RENAULT TWINGO 2009 2.G Chasiss Workshop Manual

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.
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37A-43
MECHANICAL COMPONENT CONTROLS
Brake pedal switch: Removal - Refitting
37A
REFITTING
I - REFITTING PREPARATION OPERATION
a
aMeasure dimension X of the notched segment (5) . If
dimension X is less than 28 mm, pull carefully on the
end of the notched segment (5) to adjust the dimen-
sion X between 28 mm minimum and 29 mm maxi-
mum.Visual inspection of the switch during the
operation
Position of the notched segment and the flange
a
II - REFITTING OPERATION FOR PART
CONCERNED
aDepress the brake pedal by hand.
aFit the brake light switch to the pedal assembly.
134304
WARNING
The brake pedal position switch must be
replaced if the notched segment is pulled com-
pletely out of the switch.
WARNING
The switch must be replaced if the notched seg-
ment is adjusted three times.
134305
Note:
With the pedal in the highest position, check that
the flange (8) is not visible.
If the flange is visible, repeat the adjustment of X.

37A-44
MECHANICAL COMPONENT CONTROLS
Brake pedal switch: Removal - Refitting
37A
aTake a set of feeler gauges
aPut a « 1 mm » shim on the switch support bracket
on the brake pedal (6) .
aLock the brake light switch by turning it a quarter of
a turn clockwise.
aCarefully support the return of the brake pedal while
checking that the shim remains correctly in place.
aWith the shim in place, check that the flange (8) is
not visible.
aDepress the brake pedal by hand.
aRemove the adjusting shim.
aCarefully support the return of the brake pedal.aTake a set of feeler gauges
aPut a 1 mm shim on the brake pedal (7) .
aLock the brake light switch by turning it a quarter of
a turn clockwise.
aCarefully support the return of the brake pedal while
checking that the shim remains correctly in place.
aWith the shim in place, check that the flange (8) is
not visible.
aDepress the brake pedal by hand.
aRemove the adjusting shim.
aCarefully support the return of the brake pedal.
aConnect the brake light switch connector. LEFT-HAND DRIVE
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(6) Position of the adjusting shim.
Note:
The brake pedal switch has an automatic adjust-
ment feature, adapting to the pedal position.
The automatic adjustment makes a clicking noise
when in operation.
RIGHT-HAND DRIVE
123860
(7) Position of the adjusting shim.
Note:
The br ake pedal switch has an automatic adjust-
ment feature, adapting to the pedal position.
The automatic adjustment makes a clicking noise
when in oper ation.

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.

37A-46
MECHANICAL COMPONENT CONTROLS
Parking brake lever: Removal - Refitting
37A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aRelease the parking brake lever.
aRemove:
-the heat shield clips (1) ,
-the heat shield (2) .aRemove the parking brake lever adjusting nut (3) .
aDetach the parking brake cables from the compen-
sator.
aRemove:
-the parking brake lever compensator (4) ,
-the front seats, completely (see Complete front
seat: Removal - Refitting) (MR 412 Bodywork,
75A, Front seat frames and runners).
aDepending on the equipment level, remove:
-the rear bench seatback (see Rear bench seat-
back: Removal - Refitting) (MR 412 Bodywork,
76A, Rear seat frames and runners),
-the rear bench seat base (see Rear bench seat
base: Removal - Refitting) (MR 412 Bodywork,
76A, Rear seat frames and runners)
-the rear seats, completely (see Complete rear
seat: Removal - Refitting) (MR 412 Bodywork,
76A, Rear seat frames and runners).
aPartially remove the floor carpet to access the park-
ing brake lever (see Floor carpet: Removal - Refit-
ting) (MR 412 Bodywork, 71A, Body internal trim). Tightening torquesm
par king brake lever nuts8 Nm
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37A-47
MECHANICAL COMPONENT CONTROLS
Parking brake lever: Removal - Refitting
37A
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the nuts (6) from the parking brake lever,
-the parking brake lever (7) .
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the parking brake lever,
-the parking brake lever nuts.
aTorque tighten the parking brake lever nuts (8
Nm).
II - FINAL OPERATION.
aFit the floor carpet (see Floor carpet: Removal -
Refitting) (MR 412 Bodywork, 71A, Body internal
trim).
aRefit (depending on equipment level):
-the rear seats, completely (see Complete rear
seat: Removal - Refitting) (MR 412 Bodywork,
76A, Rear seat frames and runners),
-the rear bench seat base (see Rear bench seat
base: Removal - Refitting) (MR 412 Bodywork,
76A, Rear seat frames and runners),-the rear bench seatback (see Rear bench seat-
back: Removal - Refitting) (MR 412 Bodywork,
76A, Rear seat frames and runners).
aRefit the front seats, completely (see Complete
front seat: Removal - Refitting) (MR 412 Body-
work, 75A, Front seat frames and runners).
aAttach the parking brake cables to the compensator.
aRefit the parking brake lever adjusting nut.
aAdjust the parking brake lever (see 37A, Mechani-
cal component controls, Parking brake lever:
Adjustment, page 37A-48) .
aRefit:
-the heat shield,
-the heat shield clips.
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37A-48
MECHANICAL COMPONENT CONTROLS
Parking brake lever: Adjustment
37A
A poorly adjusted parking brake:
-prevents correct operation of the automatic compen-
sation system for the brake shoes,
-causes premature wear of brake shoes.
ADJUSTMENT
I - ADJUSTMENT PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) .
aApply the parking brake five times to condition the
cables for normal use.
aPut the parking brake lever into the released posi-
tion.
aCheck that the rear wheels turn freely. If they do not,
check the following components and if necessary re-
pair:
-the parking brake cables,
-the calliper piston,
-the automatic compensation system,
-calliper
aRemove the rear wheels (see 35A, Wheels and ty-
res, Wheel: Removal - Refitting, page 35A-1) .
aRemove:
-the heat shield clips (1) ,
-the heat shield (2) .II - OPERATION FOR ADJUSTMENT OF PART
CONCERNED
aLoosen the nut (2) to release the cables.
aPosition the parking brake lever at the 2nd notch.
aMove the adjustment nut until the disc or drum can
no longer be turned by hand.
aPull the brake lever several times.
aPut the parking brake lever into the released posi-
tion.
aThe disc or the drum must be able to turn freely. If
not, move the nut gradually until the disc or drum
can turn freely.
aRefit the rear wheels (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
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121334

37A-49
MECHANICAL COMPONENT CONTROLS
Clutch control: List and location of components
JB1
37A
No. Description
(1) Clutch fork
(2) Clutch control cable
(3) Brake - clutch pedal
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37A-50
MECHANICAL COMPONENT CONTROLS
Clutch control: List and location of components
JH3
37A
No. Description
(1) Clutch slave cylinder (clutch thr ust bearing)
(2) Hydraulic clutch control pipes
(3) Filter
(4) Clutch master cylinder
(5) Brake fluid supply duct
(6) Brake fluid reservoir
(7) Clutch pedal
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37A-51
MECHANICAL COMPONENT CONTROLS
Clutch cable: Removal - Refitting
JB1
37A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove:
-the battery (see Battery: Removal - Refitting)
(MR 411, 80A, Battery),
-the battery tray (see Battery tray: Removal - Re-
fitting) (MR 411, 80A, Battery),
-the « brake pedal - clutch » assembly (see ) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUnclip the cable sleeve stop (1) from the bulkhead
and remove the passenger compartment cable.
aDetach the clutch cable at (2) .
aDetach the cable sleeve stop (3) from the fork on the
gearbox.
aDetach the clutch cable from the clutch fork at (4) .
aRemove the clutch cable.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the clutch cable.
aAttach the clutch cable to the clutch fork.
aFit the cable sleeve stop to the fork on the gearbox.
aAttach the clutch cable.
aFit the clutch cable through the opening in the bulk-
head and clip on the cable sleeve stop.II - FINAL OPERATION.
aRefit:
-the « brake pedal - clutch » assembly (see ) ,
-the battery tray (see Battery tray: Removal - Re-
fitting) (MR 411, 80A, Battery),
-the battery (see Battery: Removal - Refitting)
(MR 411, 80A, Battery).
121113