brake RENAULT TWINGO 2009 2.G Chasiss Manual PDF

33A-22
REAR AXLE COMPONENTS
Rigid brake pipe: Removal - Refitting
C44
33A
The pipes have a rigid section and a flexible section.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift ( (see Vehicle:
Towing and lifting) ).
aFit the pedal press tool to the brake pedal to limit
the escape of brake fluid.II - OPERATION FOR REMOVAL OF PART
CONCERNED
1 - Rear left-hand rigid brake pipe
aUnscrew:
-the rigid brake pipe union at the brake hose (1) .
-the rigid brake pipe union on the rear brake cylinder
(2) .
aUnclip the rear axle rigid brake pipe (3) .
aRemove the rigid brake pipe. Equipment required
pedal press
Tightening torquesm
rigid brake pipe unions
on the rear brake cylin-
ders15 Nm
rigid brake pipe unions
on the rear brake hoses17 Nm
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
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33A-23
REAR AXLE COMPONENTS
Rigid brake pipe: Removal - Refitting
C44
33A
2 - Rear right-hand rigid brake pipe
aUnscrew:
-the brake pipe union (4) at the brake hose,
-the rigid brake pipe union on the rear brake cylinder
(5) .
aUnclip the rear axle rigid brake pipe (6) .
aRemove the rigid brake pipe.REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace the rigid brake pipe clips.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the rigid pipes in their original positions.
aClip the rigid brake pipes of the rear axle.
aFit without tightening:
-the rigid brake pipe unions on the rear brake cylin-
ders.
-the rigid brake pipe unions on the rear brake hoses.
aTighten to torque:
-the rigid brake pipe unions on the rear brake
cylinders (15 Nm),
-the rigid brake pipe unions on the rear brake
hoses (17 Nm),
III - FINAL OPERATION.
aRemove the pedal press from the brake pedal to
limit the outflow of brake fluid.
aBleed the brake circuit (see 30A, General informa-
tion, Braking circuit: Bleed, page 30A-4) .
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WARNING
In order to not damage the brake hose:
-do not tension the hose,
-do not twist the hose,
-check that there is no contact with the sur-
rounding components.

33A-24
REAR AXLE COMPONENTS
Shock absorber: Removal - Refitting
33A
If a shock absorber is replaced, the shock absorber on
the opposite side must also be replaced.
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 luggage compartment internal trim (1) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUndo the upper shock absorber nut (2) when the
wheels are on the ground.
aRaise the vehicle. Equipment required
component jack
Tightening torquesm
shock absorber lower
bolt105 Nm
shock absorber upper
nut21 Nm
WARNING
To prevent any damage, do not use the rear axle as
support for the lifting system.
WARNING
To prevent any suspension asymmetry, replace
both of the shock absorbers on the same axle.
WARNING
To avoid damaging the rear axle components
(elastic joints, brake hoses etc.) do not remove
both shock absorbers at the same time. Proceed
one side at a time.
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33A-26
REAR AXLE COMPONENTS
Shock absorber: Removal - Refitting
G44
33A
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 luggage compartment interior trim (see
Rear loading trim: Removal - Refitting) (MR 412,
71A, Body internal trim).II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUndo the upper shock absorber nut (1) when the
wheels are on the ground.
aRaise the vehicle. Equipment required
component jack
Tightening torquesm
lower shock absorber
bolt105 Nm
shock absorber upper
nut21 Nm
WARNING
To prevent any damage, do not use the rear axle as
support for the lifting system.
WARNING
To prevent any suspension asymmetry, replace
both of the shock absorbers on the same axle.
WARNING
To avoid damaging the rear axle components
(elastic joints, brake hoses etc.) do not remove
both shock absorbers at the same time. Proceed
one side at a time.
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33A-30
REAR AXLE COMPONENTS
Rear drum bearing: Removal - Refitting
33A
Using a dial gauge connected to the drum, check that
the end float is greater than 0.03 mm.
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 tyres,
Wheel: Removal - Refitting, page 35A-1) ,
-the rear brake drum (see 33A, Rear axle compo-
nents, Rear brake drum: Removal - Refitting,
page 33A-19) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
aFrom the drum, remove:
-the rubber ring (1) from the rear drum bearing,
-the bearing (2) from the rear drum using a tube with
a diameter between 25 mm and 40 mm and using
a hydraulic press, supporting the bearing internal
bush (3) .
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121333

33A-31
REAR AXLE COMPONENTS
Rear drum bearing: Removal - Refitting
33A
REFITTING
I - REFITTING PREPARATIONS OPERATION
aClean:
-the internal and external surfaces of the new bear-
ing in contact with the drum,
-the drum surfaces in contact with the new bearing.
aIt is essential to check the condition of the surface of
the bore of the drum before refitting the bearing. It is
essential to replace the stub axle carrier if it is faulty.a
II - REFITTING OPERATION FOR PART
CONCERNED
aFit the bearing until it presses the shoulder using a
tube with a diameter between 51 mm and 54 mm
and using a hydraulic press.
aRefit the rubber ring.
III - FINAL OPERATION.
aRefit:
-the rear brake drum (see 33A, Rear axle compo-
nents, Rear brake drum: Removal - Refitting,
page 33A-19) ,
-the rear wheel (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
117348
WARNING
Do not press the bearing's inner bush so as to
avoid damaging the bearing (very high shrink-fit-
ting force).
121332
Note:
Take care not to press the ABS target (4) when
refitting the bear ing.

33A-32
REAR AXLE COMPONENTS
Rear stub axle carrier: Removal - Refitting
33A
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 wheel on the side concerned (see 35A,
Wheels and tyres, Wheel: Removal - Refitting,
page 35A-1) ,
-the brake drum (see 33A, Rear axle components,
Rear brake drum: Removal - Refitting, page
33A-19) .
aFit the component jack to undo the shock absorber
mountings.
aRemove the shock absorber lower bolt.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aAdjust the component jack.
aRemove:
-the stub axle carrier bolts (1) ,
-the stub axle carrier. Equipment required
component jack
Tightening torquesm
stub axle carrier bolts53 Nm
119648
Note:
Mar k the position of the stub axle carrier writing.

33A-33
REAR AXLE COMPONENTS
Rear stub axle carrier: Removal - Refitting
33A
REFITTING
I - REFITTING PREPARATIONS OPERATION
aClean the stub axle carrier using the cleaning sta-
tion.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the stub axle carrier,
-the stub axle bolts.
aTorque tighten the stub axle carrier bolts (53 Nm).
aRemove the component jack.
III - FINAL OPERATION.
aRefit:
-the brake drum (see 33A, Rear axle components,
Rear brake drum: Removal - Refitting, page
33A-19) ,
-the rear wheel on the side concerned (see 35A,
Wheels and tyres, Wheel: Removal - Refitting,
page 35A-1) .
117348

33A-34
REAR AXLE COMPONENTS
Rear stub axle carrier: 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).
aRemove the rear wheel (see 35A, Wheels and ty-
res, Wheel: Removal - Refitting, page 35A-1) .aUnclip the parking brake cable from the calliper at
(1) .
aRemove:
-the brake calliper mounting bolts (2) ,
-the "brake calliper mounting - brake calliper" as-
sembly.
aAttach the "brake calliper mounting - brake calliper"
assembly to the suspension spring.
aRemove the rear brake disc (see 33A, Rear axle
components, Rear brake disc: Removal - Refit-
ting, page 33A-11) . Equipment required
component jack
Tightening torquesm
new bolts of the rear
stub axle carrier53 N.m
lower bolt of the rear
shock absorber105 N.m
new bolts of the brake
calliper mounting105 Nm
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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33A-35
REAR AXLE COMPONENTS
Rear stub axle carrier: Removal - Refitting
EQ UIPMENT LEVEL SPORT
33A
aFit a component jack.
aRemove the lower bolt (3) from the rear shock ab-
sorber.
aTip the rear shock absorber.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUnclip the wheel speed sensor (4) .aRemove:
-the bolts (5) of the rear stub axle carrier,
-the rear stub axle carrier.
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace:
-the brake calliper mounting bolts,
-the stub axle carrier bolts,
-the stub-axle nut.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the rear stub axle carrier.
aTorque tighten the new bolts of the rear stub axle
carrier (53 N.m).
aClip on the wheel speed sensor.
III - FINAL OPERATION.
aRefit the rear shock absorber.
aTorque tighten the lower bolt of the rear shock ab-
sorber (105 N.m).
aRemove the component jack.
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