Page 166 of 281
36A-15
STEERING ASSEMBLY
Steering column: Removal - Refitting
RIGHT-HAND DRIVE
36A
-the steering wheel lower cover,
-the steering wheel lower cover bolts,
-the dashboard lower cover.
aRefit the rev counter (see Rev counter: Removal -
Refitting) (MR 411, 83A, Instrument panel).
aRefit:
-the steering wheel (see 36A, Steering assembly,
Steering wheel: Removal - Refitting, page 36A-
23) ,
-the driver's front airbag (see Driver's frontal air-
bag: Removal - Refitting) (MR 411, 88C, Airbags
and pretensioners).
aConnect the battery (see Battery: Removal - Refit-
ting) (MR 411, 80A, Battery).
a
Unlock the airbag computer using the Diagnostic
tool (see Fault finding - Replacement of compo-
nents) (MR 413, 88C, Airbags and pretensioners). ENGINE REV COUNTER
IMPORTANT
To avoid a fault with or even triggering of pyro-
technic components (airbags or pretensioners),
check the airbag computer using the diagnostic
tool.
Page 193 of 281

37A-14
MECHANICAL COMPONENT CONTROLS
Brake servo: Removal - Refitting
JB1 or JH1 or JH3 or JR5, and LEFT-HAND DRIVE
37A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
aRemove the gearbox computer (see Sequential
gearbox converter: Removal - Refitting) (21B,
Sequential gearbox).
aRemove the battery tray (see Battery tray: Remov-
al - Refitting) (80A, Battery).
aRemove the petrol injection computer (see Petrol
injection computer: Removal - Refitting) (17B,
Petrol injection).
aRemove the diesel injection computer (see Diesel
injection computer: Removal - Refitting) (13B,
Diesel injection).
aRemove:
-the injection computer mounting bolts (1) ,
-the engine harness bracket nut (2) ,
-the injection computer mounting,
-the master cylinder (see 37A, Mechanical compo-
nent controls, Master cylinder: Removal - Refit-
ting, page 37A-1) . Tightening torquesm
brake servo nuts25 Nm
JH1
D4F or D7F or K4M
K9K
122323
122322
Page 196 of 281

37A-17
MECHANICAL COMPONENT CONTROLS
Brake servo: Removal - Refitting
JB1 or JH1 or JH3 or JR5, and LEFT-HAND DRIVE
37A
aCheck that the brake servo seal (5) is in place and
replace the seal if it is faulty.
aBefore refitting, check the dimension L = 153.3 mm.
aIf the dimension is not correct, replace the brake ser-
vo.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the brake servo,
-the brake servo nuts (3) .aTorque tighten the brake servo nuts (25 Nm).
aRefit the new connecting shaft (3) between the
brake pedal and the brake servo rod from right to left
and from top to bottom.
III - FINAL OPERATION.
aRefit:
-the non-return valve on the brake servo,
-the master cylinder (see 37A, Mechanical compo-
nent controls, Master cylinder: Removal - Refit-
ting, page 37A-1) ,
-the injection computer mounting,
-the engine wiring bracket.
aRefit the petrol injection computer (see Petrol injec-
tion computer: Removal - Refitting) (17B, Petrol
injection).
aRefit the diesel injection computer (see Diesel in-
jection computer: Removal - Refitting) (13B, Die-
sel injection).
109206
91101-1
109205
D4F or D7F or K4M
K9K
Page 198 of 281

37A-19
MECHANICAL COMPONENT CONTROLS
Brake servo: Removal - Refitting
RIGHT-HAND DRIVE
37A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the front right-hand wheel (see 35A, Wheels and
tyres, Wheel: Removal - Refitting, page 35A-1) ,
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment).aRemove:
-the fuel vapour recirculation solenoid valve pipes
(1) ,
-the fuel vapour recirculation solenoid valve con-
nector (2) ,
-the fuel vapour recirculation solenoid valve (3) ,
-the fuel vapour recirculation solenoid valve support
bolt (4) ,
-the fuel vapour recirculation solenoid valve support
(5) ,
-the brake master cylinder (see 37A, Mechanical
component controls, Master cylinder: Removal
- Refitting, page 37A-1) ,
-the brake servo non-return valve (see 37A, Me-
chanical component controls, Brake servo non-
return valve: Removal - Refitting, page 37A-11) .
aRemove the ignition coil (see Coils: Removal - Re-
fitting) (17A, Ignition). Special tooling required
Mot. 1672Low er engine support.
Equipment required
refrigerant charging station
Tightening torquesm
“brake - clutch pedal”
assembly nuts21 Nm
brake servo nuts21 Nm
123852
D4F or D7F
Page 199 of 281

37A-20
MECHANICAL COMPONENT CONTROLS
Brake servo: Removal - Refitting
RIGHT-HAND DRIVE
37A
aDrain the refrigerant circuit using a refrigerant
charging station (see Refrigerant circuit: Drain-
ing - Filling) (62A, Air conditioning).
aRemove the "dehydrator reservoir - expansion
valve" connecting pipe (see Dehydrator reservoir -
expansion valve connecting pipe: Removal - Re-
fitting) (62A, Air conditioning).
aRemove:
-the air filter (see Air filter: Removal - Refitting)
(12A, Fuel mixture),
-the bolts (6) of the air filter unit heat-resistant pro-
tector,
-the air filter unit heat-resistant protector (7) .
aRemove:
-the rear suspended engine mounting (see Lower
engine tie-bar: Removal - Refitting) (19D, En-
gine mounting),-the right-hand suspended engine mounting (see
Right-hand suspended engine mounting: Re-
moval - Refitting) (19D, Engine mounting).
aRemove the catalytic converter (see Catalytic con-
verter: Removal - Refitting) (19B, Exhaust).
aRemove the exhaust manifold (see Exhaust mani-
fold: Removal - Refitting) (12A, Fuel mixture). AIR CONDITIONING or CLIMATE CONTROL
D7F
123868
D4F
D4F, and 780
K4M
Page 201 of 281
37A-22
MECHANICAL COMPONENT CONTROLS
Brake servo: Removal - Refitting
RIGHT-HAND DRIVE
37A
aFully lower the engine using the (Mot. 1672).
aPivot the brake servo so that the servo pushrod (15)
is oriented upwards.
aRemove the brake servo by moving the engine for-
ward as far as possible.
aRemove the brake servo from underneath the vehi-
cle.
aRemove the brake servo.
REFITTING
I - REFITTING PREPARATION OPERATION
aCheck that the brake servo seal (16) is in place and
replace the seal if it is faulty.
aThe dual safety connecting shaft between the brake
servo pushrod and the brake pedal must be re-
placed every time it is removed.
aCheck the following dimension before refitting: (X1)
= 132.6 mm. D4F
123847
D4F
K4M
109206
91101
Page 202 of 281

37A-23
MECHANICAL COMPONENT CONTROLS
Brake servo: Removal - Refitting
RIGHT-HAND DRIVE
37A
II - REFITTING OPERATION FOR PART
CONCERNED
aPosition the brake servo by moving the engine for-
ward as far as possible and tilting the pushrod up-
wards.
aRefit the brake servo from underneath the vehicle.
aRefit the brake servo.
aPosition the “brake - clutch pedal” assembly on the
bulkhead.
aTorque tighten the “brake - clutch pedal” assem-
bly nuts (21 Nm).
aRefit:
-the new dual safety connecting shaft between the
brake servo pushrod and the brake pedal from right
to left and from top to bottom,
-the brake servo nuts.
aTorque tighten the brake servo nuts (21 Nm).
III - FINAL OPERATION.
aRefit:
-the clutch master cylinder support,
-the clutch master cylinder support bolts,
-the clutch master cylinder rod on the clutch pedal.
aRefit the exhaust manifold (see Exhaust manifold:
Removal - Refitting) (12A, Fuel mixture).aRefit the catalytic converter (see Catalytic convert-
er: Removal - Refitting) (19B, Exhaust).
aRefit:
-the right-hand suspended engine mounting (see
Right-hand suspended engine mounting: Re-
moval - Refitting) (19D, Engine mounting),
-the rear suspended engine mounting (see Lower
engine tie-bar: Removal - Refitting) (19D, En-
gine mounting).
aRefit:
-the air filter box heat-resistant protector,
-the air filter box heat-resistant protector bolts,
-the air filter (see Air filter: Removal - Refitting)
(12A, Fuel mixture).
aRefit the "dehydrator reservoir - expansion valve"
connection (see Dehydrator reservoir - expansion
valve connecting pipe: Removal - Refitting) (62A,
Air conditioning).
aFill the refrigerant circuit using a refrigerant charg-
ing station (see Refrigerant circuit: Draining -
Filling) (62A, Air conditioning).
aRefit the ignition coil (see Coils: Removal - Refit-
ting) (17A, Ignition). D4F
K4M
JH3 or JR5
K4M
D4F, and 780
D4F
D7F
AIR CONDITIONING or CLIMATE CONTROL
D4F or D7F
Page 204 of 281
37A-25
MECHANICAL COMPONENT CONTROLS
Vacuum pump: Removal - Refitting
K9K
37A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove:
-the engine cover,
-the air filter unit (see Air filter unit: Removal - Re-
fitting) (MR 411, 12A, Fuel mixture).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the brake servo pipe (1) from the vacu-
um pump.aRemove:
-the vacuum pump bolts (2) ,
-the vacuum pump (3) ,
-the vacuum pump seal.
REFITTING
I - REFITTING PREPARATIONS OPERATION
aClean the vacuum pump sealing surface.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the vacuum pump seal,
-the vacuum pump,
-the vacuum pump bolts.
aTorque tighten the vacuum pump bolts (25 Nm).
aConnect the brake servo pipe onto the vacuum
pump. Tightening torquesm
vacuum pump bolts25 Nm
121356
121355
WARNING
The seals m ust always be replaced.