33CLUTCH
2
REPAIR MASTER CYLINDER
Service repair no - 33.20.01/03
NOTE: All hose and pipe connections and
joints should be tightened to
15 Nm (11
lbf/ft).
Remove
1.Drain hydraulic fluid from system.
2.Disconnect fluid pipe at master cylinder. Plug
master cylinder fluid port and seal end of
hydraulic pipe to prevent ingress of dirt.
3.On RH drive vehicles, unclip air cleaner retaining
straps, disconnect bottom hose, and move
assembly aside.
4.From inside vehicle, remove fibre board closing
panel above pedals.
5.Remove 6 bolts securing pedal bracket to
bulkhead.
6.Remove screw securing speedometer cable
retaining bracket to top of pedal bracket.
7.Move pipework and cables aside and lift out
pedal bracket, complete with master cylinder,
turn through 90°to ensure pedal clears aperture
in bulkhead.8.Remove 6 screws and detach pedal box top
cover and gasket.
9.Remove nut and washer securing master
cylinder push rod to clutch pedal trunnion.
10.Remove 2 nuts and bolts and withdraw master
cylinder from pedal bracket.
Refit
11.Fit master cylinder to pedal bracket, engaging
cylinder push rod through pedal trunnion.
12.Secure push rod to pedal trunnion.
13.Apply sealant to mating surfaces and fit pedal
bracket to engine bulkhead.
14.Connect fluid pipe to master cylinder.
15.Bleed clutch hydraulic system
See Bleed
hydraulic system
.
16.Check and adjust clutch pedal and master
cylinder setting
See Adjustment, Clutch pedal
and master cylinder setting
.
17.Fit top cover and gasket to pedal bracket.
18.On RH drive vehicles, refit air cleaner.
CLUTCH
1
OVERHAUL MASTER CYLINDER - OVERHAUL
Service repair no - 33.20.07
Dismantle
1.Remove master cylinder from vehicle
See
Repair, Master cylinder
.
2.Remove circlip.
3.Withdraw push-rod and retaining washer.
4.Withdraw the piston assembly. If necessary,
apply a low air pressure to outlet port to expel
piston.
5.Prise locking prong of spring retainer clear of
piston shoulder and withdraw piston.
6.Withdraw piston seal.
7.Compress spring and position valve stem to
align with larger hole in spring retainer.
8.Withdraw spring and retainer.
9.Withdraw valve spacer and spring washer from
valve stem.
10.Remove valve seal.
Inspection
11.Clean all components in new hydraulic fluid and
allow to dry.
12.Examine cylinder bore and piston, ensure that
they are smooth to touch with no corrosion,
score marks or ridges. If there is any doubt, fit
new components.
13.The seals should be renewed with seals from
master cylinder overhaul kit.
Assemble
14.Smear seals with suitable rubber grease and
remaining internal items with new hydraulic fluid.
15.Fit valve seal, flat side first, on end of valve
stem.
16.Place bowed washer, domed side first, over
small end of valve stem, see J6281.
17.Fit spacer to valve, legs first.
33CLUTCH
2
OVERHAUL
18.Place coil spring over valve stem.
19.Insert retainer into spring.
20.Compress spring and engage valve stem in
keyhole slot in retainer.
21.Fit seal, large diameter last, to piston.
22.Insert piston into spring retainer and engage
locking prong.
23.Smear piston with suitable rubber grease and
insert assembly, valve end first, into cylinder.
24.Fit push-rod, retaining washer and circlip.
25.Fit clutch master cylinder to vehicle
See Repair,
Master cylinder
.SLAVE CYLINDER - OVERHAUL
Service repair no - 33.35.07
Dismantle
1.Remove slave cylinder
See Repair, Slave
cylinder
.
2.Withdraw dust cover.
3.Expel piston assembly, applying low pressure air
to fluid inlet.
4.Withdraw spring.
5.Remove seal from piston.
6.Remove bleed valve.
Inspection
7.Clean all components with new hydraulic fluid
fluid and allow to dry.
8.Examine cylinder bore and piston, ensure that
they are smooth to touch with no corrosion,
score marks or ridges. If there is any doubt, fit
new components.
9.Renew seal and dust cover from slave cylinder
overhaul kit.
57STEERING
4
REPAIR POWER STEERING BOX
Service repair no - 57.10.01
NOTE: A chassis undertray may be fitted
on some vehicle derivatives to conform to
legal requirements. When under chassis
remove and refit procedures are required, it may
be necessary to remove the undertray
See
CHASSIS AND BODY, Repair, Front undertray
.
General precautions
·Whenever any part of system, is removed or
disconnected, utmost cleanliness must be
observed.
·Disconnected ports and hoses must be
plugged to prevent ingress of dirt. If metal
sediment is found in system, establish cause,
rectify and flush system.
·Do not start engine until reservoir is full as
pump will be damaged.
·Metric pipe fittings are used with 'O' ring pipe
ends on fittings to steering box.
·Follow normal 'O' ring replacement procedure
whenever pipes are disconnected.
·Ensure compatible metric components when
fitting replacement pipes.
CAUTION: After refitting steering linkage
parts follow correct procedure to ensure
that road wheels, steering box and
steering wheel are correctly positioned relative to
each other when in straight ahead condition.
NOTE: When drag link is disconnected
from steering box, travel available at
steering wheel to each full lock is not
equal.
Remove
1.Site vehicle on level surface.
2.Apply park brake, chock rear wheels, raise
vehicle and locate axle stands. Alternatively,
raise vehicle on a hoist.
3.Remove road wheel.
4.Remove panhard rod
See FRONT
SUSPENSION, Repair, Panhard rod
.
5.Disconnect steering damper from drag link.
6.Disconnect drag link from drop arm, see J6305
on opposite page, using a suitable extractor.
7.Slacken, but do not remove nut securing tie bar
to mounting arm.8.Remove 2 bolts securing tie bar to steering box
and move aside.
9.Remove filler cap from power steering fluid
reservoir.
10.Position suitable container under steering box.
11.Disconnect feed and return pipes from steering
box and drain fluid.
12.Plug open pipes and steering box ports to
prevent ingress of dirt. Refit fluid reservoir filler
cap.
13.Centralise steering
See Centralise steering
box
.
14.Remove pinch bolt securing lower shaft
universal joint to power steering box.
15.Remove 4 bolts and 2 tab washers securing
steering box to chassis side member.
16.Withdraw steering box.
17.Clean all mounting faces, unions etc. prior to
refitting.
Refit
18.Position steering box to chassis side member,
ensuring locating peg is engaged. Fit tab
washers and tighten bolts to
81 Nm (60 lbf/ft).
19.Fit pinch bolt and nut securing universal joint to
power steering box spline. Tighten to
25 Nm (18
lbf/ft).
20.Secure tie bar to mounting arm and steering box.
Tighten fixings to
81 Nm (60 lbf/ft),starting with
tie bar to mounting nut, then loosen fixings by
one complete turn.
21.Check steering box and adjust if necessary
See
Adjustment, Power steering box - adjust
.
22.Refit drag link to drop arm and tighten nut to
40
Nm (30 lbf/ft).
Fit new split pin to retaining nut.
STEERING
5
OVERHAUL
Rack thrust pad and adjuster
43.Examine thrust pad for scores.
44.Examine adjuster for wear in pad seat.
45.Fit new sealing ring to rack adjuster.
Rack and piston
46.Examine for excessive wear on rack teeth.
47.Ensure thrust pad bearing surface is free from
scores and wear.
48.Ensure piston outer diameters are free from
burrs and damage.
49.Examine seal and ring groove for scores and
damage.
50.Fit new ring to piston. Warm nylon seal and fit to
piston.
51.Slide piston assembly into cylinder with rack
tube outwards.
Reassemble
NOTE: When fitting replacement oil seals
lubricate with recommended fluid and
ensure absolute cleanliness.
Sector shaft oil seal
52.Fit oil seal, lip side first.
53.Fit extrusion washer.
54.Fit dust seal, lipped side last.
55.Fit circlip.
Fitting valve and worm assembly
56.Refit original shims and inner bearing cup. Use
Petroleum Jelly to aid assembly.
NOTE: If original shims are not used, fit
shims of 0.76 mm thickness.
57.Fit inner cage and bearings assembly.
58.Fit valve and worm assembly.
59.Fit outer cage and bearings assembly.
60.Fit outer bearing cup.
BRAKES
1
OVERHAUL REV: 05/99
Key to master cylinder
1.Water ingress seal
2.Transfer housing
3.Vacuum seal
4.Guide ring
5.Retaining ring
6.'O' ring seal
7.Primary plunger assembly
8.'L' seal
9.Secondary plunger10.Washer
11.Recuperating seal (primary cup)
12.Seal retainer
13.Springs
14.Swirl tube
15.Master cylinder body
16.Reservoir seals
17.Reservoir
18.Low fluid level switch and cap
BRAKES
3
OVERHAUL
8.Remove guide ring from mouth of master
cylinder which supports primary plunger
assembly and place to one side, this component
is not part of master cylinder service kit and is to
be refitted on assembly of unit.
9.Pull primary plunger assembly out of master
cylinder.
NOTE: The primary plunger assembly
cannot be broken down any further and is
serviced as a complete unit. Discard
assembly.
10.The secondary plunger assembly will remain at
bottom of master cylinder bore, plunger can be
easily expelled by tapping assembly on a piece
of timber until plunger appears at cylinder mouth,
carefully pull plunger from master cylinder.
11.If swirl tube was not expelled at same time as
secondary plunger, repeat above operation to
expel it from bottom of master cylinder bore and
discard.12.Clean all parts with Girling cleaning fluid or
unused brake fluid and place cleaned parts on to
a clean sheet of paper. Inspect cylinder bore and
plungers for signs of corrosion, ridges and score
marks. Provided working surfaces are in perfect
condition, new seals from a Girling Service
repair kit may be used.
Renewing secondary plunger seals
A.Springs
B.Seal retainer
C.Recuperating seal (primary cup)
D.Washer
E.'L' seal
13.Remove components above from secondary
plunger and discard:
NOTE: A small screwdriver with end
rounded and polished is required to
remove 'L' seal. DO NOT damage
secondary plunger.
14.Coat new seals in unused brake fluid and firstly
fit 'L' seal to plunger.
15.Fit washer followed by recuperating seal. Fit seal
retainer and springs, ensure springs are
correctly seated.