2009 RENAULT TWINGO RS brake

33A-8
REAR AXLE COMPONENTS
Rear brake calliper: Removal - Refitting
EQ UIPMENT LEVEL SPORT
33A
aPush the piston to the bottom of its housing using
the (Fre. 1190-01).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the brake calliper on the calliper mounting.
aTorque tighten:
-the new bolts on the brake calliper guide pins
(35 N.m),
-the brake pipe union on the calliper (13 N.m).
aFit the parking brake cable.
aClip the handbrake on the brake calliper.
III - FINAL OPERATION
aRefit the rear wheel (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
aRemove the pedal press from the brake pedal.
aBleed the brake circuit (see 30A, General informa-
tion, Braking circuit: Bleed, page 30A-4) .
106309
IMPORTANT
To avoid any accident, bring the pistons, brake
pads and brake discs into contact by depressing
the brake pad several times.

33A-9
REAR AXLE COMPONENTS
Rear brake calliper mounting: Removal - Refitting
EQ UIPMENT LEVEL SPORT
33A
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 wheel (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 guide pin bolts (1) ,
-the brake calliper from the mounting.
aAttach the brake calliper to the suspension spring.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the brake calliper mounting bolts (2) ,
-the brake calliper mounting. Special tooling required
Fre. 1190-01Brake calliper piston return
tool.
Tightening torquesm
bolts of the brake calli-
per mountingXXX
new bolts of the brake
calliper guide pins105 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.
132468
132465

33A-10
REAR AXLE COMPONENTS
Rear brake calliper mounting: Removal - Refitting
EQ UIPMENT LEVEL SPORT
33A
REFITTING
I - REFITTING PREPARATION OPERATION
aClean using a wire brush and BRAKE CLEANER
(see Vehicle: Parts and consumables for the re-
pair) (04B, Consumables - Products):
-the calliper supports,
-the callipers.
aAlways replace:
-the calliper mounting bolts,
-the calliper guide pin bolts.
aPush the piston to the bottom of its housing using
the (Fre. 1190-01).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the brake calliper mounting.
aTorque tighten the bolts of the brake calliper
mounting (XXX).
III - FINAL OPERATION.
aRefit:
-the brake calliper,
-the brake pads (see 33A, Rear axle components,
Rear brake pads: Removal - Refitting, page 33A-
1) .
aTorque tighten the new bolts of the brake calliper
guide pins (105 N.m).aRefit the rear wheel (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
106309
IMPORTANT
To avoid any accident, bring the pistons, brake
pads and brake discs into contact by depressing
the brake pad several times.

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.
132467
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) .
132455
IMPORTANT
To avoid any accident, bring the pistons, brake
pads and brake discs into contact by depressing
the brake pad several times.

33A-13
REAR AXLE COMPONENTS
Rear brake disc: Description
EQ UIPMENT LEVEL SPORT
33A
I - PREPARATION OPERATION FOR CHECK
Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
Remove the rear wheel concerned (see 35A, Wheels
and tyres, Wheel: Removal - Refitting, page 35A-1) .
II - CHECKING OPERATION FOR PART
CONCERNED
Position the Palmer tool (1) to measure the disc thick-
ness.Measure the thickness of the disc at 4 points in order
(90˚ apart).
Compare the values with those recommended by the
manufacturer (see 30A, General information, Brake:
Specifications, page 30A-19) .
III - FINAL OPERATION
Replace the discs if necessary (see 33A, Rear axle
components, Rear brake disc: Removal - Refitting,
page 33A-11) .
Refit the rear wheel concerned (see 35A, Wheels and
tyres, Wheel: Removal - Refitting, page 35A-1) . Note:
Use a Palmer type tool to check the thickness of the
disc.
117058
99582

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-15
REAR AXLE COMPONENTS
Rear brake lining: Removal - Refitting
33A
aRemove the leading shoe:
-the spring (10) ,
-the adjustment lever (11) .
REFITTING
I - REFITTING PREPARATIONS OPERATION
aRemove any dust from the drums and the flanges
using the cleaning station.
aLightly grease the support linkage thread.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the leading shoe:
-the adjustment lever,
-the spring.
aConnect the parking brake cable to the parking
brake lever.
aRefit:
-the trailing shoe.
86559
117348
Note:
The brake mechanism components are different
on the left and r ight-hand sides, so it is important
not to confuse them.
Note:
On the left-hand brake: the bolt thread has a
right-hand thread.
On the right-hand brake: the bolt has a left-hand
thread.