brake pads RENAULT TWINGO 2009 2.G Chasiss Owner's Guide

33A-11
REAR AXLE COMPONENTS
Rear brake disc: Removal - Refitting
EQ UIPMENT LEVEL SPORT
33A
Brake discs cannot be reground. If there is excessive
scoring or wear, they will need to be replaced (see
30A, General information, Brake: Specifications,
page 30A-19) .
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the rear wheels (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) ,
-the rear brake pads (see 33A, Rear axle compo-
nents, Rear brake pads: Removal - Refitting,
page 33A-1) .aRemove:
-the brake calliper mounting bolts (1) ,
-the "brake calliper mounting - brake calliper" as-
sembly.
aAttach the "calliper mounting - brake calliper" to the
shock absorber spring.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the hub's nut cover (2) . Equipment required
par ts washer
Tightening torquesm
new hub nut175 N.m
brake calliper mounting
bolts105 N.m
WARNING
To avoid damaging the parking brake cable protec-
tors and causing premature wear of the system, do
not handle the cables with a tool.
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132456

33A-12
REAR AXLE COMPONENTS
Rear brake disc: Removal - Refitting
EQ UIPMENT LEVEL SPORT
33A
aRemove:
-the nut (3) from the hub,
-the brake disc.
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace the hub nut.
aClean the brake discs using a parts washer.
aDry the disc surfaces.
aClean the stub axle using a wire brush and BRAKE
CLEANER (see Vehicle: Parts and consumables
for the repair) (04B, Consumables - Products).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the brake disc.
aTorque tighten the new hub nut (175 N.m ).
aRefit the hub's nut cover.
III - FINAL OPERATION.
aRefit:
-the "calliper mounting - brake calliper" assembly,
-the brake pads (see 33A, Rear axle components,
Rear brake pads: Removal - Refitting, page 33A-
1) .aTorque tighten the brake calliper mounting bolts
(105 N.m).
aRefit the rear wheels (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
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IMPORTANT
To avoid any accident, bring the pistons, brake
pads and brake discs into contact by depressing
the brake pad several times.

33A-14
REAR AXLE COMPONENTS
Rear brake lining: Removal - Refitting
33A
Replace all the brake pads on one axle at the same
time. Never mix brake pads of different brands or qual-
ities.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift ( (see Vehicle:
Towing and lifting) ).
aRelease the parking brake.
aRemove:
-the rear wheels (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) ,
-the rear brake drums (see 33A, Rear axle compo-
nents, Rear brake drum: Removal - Refitting,
page 33A-19) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the lower return spring (1) , then the upper
return spring (2) using brake shoe pliers.aFit pliers (3) onto the slave cylinder pistons.
aRemove:
-the side retainer springs (4) of the segments, keep-
ing the connecting rod (5) in contact with the brake
backing plate (6) ,
-the leading shoe (7) ,
-the link rod (8) ,
-the trailing shoe (9) .
aUncouple the parking brake cable from the parking
brake lever.
86561
86560

33A-16
REAR AXLE COMPONENTS
Rear brake lining: Removal - Refitting
33A
-the linkage,
-the leading shoe,
-the side retainer springs of the segments, keeping
the connecting rod in contact with the brake back-
ing plate,
aRefit the lower return spring, then the upper return
spring using brake shoe pliers.
aCheck that the parking brake cable is correctly posi-
tioned on the parking brake lever.
aRemove the pliers from the slave cylinder pistons.aUse a screwdriver to adjust the piston ring diameter
with the linkage to obtain a diameter of 202.45 mm ±± ± ±
0.25.
aCarry out the same adjustment on the other side.
aAdjust the handbrake if the lever stops between the
first and second positions of the parking brake le-
ver's travel (see 37A, Mechanical component con-
trols, Parking brake lever: Adjustment, page
37A-48) .
III - FINAL OPERATION.
aRefit:
-the rear brake drums (see 33A, Rear axle compo-
nents, Rear brake drum: Removal - Refitting,
page 33A-19) ,
-the rear wheels (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
aAdjust the brake pads by depressing the brake pedal
repeatedly.
aCheck that the automatic wear take up system is
working properly (characteristic « click » from the
drums when the brake pedal is repeatedly de-
pressed).
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86557

33A-18
REAR AXLE COMPONENTS
Rear brake cylinder: Removal - Refitting
33A
REFITTING
I - REFITTING PREPARATIONS OPERATION
aRemove any dust from the drums and the flanges
using the cleaning station.
aCheck the condition of the brake cylinder boots and
pistons (replace any faulty parts).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the rear brake cylinder,
-the rear brake cylinder bolt on the flange,
-the rigid brake pipe union on the rear brake cylin-
der,
-the upper return spring using brake shoe pliers.
aTorque tighten:
-the rear brake cylinder bolt on the flange (14.5
Nm),
-the rigid brake pipe union on the rear brake cyl-
inder (15 Nm).
III - FINAL OPERATION.
aRefit:
-the rear brake drum (see 33A, Rear axle compo-
nents, Rear brake drum: Removal - Refitting,
page 33A-19) ,-the rear wheels (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
aBleed the brake circuit (see 30A, General informa-
tion, Braking circuit: Bleed, page 30A-4) .
aAdjust the brake pads by depressing the brake pedal
repeatedly.
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33A-19
REAR AXLE COMPONENTS
Rear brake drum: Removal - Refitting
33A
When a brake drum is replaced, the brake drum on the
opposite side must be replaced as well.
Always replace the brake pads if the brake drums are
being replaced.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRelease the parking brake.
aRemove the rear wheels (see 35A, Wheels and ty-
res, Wheel: Removal - Refitting, page 35A-1) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the drum caps,
-the brake drum nuts,
-the brake drums.
REFITTING
I - REFITTING PREPARATION OPERATION
aCheck the internal diameter of the drum. Equipment required
par ts washer
Tightening torquesm
brake drum nuts175 N.m
IMPORTANT
To avoid brake imbalance, both drums must be of
the same diameter. Regrinding one drum necessi-
tates regrinding of the opposite drum.
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109710

33A-36
REAR AXLE COMPONENTS
Rear stub axle carrier: Removal - Refitting
EQ UIPMENT LEVEL SPORT
33A
aRefit:
-the brake disc (see 33A, Rear axle components,
Rear brake disc: Removal - Refitting, page 33A-
11) ,
-the "brake calliper mounting - brake calliper" as-
sembly.
aTorque tighten the new bolts of the brake calliper
mounting (105 Nm).
aClip the parking brake cable onto the brake calliper.
aRefit the rear wheel (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
IMPORTANT
To avoid any accident, bring the pistons, brake
pads and brake discs into contact by depressing
the brake pad several times.

33A-41
REAR AXLE COMPONENTS
Complete rear axle system: Removal - Refitting
33A
aUnclip the end of the parking brake cables at (10) .
aUnclip the cable sleeve stops at (11) and extract the
parking brake cables from the rear drum flanges.
aRemove:
-the rear brake pads (see 33A, Rear axle compo-
nents, Rear brake lining: Removal - Refitting,
page 33A-14) ,
-the rear brake cylinders (see 33A, Rear axle com-
ponents, Rear brake cylinder: Removal - Refit-
ting, page 33A-17) ,
-the rear wheel speed sensors (see 38C, Anti-lock
braking system, Rear wheel speed sensor: Re-
moval - Refitting, page 38C-17) ,
-the rear rigid brake pipes from the rear axle,
-the rear rigid brake pipe clips from the rear axle,
-the rear stub axle carriers (see 33A, Rear axle
components, Rear stub axle carrier: Removal -
Refitting, page 33A-32) ,
-the rear brake drum flanges,
REFITTING
I - REFITTING PREPARATIONS OPERATION
aStrap the rear axle onto the (Mot. 1390).
aPosition the rear axle under the vehicle.II - REFITTING OPERATION FOR PART
CONCERNED
1 - Replacement
aRefit:
-the rear brake drum flanges,
-the rear stub axle carriers (see 33A, Rear axle
components, Rear stub axle carrier: Removal -
Refitting, page 33A-32) ,
-the rigid brake pipe clips on the rear axle,
-the rear rigid brake pipes from the rear axle,
-the rear wheel speed sensors (see 38C, Anti-lock
braking system, Rear wheel speed sensor: Re-
moval - Refitting, page 38C-17) ,
-the rear brake cylinders (see 33A, Rear axle com-
ponents, Rear brake cylinder: Removal - Refit-
ting, page 33A-17) ,
-the rear brake pads (see 33A, Rear axle compo-
nents, Rear brake lining: Removal - Refitting,
page 33A-14) .
-the parking brake cables (see 37A, Mechanical
component controls, Parking brake cables: Re-
moval - Refitting, page 37A-74) ,
-the rear brake drums (see 33A, Rear axle compo-
nents, Rear brake drum: Removal - Refitting,
page 33A-19) .
121331

37A-32
MECHANICAL COMPONENT CONTROLS
Brake pedal: Removal - Refitting
RIGHT-HAND DRIVE, and 5-SPEED MANUAL GEARBOX
37A
aRemove:
-the clutch master cylinder rod (4) ,
-the nuts (5) from the clutch master cylinder sup-
port,
-the clutch master cylinder support (6) ,
-the connecting clip (7) between the outlet pipe and
the clutch master cylinder,
-the clutch master cylinder (8) .aRemove the dashboard bolts (9) .
aMove the dashboard away slightly.
II - REMOVAL OPERATION FOR THE ALUMINIUM
PEDAL PADS
aHeat the pedal pad with a heat stripper to a maxi-
mum temperature of 80˚C.
aRemove the pad using a pair of pliers.
aClean the residue of adhesive on the pedal (see
Tools for stripping very thick soft mastic: Use) . JH3 or JR5
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123871
EQUIPMENT LEVEL SPORT

37A-35
MECHANICAL COMPONENT CONTROLS
Brake pedal: Removal - Refitting
RIGHT-HAND DRIVE, and 5-SPEED MANUAL GEARBOX
37A
aAlways replace the aluminium pedal pads after re-
moving them.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the « brake - clutch pedal assembly » ,
aTorque tighten the bolts of the « brake - clutch
pedal assembly » (21 N.m).
aRefit a new connecting shaft between the brake pe-
dal and the brake servo pushrod:
-insert the shaft in accordance with (17) ,
-lock the shaft in accordance with (18) .
aClip the passenger compartment wiring onto « the
brake - clutch pedal assembly » .
aRefit:
-the clutch cable sleeve stop to the « brake - clutch
pedal assembly » ,
-the clutch cable to the clutch pedal.III - REFITTING OPERATION FOR THE ALUMINIUM
PEDAL PADS
aCheck that the pedal is at ambient temperature.
aCheck that the surface of the pedal is clean.
aActivate the pedal bonding surface with some paper
soaked in HEPTANE.
Wipe immediately with a clean and dry cloth.
Remove the protection around the pad. EQ UIPMENT LEVEL SPORT
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JB1
EQUIPMENT LEVEL SPORT
Note:
If only the pad is being replaced, allow the pedal
to cool.
Note:
The bonding area must be clean, and free from
finger mar ks and fabric deposits.
Note:
It is essential to activate the surface and to wipe
in the same direction: there is a risk of contami-
nating the bonding surface when wiping.
Note:
Do not use the same paper to activate the sur-
face and to wipe the surface.
Throw the paper away after each use.