2009 RENAULT TWINGO Chasiss Workshop Manual

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

36B-3
POWER ASSISTED STEERING
Power-assisted steering computer: Removal - Refitting
RIGHT-HAND DRIVE
36B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aUnclip the dashboard lower trim
aDisconnect the various connectors.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the bolt (1) of the support of the power-as-
sisted steering computer.
aSeparate the "support - computer" assembly (2) .
aUnclip the locking clips of the connectors of the pow-
er-assisted steering computer.
aDisconnect the connectors (3) of the power-assisted
steering computer.
aRemove the "support - computer" assembly. Equipment required
Diagnostic tool
127585
127588
127589

36B-4
POWER ASSISTED STEERING
Power-assisted steering computer: Removal - Refitting
RIGHT-HAND DRIVE
36B
For replacing the computer:
a
aRemove:
-the power-assisted steering computer bolts (4) ,
-the power-assisted steering computer from its sup-
port.
REFITTING
I - REFITTING PREPARATION OPERATION
For replacing the computer:
aRefit the computer on its support.
II - REFITTING OPERATION FOR PART
CONCERNED
aConnect the power-assisted steering computer con-
nectors.
aFasten the locking clips of the connectors of the
power-assisted steering computer.
aRefit the "support - computer" assembly.III - FINAL OPERATION.
aConnect the various connectors.
aClip on the dashboard lower trim.
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
aWhen replacing the power-assisted steering com-
puter, perform the necessary operations using the
Diagnostic tool (see Fault finding - Replacement
of components) (36B, Power-assisted steering). Note:
The support of the power-assisted steering com-
puter is not sold as a spare part. Always reuse
the support with the new computer.
127584

37A-1
MECHANICAL COMPONENT CONTROLS
Master cylinder: Removal - Refitting
JB1 or JH1 or JH3 or JR5
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 - Refitting)
(80A, Battery)
-the battery tray (see Battery tray: Removal - Re-
fitting) (80A, Battery).
aRemove:
-the injection computer (see Petrol injection com-
puter: Removal - Refitting) (17B, Petrol injection),
-the injection computer support.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the fuel filler cap from the brake fluid reser-
voir (1) .
aDisconnect the brake fluid level sensor connector (2)
.
aDrain the brake fluid reservoir with a syringe. Tightening torquesm
brake fluid reservoir bolt4 Nm
master cylinder nuts on
the brake servo25 Nm
rigid brake pipe unions
on the master cylinder15 Nm
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
K4M
121344

37A-2
MECHANICAL COMPONENT CONTROLS
Master cylinder: Removal - Refitting
JB1 or JH1 or JH3 or JR5
37A
aRemove the clutch master cylinder supply pipe (3) .
aFit blanking plugs to the brake fluid reservoir and the
clutch master cylinder supply pipe.
aPlace a container under the master cylinder to col-
lect the brake fluid.
aRemove:
-the rigid brake pipe unions (4) on the master cylin-
der,
-the master cylinder nuts (5) on the brake servo,
-the master cylinder (6) and the brake fluid reser-
voir. JH3 or JR5
121343
121347
121346

37A-3
MECHANICAL COMPONENT CONTROLS
Master cylinder: Removal - Refitting
JB1 or JH1 or JH3 or JR5
37A
aUsing the workbench, remove:
-the brake fluid reservoir bolt (7) ,
-the brake fluid reservoir.
aFit blanking plugs on the master cylinder.
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace the master cylinder seals (8) .
aRemove the blanking plugs from the master cylin-
der.
aCarefully pre-fill the master cylinder with the recom-
mended brake fluid (see 30A, General information,
Brake fluid: Specifications, page 30A-18) .II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the brake fluid reservoir,
-the master cylinder making sure that the brake ser-
vo shaft is correctly aligned with the master cylin-
der shaft,
-the rigid brake pipe unions on the master cylinder.
aTighten to torque:
-the brake fluid reservoir bolt (4 Nm),
-the master cylinder nuts on the brake servo (25
Nm),
-the rigid brake pipe unions on the master cylin-
der (15 Nm).
aRemove the blanking plugs from the brake fluid res-
ervoir supply pipe and the clutch master cylinder.
aRefit the clutch master cylinder supply pipe.
aConnect the brake fluid level sensor connector.
III - FINAL OPERATION.
aRefit:
-the injection computer mounting,
-the injection computer (see Petrol injection com-
puter: Removal - Refitting) (17B, Petrol injection).
aFill up the brake fluid reservoir.
aBleed the braking circuit (see 30A, General infor-
mation, Braking circuit: Bleed, page 30A-4) .
aBleed the clutch circuit (see 37A, Mechanical com-
ponent controls, Clutch circuit: Bleed, page 37A-
54) .
aRefit:
-the filler cap of the brake fluid reservoir.
121345
112622
JH3 or JR5
K4M
JH3 or JR5

37A-4
MECHANICAL COMPONENT CONTROLS
Master cylinder: Removal - Refitting
JB1 or JH1 or JH3 or JR5
37A
-the battery tray (see Battery tray: Removal - Re-
fitting) (80A, Battery),
-the battery (see Battery: Removal - Refitting)
(80A, Battery).

37A-5
MECHANICAL COMPONENT CONTROLS
Master cylinder: 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 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
nut (4) ,
-the fuel vapour recirculation solenoid valve support
(5) . Tightening torquesm
brake fluid reservoir bolt4 Nm
master cylinder bolts on
the brake servo25 Nm
rigid brake pipe unions
on the master cylinder15 Nm
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
D4F or D7F or K4M
123852