torque RENAULT TWINGO RS 2009 2.G Chasiss Workshop Manual

TWINGO - Chapitre 3
Contents
Pages
TWINGO - Chapitre 3ContentsPages
30A GENERAL INFORMATION
Brake circuit: Operating
diagram 30A-1
Brake circuit: Precautions for
the repair 30A-2
Braking circuit: Bleed 30A-4
Brake circuit: Tightening
torque 30A-6
Rigid brake pipe: Repair 30A-13
Brake fluid: Specifications 30A-18
Brake: Specifications 30A-19
Steering: Tightening torque 30A-20
Axle assemblies: Check 30A-23
Underbody heights:
Adjustment value 30A-24
Front axle system:
Tightening torque 30A-27
Front axle assembly:
Adjustment values 30A-31
Front axle system:
Adjustment 30A-36
Rear axle system: Tightening
torque 30A-37
Rear axle assembly:
Adjustment values 30A-3831A FRONT AXLE COMPONENTS
Front brake pads: Removal -
Refitting 31A-1
Front brake hose: Removal -
Refitting 31A-6
Front brake calliper: Removal
- Refitting 31A-8
Front brake calliper: Repair 31A-12
Front brake calliper
mounting: Removal -
Refitting 31A-14
Front brake disc protector:
Removal - Refitting 31A-18
Front brake disc: Removal -
Refitting 31A-19
Front brake disc: Description 31A-22
Front driveshaft hub carrier:
Removal - Refitting 31A-23
Front hub carrier bearing:
Removal - Refitting 31A-26
Front shock absorber and
spring: Removal - Refitting 31A-29
Front driveshaft lower arm:
Removal - Refitting 31A-33
Front driveshaft lower arm
ball joint: Removal - Refitting 31A-40
Front axle subframe:
Removal - Refitting 31A-43

30A-5
GENERAL INFORMATION
Braking circuit: Bleed
30A
aConnect the brake circuit bleeding device (after
having received Renault approval) to the master cyl-
inder reservoir (see the instructions for the equip-
ment).
aPressurise the brake circuit.
aAdjust the pressure to between 1.5 bar < P < 2 bar
for 3 minutes to stabilise it in the braking circuit.
aClose the circuit between the bleed screw and brake
fluid reservoir without dumping the pressure.
aFit the bleed containers to the four bleed screws of
the callipers.
aUndo the calliper bleed screws:
-front left-hand,
-front right-hand,
-rear left-hand,
-rear right-hand.
aOpen the circuit between the bleed screw and brake
fluid reservoir and allow the liquid to run until all the
air bubbles have been released.
aTighten the bleed screws in the following order:
-front left-hand,
-front right-hand,
-rear left-hand,
-rear right-hand.
aUndo the calliper bleed screw:
-front left-hand,
-allow the fluid to run until all the air bubbles have
been released,
-tighten the bleed screw on the calliper.
aCarry out the previous operation on the callipers:
-front right-hand,
-rear left-hand,
-rear right-hand.
aClose the bleed screw to dump the pressure in the
brake circuit.aRemove the brake circuit bleeding device from
the master cylinder reservoir.
aCheck pedal travel and resistance. If it is not correct,
finish bleeding the brake circuit with the help of a se-
cond operator. Start the bleed operation by bleeding
the calliper that is the furthest away from the master
cylinder:
-hold down the brake pedal,
-open the circuit bleed screw to release the air from
the brake circuit,
-close the circuit bleed screw,
-release the brake pedal.
aTop up the brake fluid level in the reservoir, if neces-
sary. Check the sealing of the front and rear bleed
screws and ensure that the sealing covers are in
place (see 30A, General information, Brake cir-
cuit: Tightening torque, page 30A-6) .
aDuring a road test, trigger braking regulation to con-
firm that the brake pedal travel is correct.
aClean off any traces of brake fluid on the vehicle us-
ing BRAKE CLEANING PRODUCT (see Vehicle:
Parts and consumables for the repair) Note:
The circuit between the bleed screw and brake
fluid reservoir is closed in different ways depen-
ding on the type of equipment used:
-valve,
-switch.

30A-6
GENERAL INFORMATION
Brake circuit: Tightening torque
30A
I - FRONT BRAKES
EQ UIPMENT LEVEL SPORT
146250
No. Description Tightening torque (N.m)
(1) Calliper bleed screw10
(2) Guide pin bolts28
(3) Calliper suppor t bolt100
(4) Hub nut280
(5) Brake disc bolt14
-Brake pipe union on the calliper17

30A-7
GENERAL INFORMATION
Brake circuit: Tightening torque
30A
EQUIPMENT LEVEL EA0 or EQUIPMENT LEVEL
EA1 or EQUIPMENT LEVEL EA3 or EQUIPMENT
LEVEL EA5 or EQUIPMENT LEVEL EAG or
EQUIPMENT LEVEL EZ2 or EQUIPMENT LEVEL
EZ4
135206
No. Description Tightening torque (N.m)
(1) Calliper bleed screw11
(2) Guide pin bolts35
(3) Calliper suppor t bolt100
(4) Hub nut280
(5) Brake disc bolt14
-Brake pipe union on the calliper17

30A-8
GENERAL INFORMATION
Brake circuit: Tightening torque
30A
II - REAR BRAKES
EQ UIPMENT LEVEL SPORT
146249
No. Description Tightening torque (N.m)
(6) Calliper bleed screw11
(7) Guide pin bolts35
(8) Calliper suppor t bolt105
(9) Stub-axle carr ier bolt53
(10) Brake disc nut175

30A-9
GENERAL INFORMATION
Brake circuit: Tightening torque
30A
135207
No. Description Tightening torque (N.m)
(6) Calliper bleed screw6
(7) Guide pin bolts15
109710
No. Description Tightening torque (N.m)
(9) Drum nut175

30A-10
GENERAL INFORMATION
Brake circuit: Tightening torque
30A
III - BRAKE CONTROL
121353
121346
121347
121456

30A-11
GENERAL INFORMATION
Brake circuit: Tightening torque
30A
121361
121360121607
No. Description Tightening
torque
(N.m)
(11) Brake servo bolts 25
(12) Master cylinder nuts 25
(13) Master cylinder outlet pipe unions 15
(14) Hydraulic unit bolt on its intermedi-
ate bracket8

30A-12
GENERAL INFORMATION
Brake circuit: Tightening torque
30A
(15) Hydraulic unit intermediate bracket
bolt on the main mounting6.5
(16) Hydraulic unit main mounting bolt
on the body8
(17) Hydraulic unit pipe unions 13
(18) Parking brake control nuts 8 No. Description Tightening
torque
(N.m)

30A-13
GENERAL INFORMATION
Rigid brake pipe: Repair
30A
This procedure applies to copper pipes diameter 4.7
mm.
REPAIR
I - PIPE PREPARATION OPERATION
a
aCut the pipe to the recommended length using a
tube cutter (see Garage equipment catalogue).
aPut the nuts or bolts on the pipe before forming the
rivets.
II - MAKING THE RIVETS
a Equipment required
compressed air nozzle
Tightening torquesm
brake pipe bolts8 N.m
underbody unions
(female/male)6 N.m
Note:
This procedure does not apply to:
-hybrid pipes (pipe + hose),
-pipes with diameters 6 mm and 8 mm.
WARNING
To avoid causing a breakdown in hydraulic brake
circuit , do not squash or bend the rigid pipe
when cutting.
128666
128643
128665
Note:
To make the r ivets, fit the rivet press in a vice.