Page 54 of 135
21A-39
MANUAL GEARBOX
Differential output seal: Removal - Refitting
JB1 or JH1 or JH3 or JR5
21A
aTap the base of the differential output seal using a
roll pin punch and a small hammer to detach it and
rotate it in its housing.
aRemove the differential output seal using a large
screwdriver, taking care not to damage the differen-
tial housing.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aThe differential output seal (3) is refitted using the
(Bvi. 945) consisting of:
-a seal protector (1) ,
-a mandrel (2) for fitting the differential output seal
(3) .
aLubricate the external surface of the seal protector.
aFit:
-the seal protector (1) onto the sunwheel,
-the differential output seal (3) onto the seal protec-
tor (1) .
aTap the mandrel (2) with a copper hammer to fully
seat the differential output seal (3) . JH3 or JR5
109147
JB1 or JH1
18150
86122
Page 55 of 135

21A-40
MANUAL GEARBOX
Differential output seal: Removal - Refitting
JB1 or JH1 or JH3 or JR5
21A
aThe differential output seal is refitted using the (Bvi.
1666) (4) consisting of:
-a mandrel (5) for the right-hand side,
-a mandrel (6) for the left-hand side.
aLubricate the internal surface of the differential out-
put seal.II - FINAL OPERATION
aRefit:
-the front right-hand driveshaft (see 29A, Drive-
shafts, Front right-hand driveshaft: Removal -
Refitting, page 29A-8) ,
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres).
aRefit:
-the front wheel driveshaft on the side concerned
(see 29A, Driveshafts, Front left-hand drive-
shaft: Removal - Refitting, page 29A-2) or (see
29A, Driveshafts, Front right-hand driveshaft:
Removal - Refitting, page 29A-8) ,
-the wheel on the side concerned (see Wheel: Re-
moval - Refitting) (35A, Wheels and tyres).
aFill the gearbox (see 21A, Manual gearbox, Manu-
al gearbox oils: Draining - Filling, page 21A-2) . JH3 or JR5
103191
109407
JB1 or JH1
JH3 or JR5
Page 59 of 135

21A-44
MANUAL GEARBOX
Reverse gear switch: Removal - Refitting
JB1 or JH1 or JH3 or JR5
21A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the front left-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the front left-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection).
aRemove the engine undertray.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the connector (1) from the reverse gear
switch.aRemove the reverse gear switch using the tool (Bvi.
1934) (2) .
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aApply some SILICONE ADHESIVE SEALANT (see
Vehicle: Parts and consumables for the repair)
(04B, Consumables - Products) to the threading of
the reverse gear switch.
aRefit the reverse gear switch using the (Bvi. 1934).
aTorque tighten the reverse gear switch (23 N.m).
aConnect the reverse gear switch connector.
II - FINAL OPERATION
aFill the gearbox (see 21A, Manual gearbox, Manu-
al gearbox oils: Draining - Filling, page 21A-2) .
aRefit the engine undertray.
aRefit:
-the front left-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection), Special tooling required
Bvi. 1934Socket for removing/refitting
reverse gear switch
Tightening torquesm
reverse gear switch23 N.m
132082
144801
Note:
Seal the housing of the reverse gear switch while
replacing the par t.
Page 60 of 135
21A-45
MANUAL GEARBOX
Reverse gear switch: Removal - Refitting
JB1 or JH1 or JH3 or JR5
21A
-the front left-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres).
Page 69 of 135

21B-9
SEQUENTIAL GEARBOX
Pump assembly reservoir: Removal - Refitting
D4F, and JH1
21B
The electro-hydraulic unit comprises the pump assem-
bly and the actuator module.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aRemove:
-the battery (see Battery: Removal - Refitting)
(MR 411, 80A, Battery),
-the sequential gearbox computer (see 21B, Se-
quential gearbox, Sequential gearbox convert-
er: Removal - Refitting, page 21B-47) ,
-the battery tray (see Battery tray: Removal - Re-
fitting) (MR 411, 80A, Battery),
-the petrol injection computer (see Petrol injection
computer: Removal - Refitting) (MR 411, 17B,
Petrol injection).
-the rear suspended engine mounting (see Lower
engine tie-bar: Removal - Refitting) (MR 411,
19D, Engine mounting),
-the left-hand front wheel (see Wheel: Removal -
Refitting) (MR 411, 35A, Wheels and tyres),-the front left-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (MR 412,
55A, Exterior protection),
-the electro-hydraulic unit (see 21B, Sequential
gearbox, Electro-hydraulic unit: Removal - Re-
fitting, page 21B-11) ,
aPosition the (Ms. 583)
aSeparate
-the pump assembly from the electro-hydraulic unit
(see 21B, Sequential gearbox, Pump assembly:
Removal - Refitting, page 21B-18) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the (Ms. 583) (1) from the low pressure
hose (2) .
aDrain the pump assembly reservoir.
aRemove:
-the bolts (3) from the pump assembly reservoir,
-the electric pump unit tank.
aIn the event of replacement, remove:
-the clip (4) from the low pressure hose (2) ,
-the low pressure hose (2) . Special tooling required
Ms. 583Pipe clamps .
Equipment required
Diagnostic tool
IMPORTANT
Consult the safety and cleanliness advice and oper-
ation recommendations before carrying out any
repair (see 21B, Sequential gearbox, Sequential
gearbox: Precautions for the repair, page 21B-1)
.
Note:
To discharge the accumulator and deactivate the
pump assembly pump, (see Fault finding -
Replacement of components) (MR 413, 21B,
Sequential gearbox).
122173
Page 70 of 135

21B-10
SEQUENTIAL GEARBOX
Pump assembly reservoir: Removal - Refitting
D4F, and JH1
21B
REFITTING
I - REFITTING PREPARATION OPERATION
aIn the event of replacement, refit:
-the low pressure hose,
-the low pressure hose clip.
aIt is essential to replace the pump assembly reser-
voir seal on the pump inlet.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the pump assembly reservoir,
-the pump assembly reservoir bolts.
III - FINAL OPERATION
aAssemble:
-the electro-hydraulic unit (see 21B, Sequential
gearbox, Electro-hydraulic unit: Removal - Re-
fitting, page 21B-11) ,
aRemove
-the pump assembly on the electro-hydraulic unit
(see 21B, Sequential gearbox, Pump assembly:
Removal - Refitting, page 21B-18) ,
-the front left-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (MR 412,
55A, Exterior protection),
-the left-hand front wheel (see Wheel: Removal -
Refitting) (MR 411, 35A, Wheels and tyres),
-the rear suspended engine mounting (see Lower
engine tie-bar: Removal - Refitting) (MR 411,
19D, Engine mounting),
-the petrol injection computer (see Petrol injection
computer: Removal - Refitting) (MR 411, 17B,
Petrol injection),
-the battery tray (see Battery tray: Removal - Re-
fitting) (MR 411, 80A, Battery),
-the sequential gearbox computer (see 21B, Se-
quential gearbox, Sequential gearbox convert-
er: Removal - Refitting, page 21B-47) ,
-the battery (see Battery: Removal - Refitting)
(MR 411, 80A, Battery).aFill the electric pump assembly reservoir with oil
(see Sequential gearbox oil: Specifications)
(Technical Note 6012, 04A, Lubricants) to between
32 and 38 mm above the MIN mark.
aCarry out the necessary operations using the Diag-
nostic tool (see Fault finding - Replacement of
components) (MR 413, 21B, Sequential gearbox). WARNING
After the accumulator has been fully filled (15
seconds after the ignition has been switched on):
the oil level is at the MINIMUM mark.
Page 72 of 135
21B-12
SEQUENTIAL GEARBOX
Electro-hydraulic unit: Removal - Refitting
D4F, and JH1
21B
aRemove:
-the petrol injection computer mounting nut (1) ,
-the engine wiring harness nut (2) from the petrol in-
jection computer mounting,
-the petrol injection computer mounting bolts (3) .
aRemove the engine wiring harness from the petrol
injection computer mounting.
aRemove:
-the petrol injection computer support,-the rear suspended engine mounting (see Lower
engine tie-bar: Removal - Refitting) (MR 411,
19D, Engine mounting),
-the left-hand front wheel (see Wheel: Removal -
Refitting) (MR 411, 35A, Wheels and tyres),
-the front left-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (MR 412,
55A, Exterior protection).
aSupport the sequential gearbox on the (Mot. 1390).
122323
122322
17765
Page 77 of 135

21B-17
SEQUENTIAL GEARBOX
Electro-hydraulic unit: Removal - Refitting
D4F, and JH1
21B
aRefit:
-the front left-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (MR 412,
55A, Exterior protection),
-the left-hand front wheel (see Wheel: Removal -
Refitting) (MR 411, 35A, Wheels and tyres),
-the rear suspended engine mounting (see Lower
engine tie-bar: Removal - Refitting) (MR 411,
19D, Engine mounting).
Refit.
aFit:
-the petrol injection computer support,
-the engine wiring harness on the petrol injection
computer mounting.
aRefit:
-the petrol injection computer mounting bolts,
-the engine wiring harness nut on the petrol injec-
tion computer mounting,
-the petrol injection computer mounting nut.
aClip onto the petrol injection computer mounting:
-the battery wiring harness,
-the petrol injection computer wiring harness,
-the sequential gearbox computer wiring harness,
-the cooling hose.
aRefit:
-the petrol injection computer (see Petrol injection
computer: Removal - Refitting) (MR 411, 17B,
Petrol injection),
-the battery tray (see Battery tray: Removal - Re-
fitting) (MR 411, 80A, Battery),
-the sequential gearbox computer (see 21B, Se-
quential gearbox, Sequential gearbox convert-
er: Removal - Refitting, page 21B-47) ,
-the battery (see Battery: Removal - Refitting)
(MR 411, 80A, Battery).
aFill the electric pump assembly reservoir with oil
(see Sequential gearbox oil: Specifications)
(Technical Note 6012, 04A, Lubricants) to between
32 and 38 mm above the MIN mark.aIf replacing the electro-hydraulic unit, carry out the
necessary operations using the Diagnostic tool
(see Fault finding - Replacement of components)
(MR 413, 21B, Sequential gearbox).
WARNING
After the accumulator has been fully filled (15
seconds after the ignition has been switched on):
the oil level is at the MINIMUM mark.