1 et seq
Headlight - 12•7, 12 •9, 12 •10
Heater - 3•2, 3•8, 12 •6, 12•9
Horn - 12•12
Horn fault - REF•20
HT lead - 1•20
Hub bearings - 10•5, 10•8, REF •12
Hydraulic pipes and hoses - 9•9
Hydraulic tappets - 2C•8
Hydrofluoric acid - 0•5
I
Idle speed -1•14, 1•15, 1•20, 4C•6
Idle speed control valve - 4D•6
Idling fault - REF•15
Ignition amplifier - 5B•5
Ignition switch - 12•5
Ignition system -5B•1 et seq
Ignition fault - REF•20
Ignition timing - 5B•7
Indicators - 12•7, 12•9, 12 •10
Injector ballast resistor - 4B•9
Injectors - 4C•5, 4D•5
Inlet manifold - 4A•18, 4B•9, 4C•8, 4D•7
Instruments - 1•18, 12•8, 12•11
Instrument fault - REF•20
Intercooler - 4C•8
Interior light - 12•6, 12 •9
J
Jacking and vehicle support - REF•5
Joint mating faces - REF•4
Joystick - 12•16
Jump starting - 0•7
L
Leaks -0•9, 1•12, REF •16, REF•17, REF•18,
REF•20
Light-laden valve - 9•13, 9•14
Lighter - 12•9, 12 •12
Lights-on warning module - 12•16
Load compartment - 11•20
Load-apportioning valve - 9•16
Locknuts ,locktabs and washers - REF•4
Locks - 11•11, 11•12, 11•13, 12 •5
Loudspeaker housing - 11•20
Lower arm - 10•8
Lubricants - 0•17
Luggage area - 12•6, 12•9
M
Main bearings - 2D•21, 2D•22
Manifold absolute pressure sensor - 4B•8,
4C•7 Manifolds -
4A•18, 4B•9, 4C•8, 4D•7, 4E•3
Manual gearbox
Manual transmission -2A•10, 2B•13,
2C•15, 2D•6, 2D•8, 2D•10, 7A•1 et seq
Manual transmission fault finding - REF•17
Manual transmission oil - 0•17, 1•14
Mass air flow sensor - 4D•6
Master cylinder - 9•7
Minor scratches in bodywork - 11•2
Mirrors - 11 •8, 11•9, REF •10
Misfire - REF•15
Mixture - 1•14, 1•15, 4C•7, REF•13
Modulator - 9•16
MOT test checks - REF•10et seq
Mountings - 2A•10, 2B•13, 2C•15
N
Needle valve - 4A•7, 4A•9, 4A•16
Number plate light - 12•8, 12 •10
O
Oil filter - 1•9
Oil pressure fault - REF•16
Oil pump - 2A•8, 2A•9, 2B•11, 2B•12,
2C•13
Oil seals - 2A•9, 2B•7, 2B•12, 2C•8, 2C•14,
7A•3, 7B•3, REF •4
Oil separator - 4E•5
Oil, engine - 0•12, 0•17, 1•9
Oil, manual transmission - 0•17, 1•14
Open-circuit - 12•4
Overcooling - REF•16
Overheating - REF•16
Oxygen sensor - 4B•8, 4C•7, 4D•7
P
Pads -9•2
Paint - 1•18
Parcel shelf - 11•20
Parking light - 12•7
Passive Anti-Theft System (PATS) - 12•17
Pedals - 4A•4, 4B•4, 4C•4, 4D•3, 6•2, 9•8,
9•9
Pinking - REF•16
Piston rings - 2D•22
Pistons - 2D•17, 2D•24, 2D•25
Plastic components - 11•4
Poisonous or irritant substances - 0•5
Positive crankcase ventilation system - 4E•1, 4E•5
Power steering - 10•14, 10•15, 10•16,
10 •17
Power steering fluid - 0•13, 0•17
Power steering pressure switch - 4B•8,
4C•7, 4D•7
Pre-ignition - REF•16
Printed circuit - 12•11
Pulse-air system - 4E•2, 4E•6, 4E•7
Q
Quarter mouldings - 11•8
REF•28Index
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