1995 LAND ROVER DISCOVERY sensor

SFI
9
REPAIR INTAKE AIR TEMPERATURE SENSOR (IAT
SENSOR)
Service repair no - 18.30.09
Remove
1.Disconnect multiplug from IAT sensor.
2.Remove IAT sensor from air cleaner.
Refit
3.Clean sensor and mating face.
4.Fit IAT sensor. Tighten to
8 Nm.
5.Connect multiplug.THROTTLE POSITION SENSOR (TP SENSOR)
Service repair no - 19.22.49
Remove
1.Disconnect multiplug from TP sensor.
2.Remove 2 Torx screws securing TP sensor.
Collect clamp plate.
3.Remove TP sensor.
Refit
4.Clean mating faces.
5.Fit TP sensor. Ensure drive engages correctly
with throttle spindle.
6.Position clamp plate. Secure TP sensor with
Torx screws. Tighten to
2 Nm.
7.Connect multiplug.

19FUEL SYSTEM
10
REPAIR KNOCK SENSOR
Service repair no - 18.30.28 - Sensor - LH
Service repair no - 18.30.30 - Sensor - RH
CAUTION: Due to the sensitivity of the
sensors, do not apply tape or sealant to
sensor threads.
Remove
1.Raise vehicle on ramp.
2. RH Sensor only:Remove bolt securing starter
motor heatshield to RH engine mounting.
3.Release heatshield clip from starter solenoid.
4.Move heatshield aside for access to knock
sensor.
5. Both sensors:
Disconnect sensor multiplug.
6.Remove sensor.
Refit
7.Clean sensor and mating face.
8.Fit sensor. Tighten to
16 Nm.
9.Connect sensor multiplug.
10. RH Sensor only:Manoeuvre heatshield into
position.
11.Secure clip to solenoid.
12.Align bracket to mounting and fit bolt. Fit and
tighten bolt.
13.Lower ramp.
CAUTION: Failure to tighten sensor to
correct torque will result in malfunction or
sensor damage.

SFI
13
REPAIR PLENUM CHAMBER
Service repair no - 19.22.46
Remove
1.Disconnect battery negative lead.
2.Slacken clip securing intake hose to plenum
chamber and release hose.
3.Remove split pin from throttle cable clevis pin.
4.Remove clevis pin.
5.Release and remove kick down cable clevis pin.
6.Disconnect vacuum hose from cruise actuator.
7.Release throttle cable from abutment bracket.
8.Remove front locknut from kick down cable.9.Release cable from bracket.
10.Disconnect breather hose from plenum.
11.Release clip and disconnect multiplug from
throttle position sensor (TP Sensor).
12.Disconnect multiplug from idle air control (IAC).
13.Remove 6 bolts securing plenum chamber.
14.Release plenum chamber from ram pipe
housing.
15.Fit approved hose clamp to water jacket coolant
hoses.
16.Tighten clamp.
17.Position cloth to absorb coolant spillage.
Do not carry out further dismantling if
component is removed for access only.
18.Slacken clips securing coolant hoses to plenum.

19FUEL SYSTEM
14
REPAIR
19.Disconnect hoses and remove plenum chamber.
20.Place cloth over ram pipes to prevent ingress of
foreign matter.
21.Remove 4 bolts securing water jacket to plenum
chamber. Remove water jacket. Remove gasket
and discard.
22.Remove 3 bolts securing throttle linkage bracket
to plenum chamber. Remove bracket. Collect
return spring.
23.Remove 2 Torx bolts securing TP sensor.
Collect clamp plate. Remove TP sensor.
24.Remove 2 bolts securing IAC. Remove motor.
Remove gasket and discard.

SFI
15
REPAIR REV: 09/95 Refit
25.Ensure all mating surfaces are clean.
26.Fit TP sensor. Ensure drive engages correctly
with throttle spindle.
27.Position clamp plate. Secure TP sensor with
bolts. Tighten to
2 Nm.
28.Using a new gasket, fit IAC. Secure with bolts.
Tighten to
2.3 Nm.
29.Ensure mating faces of water jacket and plenum
chamber are clean.
30.Using a new gasket, fit water jacket. Secure with
bolts. Tighten to
13 Nm.
31.Position throttle linkage bracket, fit and engage
return spring.
32.Secure linkage bracket to plenum chamber with
bolts. Tighten to
8 Nm.
33.Remove cloth from ram housing.
34.Ensure mating faces of plenum chamber and
ram pipe housing are clean.
35.Position plenum chamber. Connect coolant
hoses to water jacket. Secure with clips.
36.Remove clamp from coolant pipes. Remove
cloth.
37.Apply a thin, uniform coating of Loctite 577
sealant to sealing face of plenum chamber.
38.Fit plenum chamber.
39.Fit plenum chamber bolts. Tighten to
24 Nm.
40.Connect multiplugs to TP sensor and IAC.
41.Connect breather hose to plenum chamber.
42.Fit kick down cable to abutment bracket and fit
locknut.
43.Connect throttle cable to abutment bracket.
44.Connect vacuum hose to actuator.
45.Align throttle cable to lever. Fit clevis pin. Secure
clevis pin with split pin.
46.Align kick down cable to lever.
47.Fit clevis pin and secure clip.
48.Connect intake hose and secure with clip.
49.Reconnect battery negative lead.
50.Top up cooling system.RELAY MODULE - PRE ADVANCED EVAPS
Service repair no - 18.30.71
Remove
1.Release module from bracket.
2.Disconnect 2 multiplugs.
3.Remove module.
Refit
4.Reverse removal procedure.

SFI
17
REPAIR ADD: 09/95 Refit
6.Fit a NEW filter to bracket.
NOTE: Ensure direction of flow arrow
stamped on canister is correct.
7.Position filter mounting bracket to chassis and
secure with nut and bolt.
8.Remove plugs from fuel hose ends.
9.Lubricate NEW 'O' rings with clean fuel and fit to
fuel hoses.
10.Connect fuel hoses to filter and tighten unions to
18 Nm.
CAUTION: Use two spanners when
loosening or tightening unions.
11.Remove stand(s) and lower vehicle.
12.Run the engine to check for any fuel leaks.FUEL PUMP AND GAUGE SENDER UNIT -
ADVANCED EVAPS
Service repair no - 19.45.03
A plastic fuel tank with a combined fuel pump and
gauge sender unit is fitted. The top flange of the pump
also houses a pressure sensor which is not removable
from the pump. The fuel pump is accessed through a
panel in the load space floor.
WARNING: Ensure that fuel handling
precautions given in 01 - Introduction are
strictly adhered to when carrying out
following instructions.
CAUTION: Before disconnecting any part
of fuel system, it is imperative that all dust,
dirt and debris is removed from around
components to prevent ingress of foreign matter
into fuel system.
Remove
1.Depressurise fuel system.
See fuel system -
depressurise - advanced evaps
2.Disconnect battery negative lead.
3.Check the amount of fuel in the tank. If the tank
is full, drain 2.4 US gallons (9 litres) minimum.
See fuel tank - draining - advanced evaps
4.Remove 6 screws securing tail door tread strip
and remove tread strip.
5.Remove RH luggage compartment side panel.
See CHASSIS AND BODY, Repair, rear
compartment lower trim panels

19FUEL SYSTEM
18
REPAIRADD: 09/95
6.Fold back loadspace carpet and sound
insulation to reveal access panel.
7.Remove 6 screws securing fuel pump access
panel.
8.Remove access panel.
9.Disconnect multiplugs from fuel pump and
pressure sensor.
10.Release vent hose from pressure sensor body.
11.Noting their fitted positions, disconnect both fuel
connections by pressing the black release
latches on each connector and pushing the
connector back down the line. Care must be
taken to catch any excess fuel which may spill
from the fuel lines once removed.

SFI
19
REPAIR ADD: 09/95
12.Using service tool LRT-19-009 loosen and
remove the metal locking ring.
13.Prise the pump from the tank opening using a
blunt instrument under the edge of the pump
flange. Once clear of the seal, tip the pump to
the right to allow fuel contained in the body of
the pump to drain into the tank.
CAUTION: Do not lift the pump from the
tank using the feed and return stubs.
14.Remove and discard seal.Refit
15.Fit NEW pump seal to tank opening.
16.Carefully lower pump into tank opening, pressing
firmly on the pump top flange to allow correct
positioning.
NOTE: Ensure location tag on pump top
flange is engaged correctly to tank
opening lip.
17.Fit locking ring and tighten to
35 Nmusing
service tool LRT-19-009.
18.Connect both fuel lines to the pump by pushing
the connectors down each line square to the
pump connection until the connectors positively
latch.
19.Connect vent hose to pressure sensor body.
20.Connect multiplugs to fuel pump and pressure
sensor.
21.Reconnect battery negative lead.
22.Refill tank with drained fuel.
23.Run the engine to check for any fuel leaks.
24.Fit access panel and secure with screws.
25.Reposition loadspace sound insulation and
carpet.
26.Fit RH luggage compartment side panel.
See
CHASSIS AND BODY, Repair, rear
compartment lower trim panels
27.Fit tail door tread strip and secure with screws.