2009 RENAULT TWINGO RS torque

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-17
REAR AXLE COMPONENTS
Rear brake cylinder: Removal - Refitting
33A
REMOVAL
I - OPERATION FOR PREPARATION OF PART
CONCERNED
aPosition the vehicle on a 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 drum (see 33A, Rear axle compo-
nents, Rear brake drum: Removal - Refitting,
page 33A-19) .
II - REMOVAL OPERATION FOR PART
CONCERNED
aRemove the upper return spring (1) using brake
shoe pliers.
aRemove the brake shoes.aUndo the rigid brake pipe union (2) on the rear brake
cylinder.
aFit a cap on the rigid brake pipe union.
aRemove:
-the rear brake cylinder bolt (3) on the flange,
-the rear brake cylinder. Tightening torquesm
rear brake cylinder bolt
on the flange14.5 Nm
rigid brake pipe union
on the rear brake cylin-
der15 Nm
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Note:
Expect some br ake fluid to run out.

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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33A-20
REAR AXLE COMPONENTS
Rear brake drum: Removal - Refitting
33A
aAlways replace the brake drum nuts.
aparts always to be replaced: rear drum cap.
aReplace any faulty parts.
aUsing a parts washer, clean:
-the brake linings,
-the brake drums.
-the stub axle.
II - REFITTING OPERATION FOR PART
CONCERNED
aAdjust the parking brake if the lever stops between
the first and second position of the parking brake le-
ver's travel (see 37A, Mechanical component con-
trols, Parking brake lever: Removal - Refitting,
page 37A-46) .
aRefit:
-the brake drums.
-the brake drum nuts.
aTorque tighten the brake drum nuts (175 N.m) by
turning the drum while tightening the nut.
aRefit new brake drum caps.
III - FINAL OPERATION
aRefit the rear wheels (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) .
aAdjust the brake linings by depressing the brake
pedal repeatedly.
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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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