Page 90 of 135
21B-30
SEQUENTIAL GEARBOX
Actuator module: Removal - Refitting
D4F, and JH1
21B
-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 93 of 135

21B-33
SEQUENTIAL GEARBOX
Gear selection sensor: Removal - Refitting
D4F, and JH1
21B
-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),
aCarry out the necessary operations using the Diag-
nostic tool (see Fault finding - Replacement of
components) (MR 413, 21B, Sequential gearbox).
Page 96 of 135

21B-36
SEQUENTIAL GEARBOX
Solenoid valve assembly pressure sensor: Removal - Refitting
D4F, and JH1
21B
REMOVAL
I - REMOVAL PREPARATION OPERATION
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).
aUnclip:
-the cooling hose from the petrol injection computer
mounting,
-the sequential gearbox computer wiring harness
from the petrol injection computer mounting,
-the petrol injection computer wiring harness from
the petrol injection computer mounting,-the battery wiring harness from the petrol injection
computer mounting.
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 mounting. Equipment required
Diagnostic tool
IMPORTANT
Before carrying out any operation on the sequential
system, discharge the accumulator using the diag-
nostic 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).
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Page 97 of 135

21B-37
SEQUENTIAL GEARBOX
Solenoid valve assembly pressure sensor: Removal - Refitting
D4F, and JH1
21B
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the connector (4) from the solenoid
valve unit pressure sensor.
aRemove the solenoid valve unit pressure sensor (5)
.
REFITTING
I - REFITTING PREPARATION OPERATION
aIt is essential to replace the solenoid valve unit pres-
sure sensor seal.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the solenoid valve unit pressure sensor.
aConnect the solenoid valve unit pressure sensor
connector.
III - FINAL OPERATION
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:
-the battery wiring harness to the petrol injection
computer mounting,
-the petrol injection computer wiring harness to the
petrol injection computer mounting,
-the sequential gearbox computer wiring harness to
the petrol injection computer mounting,
-the cooling hose to the petrol injection computer
mounting.
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.
aCarry out the necessary operations using the Diag-
nostic tool (see Fault finding - Replacement of
components) (MR 413, 21B, Sequential gearbox).
122317
Note:
Prepare for oil to flow out of the electro-hydraulic
unit.
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 107 of 135
21B-47
SEQUENTIAL GEARBOX
Sequential gearbox converter: Removal - Refitting
D4F, and JH1
21B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove the battery (see Battery: Removal - Refit-
ting) (MR 411, 80A, Battery).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUnclip (1) the sequential gearbox computer from its
mounting (2) .aDisconnect the sequential gearbox computer con-
nectors (3) by pressing the locks.
aRemove the sequential gearbox computer.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aConnect the sequential gearbox computer connec-
tors by pressing the locks.
aClip the sequential gearbox computer onto its
mounting.
II - FINAL OPERATION
aRefit the battery (see Battery: Removal - Refitting)
(MR 411, 80A, Battery).
aIf replacing the sequential gearbox computer, carry
out the necessary operations using the Diagnostic
tool (see Fault finding - Replacement of compo-
nents) (MR 413, 21B, Sequential gearbox). Equipment required
Diagnostic tool
122324
122325