2009 RENAULT TWINGO RS torque

38C-17
ANTI-LOCK BRAKING SYSTEM
Rear wheel speed sensor: Removal - Refitting
38C
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 rear wheel (see 35A, Wheels and ty-
res, Wheel: Removal - Refitting, page 35A-1) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aOpen the rear wheel speed sensor connector pro-
tection unit flap (1) .
aDisconnect the rear wheel speed sensor cable con-
nector (2) .aUnclip the rear wheel speed sensor cable at (3) and
(4) . Tightening torquesm
rear wheel speed sen-
sor bolt8 Nm
121476
121476

38C-18
ANTI-LOCK BRAKING SYSTEM
Rear wheel speed sensor: Removal - Refitting
38C
aRemove:
-the rear wheel speed sensor bolt (5) ,
-the rear wheel speed sensor.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the rear wheel speed sensor,
-the rear wheel speed sensor bolt.
aTorque tighten the rear wheel speed sensor bolt (8
Nm).
aClip on the rear wheel speed sensor cable.
aConnect the rear wheel speed sensor cable connec-
tor.II - FINAL OPERATION.
aClose the rear wheel speed sensor connector pro-
tection unit flap.
aRefit the rear wheel (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
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WARNING
To avoid damaging the wheel speed sensor
cable:
-Do not tension the cable,
-Do not twist the cable,
-Check that there is no contact with the sur-
rounding components,
-Do not use tools that may damage the cable.

38C-19
ANTI-LOCK BRAKING SYSTEM
Lateral acceleration and yaw sensor: Removal - Refitting
ELECTRONIC STABILITY PROGRAM
38C
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the front passenger seat (see Complete front
seat: Removal - Refitting) (75A, Front seat
frames and runners),
-the passenger side front sill lining (see Front door
sill lining: Removal - Refitting) (71A, Body inter-
nal trim).
aRemove:
-the driver's seat (see Complete front seat: Re-
moval - Refitting) (75A, Front seat frames and
runners),
-the driver's side front sill lining (see Front door sill
lining: Removal - Refitting) (71A, Body internal
trim).aRemove the floor carpet (1) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDrill the rivets (2) of the protection plate (3) ,
aRemove the protection plate (3) .
aDisconnect the lateral acceleration and yaw sensor
connector (4) .
aRemove:
-the (5) lateral acceleration and yaw sensor nuts, Tightening torquesm
later al acceleration and
yaw sensor nuts8 Nm
LEFT-HAND DRIVE
RIGHT-HAND DRIVE
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132469

38C-20
ANTI-LOCK BRAKING SYSTEM
Lateral acceleration and yaw sensor: Removal - Refitting
ELECTRONIC STABILITY PROGRAM
38C
-the lateral acceleration and yaw sensor.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the lateral acceleration yaw sensor.
aTorque tighten the lateral acceleration and yaw
sensor nuts (8 Nm ).
aConnect the lateral acceleration and yaw sensor
connector.
aRefit:
-the sensor protection plate,
-the rivets of the sensor protection plate.
II - FINAL OPERATION.
aRefit the floor carpet.
aRefit:
-the driver's side front sill lining (see Front door sill
lining: Removal - Refitting) (71A, Body internal
trim),
-the driver's seat (see Complete front seat: Re-
moval - Refitting) (75A, Front seat frames and
runners).
aRefit:
-the passenger side front sill lining (see Front door
sill lining: Removal - Refitting) (71A, Body inter-
nal trim),
-the front passenger seat (see Complete front
seat: Removal - Refitting) (75A, Front seat
frames and runners). RIGHT-HAND DRIVE
LEFT-HAND DRIVE

38C-21
ANTI-LOCK BRAKING SYSTEM
Braking computer: Removal - Refitting
38C
This repair method only relates to vehicles without
ESP, equipped with TEVES brand hydraulic unit.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aDisconnect the battery (see Battery: Removal - Re-
fitting) (MR 411, 80A, Battery).
aRemove the entire hydraulic unit (see 38C, Anti-
lock braking system, Hydraulic brake unit: Re-
moval - Refitting, page 38C-2) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the braking computer bolts (1) on the hydraulic unit,
-the braking computer (2) .
REFITTING
I - REFITTING PREPARATION OPERATION
aDo not clean the pressure modulation unit (3) . Special tooling required
Mot. 1608Torque screwdriver 1 to 6.6
N.m.
Equipment required
Diagnostic tool
Tightening torquesm
braking computer bolts3 Nm
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
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19113

38C-22
ANTI-LOCK BRAKING SYSTEM
Braking computer: Removal - Refitting
38C
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the braking computer (2) , holding it by its edge.
aRefit the braking computer bolts on the pressure
modulation unit.
aTorque tighten the braking computer bolts (3 Nm)
using the (Mot. 1608).
III - FINAL OPERATION.
aRefit the entire hydraulic unit (see 38C, Anti-lock
braking system, Hydraulic brake unit: Removal -
Refitting, page 38C-2) .
aConnect the battery (see Battery: Removal - Refit-
ting) (MR 411, 80A, Battery).
aBleed the braking circuit (see 30A, General infor-
mation, Braking circuit: Bleed, page 30A-4) .
aConfigure the tachometric index using the Diagnos-
tic tool (see Fault finding - Replacement of com-
ponents) (MR 413 Fault finding, 38C, Anti-lock
braking system).
aClear any faults stored by the braking computer.
aCarry out a road test to confirm the repair.Note:
Do not try to force the braking computer into
place when refitting; it should fit in without any
resistance.
Note:
When a new braking computer is being fitted,
remember to attach the interconnection fork (4)
between the pressure modulation unit and the
braking computer.