2009 RENAULT TWINGO wheel

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.
117348

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.
109709
109710

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.
117348

33A-21
REAR AXLE COMPONENTS
Rear brake drum: Description
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 (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 - TEST OPERATION
Position the sliding calliper to measure the internal di-
ameters of the brake drum.
Measure the interior diameters of the brake drum on
the perpendicular axes (1) and (2) .
Compare the values with those recommended by the
manufacturer (see 30A, General information, Brake:
Specifications, page 30A-19) .III - FINAL OPERATION
Replace the rear drums if necessary (see 33A, Rear
axle components, Rear brake drum: Removal - Re-
fitting, page 33A-19) .
Refit the rear wheel (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) . Equipment required
sliding calliper
Note:
To check the internal diameter of the drum, use a
sliding calliper type tool for drums.
116995

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.
119428
119434

33A-25
REAR AXLE COMPONENTS
Shock absorber: Removal - Refitting
33A
aUsing a block, bring the component jack into con-
tact under the rear axle, near the shock absorber.
aRemove the lower shock absorber bolt (3) .
aRemove the component jack.
aRemove:
-the shock absorber upper nut while holding the
shock absorber rod end,
-the shock absorber.
REFITTING
I - REFITTING PREPARATIONS OPERATION
aThe upper lock nut on the shock absorber must al-
ways be replaced.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the shock absorber,
-the new upper nut on the shock absorber.
aRaise the vehicle.
aRefit the shock absorber lower bolt with the compo-
nent jack in contact with a block under the rear axle
near the shock absorber.
aTorque tighten:
-the shock absorber lower bolt (105 Nm) with the
component jack in position,-the shock absorber upper nut (21 Nm) while
holding the shock absorber rod end, with the
wheels on the ground.
III - FINAL OPERATION.
aRefit the luggage compartment internal trim.
119340

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.
119434

33A-27
REAR AXLE COMPONENTS
Shock absorber: Removal - Refitting
G44
33A
aFit a component jack until contact is made with a
shim, under the rear axle near the shock absorber.
aRemove the lower shock absorber bolt (2) .
aRemove the component jack.
aRemove:
-the shock absorber upper nut while holding the
shock absorber rod end,
-the shock absorber.
REFITTING
I - REFITTING PREPARATIONS OPERATION
aThe upper lock nut on the shock absorber must al-
ways be replaced.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the shock absorber,
-the new upper nut on the shock absorber.
aRaise the vehicle.
aRefit the shock absorber lower bolt using a compo-
nent jack in contact with a shim, under the rear axle
near the shock absorber.
aTorque tighten:
-the lower shock absorber bolt (105 Nm) with a
component jack,-the shock absorber upper nut (21 Nm) while
holding the shock absorber rod end, with the
wheels on the ground.
III - FINAL OPERATION.
aRefit the luggage compartment interior trim (see
Rear loading trim: Removal - Refitting) (MR 412,
71A, Body internal trim).
119340