check engine RENAULT TWINGO RS 2009 2.G Chasiss Workshop Manual

31A-48
FRONT AXLE COMPONENTS
Front axle subframe: Removal - Refitting
31A
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the speed selection cable guide on the sub-
frame.
aRefit:
-the front driveshaft lower arms (see 31A, Front
axle components, Front driveshaft lower arm:
Removal - Refitting, page 31A-33) ,
-the front anti-roll bar (see 31A, Front axle compo-
nents, Front anti-roll bar: Removal - Refitting,
page 31A-52) ,
-the steering box (see 36A, Steering assembly,
Steering box: Removal - Refitting, page 36A-1) .
aRefit the « subframe - front driveshaft lower arm -
steering box - front anti-roll bar » assembly with the
(Mot. 1390).
aTighten to torque:
-the rear subframe bolts (105 Nm) (20) ,
-the front subframe bolts (62 Nm) (22) ,
-the front end cross member bolts (21 Nm) (21) .aRefit:
-the rear suspended engine mounting (see Lower
engine tie-bar: Removal - Refitting) (19D, En-
gine mounting),
-the acoustic tie rods.
aTighten to torque:
-the acoustic tie-rod bolts (21 Nm) (23) ,
-the acoustic tie-rod bolts (90 Nm) (24) .
aRefit the sub-frame tie-rods.
aTighten to torque:
-the subframe tie-rod bolts (21 Nm),
-the subframe tie-rod nuts (62 Nm).
aCheck the position of the gear selection cables in the
guide.
aFit the gearbox control gear lever arm.
aTorque tighten the gear lever arm nut (28 Nm).
aFit the gear lever arm rubber protector. K9K
Note:
Be careful with the guide of the lower or upper
radiator when fitting the subframe. There is a risk
of the radiator guides breaking.
119336
119335
K9K
JB1

35A-10
WHEELS AND TYRES
Tyre pressure: Identification
35A
INFLATION
The pressure values given are « motorway » pres-
sures.WARNING
If checking the pressure when hot, increase the tyre
inflation pressure by 0.2 to 0.3 bar above the rec-
ommended pressure.
Engine Wheel rim TyreTyre inflation pressure when cold (bar)
Front Rear emergency
spare wheel
D4F
D7F5.5 J 14165/65 R14 79T
2.2 2.0 2.2 175/65 R14 82 T
6 J 15 185/55 R15 82H
K9K5.5 J 14165/65 R14 79T 2.3 2.1 2.3
175/65 R14 82 T
2.2 2.0 2.2
6 J 15 185/55 R15 82H

36A-15
STEERING ASSEMBLY
Steering column: Removal - Refitting
RIGHT-HAND DRIVE
36A
-the steering wheel lower cover,
-the steering wheel lower cover bolts,
-the dashboard lower cover.
aRefit the rev counter (see Rev counter: Removal -
Refitting) (MR 411, 83A, Instrument panel).
aRefit:
-the steering wheel (see 36A, Steering assembly,
Steering wheel: Removal - Refitting, page 36A-
23) ,
-the driver's front airbag (see Driver's frontal air-
bag: Removal - Refitting) (MR 411, 88C, Airbags
and pretensioners).
aConnect the battery (see Battery: Removal - Refit-
ting) (MR 411, 80A, Battery).
a
Unlock the airbag computer using the Diagnostic
tool (see Fault finding - Replacement of compo-
nents) (MR 413, 88C, Airbags and pretensioners). ENGINE REV COUNTER
IMPORTANT
To avoid a fault with or even triggering of pyro-
technic components (airbags or pretensioners),
check the airbag computer using the diagnostic
tool.

37A-17
MECHANICAL COMPONENT CONTROLS
Brake servo: Removal - Refitting
JB1 or JH1 or JH3 or JR5, and LEFT-HAND DRIVE
37A
aCheck that the brake servo seal (5) is in place and
replace the seal if it is faulty.
aBefore refitting, check the dimension L = 153.3 mm.
aIf the dimension is not correct, replace the brake ser-
vo.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the brake servo,
-the brake servo nuts (3) .aTorque tighten the brake servo nuts (25 Nm).
aRefit the new connecting shaft (3) between the
brake pedal and the brake servo rod from right to left
and from top to bottom.
III - FINAL OPERATION.
aRefit:
-the non-return valve on the brake servo,
-the master cylinder (see 37A, Mechanical compo-
nent controls, Master cylinder: Removal - Refit-
ting, page 37A-1) ,
-the injection computer mounting,
-the engine wiring bracket.
aRefit the petrol injection computer (see Petrol injec-
tion computer: Removal - Refitting) (17B, Petrol
injection).
aRefit the diesel injection computer (see Diesel in-
jection computer: Removal - Refitting) (13B, Die-
sel injection).
109206
91101-1
109205
D4F or D7F or K4M
K9K

37A-22
MECHANICAL COMPONENT CONTROLS
Brake servo: Removal - Refitting
RIGHT-HAND DRIVE
37A
aFully lower the engine using the (Mot. 1672).
aPivot the brake servo so that the servo pushrod (15)
is oriented upwards.
aRemove the brake servo by moving the engine for-
ward as far as possible.
aRemove the brake servo from underneath the vehi-
cle.
aRemove the brake servo.
REFITTING
I - REFITTING PREPARATION OPERATION
aCheck that the brake servo seal (16) is in place and
replace the seal if it is faulty.
aThe dual safety connecting shaft between the brake
servo pushrod and the brake pedal must be re-
placed every time it is removed.
aCheck the following dimension before refitting: (X1)
= 132.6 mm. D4F
123847
D4F
K4M
109206
91101

37A-80
MECHANICAL COMPONENT CONTROLS
Brake servo: Check
RIGHT-HAND DRIVE
37A
aConnect a vacuum pump to the end of the non-re-
turn valve.
aActivate the vacuum pump to obtain a vacuum of
500 mbar.
aCheck that the vacuum pressure does not drop. If it
does, the non-return valve is pierced; replace the
valve (see 37A, Mechanical component controls,
Brake servo non-return valve: Removal - Refit-
ting, page 37A-11) .
aRefit the non-return valve pipe on the intake distribu-
tor.V - CHECKING THE VACUUM PUMP
aConnect the external vacuum pump to the engine
vacuum pump.
aStart the engine.
aCheck the following values:
-550 mbar in 5 seconds for an engine speed of 700
rpm,
-700 mbar in 3 seconds and 900 mbar in 5 sec-
onds for an engine speed of 4050 rpm.
aReplace the vacuum pump if the values are different
(see 37A, Mechanical component controls, Vacu-
um pump: Removal - Refitting, page 37A-25) .
aRefit the non-return valve pipe onto the vacuum
pump.
VI - FINAL OPERATION.
aRefit:
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (MR 412,
55A, Exterior protection),
-the front right-hand wheel (see 35A, Wheels and
tyres, Wheel: Removal - Refitting, page 35A-1) .
123907
D4F or D7F
K9K
106889