2009 RENAULT TWINGO RS cover

36B-1
POWER ASSISTED STEERING
Power-assisted steering computer: Removal - Refitting
LEFT-HAND DRIVE
36B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aUnclip:
-the fuse access flap (1) ,
-the dashboard lower trim.aDisconnect the various connectors.
aRemove:
-the steering wheel lower cover bolt,
-the steering wheel lower cover (2) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUnclip the locking clips of the connectors of the pow-
er-assisted steering computer.
aDisconnect the connectors (3) of the power-assisted
steering computer. Equipment required
Diagnostic tool
119506
119711
119858

36B-2
POWER ASSISTED STEERING
Power-assisted steering computer: Removal - Refitting
LEFT-HAND DRIVE
36B
aRemove:
-the power-assisted steering computer bolts (4) ,
-the power-assisted steering computer,
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the power-assisted steering computer.
aConnect the power-assisted steering computer con-
nectors.
aFasten the locking clips of the connectors of the
power-assisted steering computer.
II - FINAL OPERATION.
aRefit the steering wheel lower cover.
aConnect the various connectors.
aClip:
-the dashboard lower trim,
-the fuse access flap.
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
aWhen replacing the electric power-assisted steering
computer, perform the necessary operations using
the Diagnostic tool (see Fault finding - Replace-
ment of components) (36B, Power-assisted steer-
ing).
119882

37A-7
MECHANICAL COMPONENT CONTROLS
Master cylinder: Removal - Refitting
RIGHT-HAND DRIVE
37A
-the bulkhead heat-resistant protector (8) .
aRemove:
-the timing cover bolt (9) ,
-the timing cover (10) .aUnclip:
-the non-return valve from the support at (11) ,
-the ABS wiring from the support at (12) .
aRemove:
-the nut (13) from the non-return valve and ABS wir-
ing support,
-the non-return valve and ABS wiring support (14) . K4M
131777
123851

37A-10
MECHANICAL COMPONENT CONTROLS
Master cylinder: Removal - Refitting
RIGHT-HAND DRIVE
37A
aRemove the blanking plugs from the brake fluid res-
ervoir and the clutch master cylinder supply pipe.
aRefit the clutch master cylinder supply pipe.
III - FINAL OPERATION.
aRefit:
-the timing cover,
-the bulkhead heat-resistant protectors.
aRefit the bulkhead heat-resistant protector.
aClip onto the support:
-the ABS wiring,
-the non-return valve.
aRefit the support of the non-return valve and the
ABS wiring.
aRefit:
-the fuel vapour recirculation solenoid valve sup-
port,
-the fuel vapour recirculation solenoid valve,
-the petrol vapour recirculation solenoid valve con-
nector,
-the fuel vapour recirculation solenoid valve pipes.
aRefit:
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment).aFill up the secondary brake fluid reservoir.
aBleed the brake circuit (see 30A, General informa-
tion, Braking circuit: Bleed, page 30A-4) . JH3 or JR5
K4M
D4F, and 780
D4F or D7F or K4M

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.

37A-26
MECHANICAL COMPONENT CONTROLS
Vacuum pump: Removal - Refitting
K9K
37A
III - FINAL OPERATION.
aRefit:
-the air filter unit (see Air filter unit: Removal - Re-
fitting) (MR 411, 12A, Fuel mixture),
-the engine cover.

37A-42
MECHANICAL COMPONENT CONTROLS
Brake pedal switch: Removal - Refitting
37A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove:
-the bolts (1) of the steering wheel cover,
-the steering wheel cover (2) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the brake light switch connector (3) .
aTurn the brake light switch (4) a quarter of a turn
anti-clockwise.
aRemove the switch from the pedal assembly. Equipment required
set of feeler gauges
Diagnostic tool
WARNING
The brake pedal position switch must be replaced if
the notched segment is pulled completely out of the
switch.
120279
121350

37A-45
MECHANICAL COMPONENT CONTROLS
Brake pedal switch: Removal - Refitting
37A
III - CHECKING THE ELECTRICAL OPERATION OF
THE PART
aCheck that the brake light switch is operating cor-
rectly:
-depress the brake pedal to switch on the lights,
-release the brake pedal to switch off the lights.
aConnect the Diagnostic tool
aDepress the brake pedal by 10 mm.
aCheck that the first signal of the switch has not
switched (the first signal does not illuminate the
bulbs).
IV - FINAL OPERATION
aRefit:
-the steering wheel cover,
-the bolts on the steering wheel cover.