1988 CITROEN CX brake

RECOMMENDED PRODUCTS
IV - GREASES AND LUBRICANTS
PRODUCT
USE AND SPECIAL FEATURES AND SYMBOL MARK SUPPLIER
R.P. No.
High adhesive grease: 95 615 129 R.P.D.
- Intended mainly for drive-shaft lubrication.
GRAISSE 1495 Gl MOLY DAL
- Can be used for mechanisms working under difficult
conditions (high pressures, splashed water). MOLYKOTE
LONGTERM 2 DOW-CORNING
Grease resisting high temperatures:
GRIPCOTT AF G2
- For exhaust manifold ball-joints. MOLYDAL
Lubricant for parts working under difficult
conditions:
HI LUB-HTC G3 FRAM ET
- Splashed water, high pressure and temperature.
Grease resisting high temperatures:
- To lubricate the threaded spark plugs fitted to the NO-BIND G4 CURTY *
cylinder head.
Multifunctional lubricant:
M.O.
G5
- Molybdenum disulfide-base product. TEROSON
Multifunctional grease:
- For routine works. TOTAL MULTIS G6 TOTAL C.F.R.
Special grease: PROBA. 270
ALTEMP G7 R.P.D.
- Designed for anti-roll bar bearings.
79.01973.067
Animal grease:
- Tallow. GB
Special grease: ESSO
- To be used for fitting the road wheel sensors of the NORVA G9 R.P.D.
anti-locking brake system. 275
8531

REMOVING AND REFITTING
THE ENGINE/GEARBOX ASSEMBLY
- 2.5 LITRE CX WITH PETROL INJECTION -
REMOVAL
Support the car on stands horizontally, Fig. I using
the three stands 6602-T, in order to facilitate the
removal of the power unit assembly and to reposition
it more easily on the stands.
Depressurize the hydraulic system.
Drain the brake accumulator.
Set the height control to the “low” position
Remove:
- the battery,
- the bonnet,
- the front wheel,
- the spare wheel
- the protection plate located under the spare wheel,
Drain the cooling circuit via the drain hose of the
radiator.
Take off the crankcase drain plug (I 1, Fig. II.
Remove the drive-shafts:
(Refer to Op @ MA.372. l/l)
Uncouple: hoses (6) and (71, Fig. IV (protecting the
alternator from water entry at “a”).
Disconnect the engine cooling fan thermal switch.
Remove the engine heat sink.
Extract, Fig. Ill:
- the screws that secure horn (2) support, passing
through the wheelarch,
- the wheelarch lining. Disconnect:
- wiring harnesses (3) from the battery positive lead,
Fig. Ill,
- the ground cable from the gearbox,
- the wiring harness from the reversing lamp switch.
Remove, Fig. Ill:
- the pressure regulator accumulator,
- pipe (4) between pressure regulator and brake accu-
mulator.
Vehicle with air conditioning option:
- the belt protective cover,
- the air conditioning compressor drive belt
Uncouple:
- the air intake casing position accelerator cable,
- the high pressure pump rubber suction pipe,
- the high pressure pump outlet pipe (5) and its attach-
ment, Fig. Ill.
Disconnect: Fig. V
- the throttle spindle switch (IO),
- knock sensor (14).
Uncouple: Fig. V
- pressure sensor pipe(91,
- supplementary air pipe (I I),
- cylinderhead cover pipe (I 21,
- breather pipe (8).
Remove suction pipe (I 3) situated between the flow-
meter and the turbocharger or between the flowme-
ter and the inlet manifold.

le up the exhaust system. econnect, Fig. IV and V:
- connectors 11 I),
turaily aspirated engines w/th EN, fitted with
seals:
Tighten the flange to 1.6 mda
On the turbocharged engines with EH, fitted with
NEW nuts and seals:
Refit: Fig. I and II, - sensor (12) (with biue /dent mark),
- sensor (13) (with no ident mark),
- HT coil 191 cyls 1 and 4 (with yellow /dent mark),
HT coil i IO) cyls 2 and 3 (w/t/r fro markl,
- the suppressors,
- the reversing larnp switch wrring harness,
- the throttle spindle switch (141,
- knock sensor (I 8).
- flexible pipe (2) to the pressure release valve outlet,
- exhaust pipe (4) to the turbo, screws (31, distance
pieces (51,
- screw (6) and adjusting shims.
There should be a 5 mm clearance at least between
the exhaust pipe and the engine crankcase. Recouple, Fig. V and VI:
- the water hoses,
- air circurt pipes (151, (161, (17). (20) and (211,
- petrol circuit pipes (I 9),
- gear shift link rods,
- the accelerator cable.
Tighten, Fig. I and II:
- turbocharger nuts fin the correct sequence), Fig. II,
- flexible hose (2) screws (3) and nuts (I 1 to
2.5 mdaN,
- screw (6) to 5 mdaN. Fit:
- the driveshafts,
(See Op. @ MA 372-l/11
- the radiator,
- the bonnet,
- the battery,
Refit: Fig. Ill
- the pressure regulator and compressor holder (air
conditioning option) together with its shims; tigh-
ten nuts (7) to 5 mdaN. - the protection plate located under the spare
wheel.
Check the oil levels. Top up if necessary.
Vehicles with air-conditioning: Fill up the cooling circuit (wrth the heater open) and
carry out the bleeding operation.
- the compressor belt and protection cover,
- the pressure regulator accumulator, fitted with a
NEW seal,
- the HP pump outlet pope, fitted with a NEW sea/
and its fastenings (8),
- the pipe situated between the pressure regulator
and the brake accumulator, fitted with NEWseals,
- the HP pump rubber suction pipe,
- the horn. (As per Op @ MA 230.0/l/.
Bleed the front brakes.
(Refer to Op. MA 453.0/l/.
Check the gear change.
Lower the vehicle to the ground.

2 IVIA
422.1/l OVING AND REFITTING A REAR AXLE ARM
REMOVAL
Raise the rear of the vehicle and support it on stands,
wheels free.
Remove the road wheel.
Release the pressure in the hydraulic systems.
Remove protection plate (I 1, Fig. I.
Vehicle having the A.B.S. fitted, Fig. II :
Withdraw sensor (3) and push aside the metal panel
and sensor, liberating the electrical harness from the
retaining clips.
Remove suspension cylinder (5), Fig. Ill.
(As explained in @ MA 433. l/2/.
Take off fixing lug (41, Fig. Ill.
Uncouple:
- brake hose (21, Fig. I,
- the anti-roll bar, Fig. Ill. In order to do so, extract
screws (6) and (7) and keep adjustment shims and
washers c(a)) and ccbal.
Take off nut (8) 24 mm A/F, Fig. IV.
Free the shaft and remove the arm. REFITTING
Position the axle arm (the thinner thrust cup (9) :
9.34 mm thick at CCCH facing the interior of the
vehicle, -+ l/87), Fig. V).
l/87 -+ the thrust cups are identical and the adjust-
ment is effected by means of shims facing the exte-
rior of the vehicle.
Return the shaft to its original location.
Place nut (8), new NYSLTOP nul, Fig. IV.
Tighten to 13 mdaN.
Recouple the anti-roll bar, Fig. Ill. Add the screws (6)
and (7) together with the adjustment shims and
washers found at c(a)) and c(b)) on dismantling.
Tighten screws (7) to 6 mdaN and (6) to 10 mdaN.
Reconnect brake hose (2) Fig. I, fitted with a NEW
sleeve seal. Tighten it.
Refit fixing lug (41, Fig. Ill.
Locate suspension cylinder (51, Fig. IV.
(See @ MA 433. l/2/.
ABS vehicle, Fig. II :
Refit sensor (31, (grease the outside of the sensor with
MOBIL TEMP No. I).
Tighten the screw to 1 mdaN.
Reassemble:
- protection plate (I 1, Fig. I,
- the road wheel.
Lower the vehicle to the ground.

REMOVING AND REFITTING
REMOVAL
Support the front of the vehicle on stands 6602-T.
Release the pressure in the hydraulic system.
Set the height control lever to the (( low )) position.
Withdraw:
- the road wheel,
- the brake pad wear warning lamp harness holding
clips,
- the lower ball-joint nut.
Uncouple the lower ball-joint from the arm using puller
3312-T or 6323-T, Fig. I
Take off:
- the plastic trim cover,
- nut (I 1, Fig. II,
- spindle (2) with the help of inertia extractor
1671-T and adaptor 6306-T, Fig. Ill.
Mark adjustment shims (3) and (4) location, Fig. IV.
Remove the wheel arm. REFITTING
Note: the RH and LH arms are not alike.
If the wheel arm has been removed following an
impact, it will be necessary to readjust the caster
angle.
Place the expander of tool 6312-T in the wheel arm,
with screw A pointing rearwards, Fig V.
Bring tubes (5) and (6) into contact, Fig. V. In order
to do so:
Fig. VI :
- Grip the arm in a vice,
- Tighten the expandable element by means of
spanner B from tool 6312-T.

REMOVING AND REFITTING
A LOWER WHEEL ARM
Refit
Insert
Loosen
Drift out
Tighten
Reconnect
Tighten
Reinstall Fig. I
the arm together with its adjustment shims
(7 1 and (2) placed in the position they were
found on dismanting.
spindle (31, Fig. II
expander A with tool 6312-T spanner B.
the assembly via shaft (3)
the new NYLSTOP nut (4) to 14.5 mdaN,
Fig Ill.
the lower ball-joint to the arm hvipe the
ball-joint fixing but do not use solvent).
the new NYLSTOP nut to 6 mdaN.
- the brake pad wear warning lamp harness
securing clips,
- the road wheel.
Lower the vehicle to the ground
Jfc 8531-8532

REMOVlNG AND REFlTTlNG A SWIVEL
REMOVAL
Support the front of the vehicle on stands.
Depressurize the hydraulic systems.
Remove:
- the road wheel,
- the pin,
- the nut lock,
- the nut (35 mm A/F)
Lock the wheel hub with tool. 6316-T, Fig. I.
Fig. II :
- nut (1) and its washer ; disengage the bail-joint from
the swivel,
- lock nut (6),
- nut (5).
Uncouple, Fig. II and Ill :
- cable (2) from the control lever,
- spring (31,
- cup (41,
- connection (7).
Take off, Fig. Ill, nut (8) together with its washer.
Liberate flexible pipe (9) from its fixing bracket,
Fig. Ill. ABS vehicles, Fig. IV
Extract the screw (I 0) securing the sensor.
Disconnect the brake pad wear warning lamp
harness.
Withdraw:
- the brake disc cooling plate,
- the harness screw and fixing bracket; release the
harness.
Remove the lower ball-joint nut.
Uncouple the swivel lower ball-joint using extractor
3312 T or 6323 T, Fig. V,
(avoid damage to the ball-joint protection rubber).
Pull out the drive-shaft.
Take off nut (I I) from the upper ball-joint, Fig. VI.
Uncouple the upper ball-joint.
Remove the swivel.

REMOVING AND REFITTING A SWIVEL
REFITTING Replace, Fig. IV:
Wipe the ball-joint fixings and location, do not use - flexible pipe (I I) into its fixing bracket,
solvent. - washer (I 0).
Recouple the upper ball-joint with the swivel. Tighten nut (9) to 2.2 mdaN.
Refit, Fig. I: Recouple:
- washer (I),
- Fig. IV, connection (I 2) provided with a new sea/.
- nut (2).
- Fig. V, the steering ball-joint.
Tighten to 7 mdaN (New NYLSTOP nut).
Refit:
Introduce the drive-shaft end into the wheel hub - washer (I 31,
(lubricate the hub seal lips). - nut (14) (New NYLSTOP one).
Couple up the lower ball-joint. Tighten to 6 mdaN.
Tighten to 6 mdaN the new NYLSTOP nut. Reconnect:
-cup (171,
Reconnect the brake pad wear warning lamp harness. - spring (I 61,
-cable (15).
Refit, Fig. II and Ill:
Adjust the handbrake (as indicated in @ 454.011).
- electrical harness fixing bracket (4).
- earth lead (5).
- screw (3). Put the drive-shaft nut into place.
- metal panel (6). (Faces and threads lubricated).
Lock the hub, utilizing tool 6310-T Fig. VI.
ABS vehicles, Fig. Ill:
Tighten to 37.5 mdaN.
Reinstall sensor (7) (spread MOB/L TEMP No. 1
grease over the outside of the sensor.
Bleed the front brakes (see @ 453.0/l/.
Tighten screw (8) to 1 mdaN.
Fit the wheel.
Lower the vehicle to the ground.
8531-8532