ignition RENAULT TWINGO RS 2009 2.G Engine And Peripherals Workshop Manual

© Renault s.a.s 2007 "The repair procedures given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
The procedures may be modified as a result of changes introduced by the manufacturer in
the production of the various component units and accessories from which the vehicles are
constructed".All rights reserved by Renault.
Copying or translating, in part or in full, of this document or use of the service part reference
numbering system is forbidden without the prior written authority of Renault.
NOVEMBER 2009 EDITION ANGLAISE
X44
1Engine and peripherals
10AENGINE AND CYLINDER BLOCK ASSEMBLY
11ATOP AND FRONT OF ENGINE
12AFUEL MIXTURE
12BTURBOCHARGING
13AFUEL SUPPLY
13BDIESEL INJECTION
13CPREHEATING
14AANTIPOLLUTION
16ASTARTING - CHARGING
17AIGNITION
17BPETROL INJECTION

Contents
13C PREHEATING
Pre-postheating unit:
Removal - Refitting 13C-1
Heater plugs: Removal -
Refitting 13C-2
14A ANTIPOLLUTION
Oil vapour rebreathing
circuit: Descriptions 14A-1
Fuel vapour recirculation
circuit: Operating diagram 14A-2
Fuel vapour recirculation
circuit: Check 14A-3
Fuel vapour absorber:
Removal - Refitting 14A-4
Fuel vapour absorber: Check 14A-7
Fuel vapour absorber bleed
solenoid valve: Removal -
Refitting 14A-8
Exhaust gas recirculation
solenoid valve: Removal -
Refitting 14A-10
Exhaust gas cooler: Removal
- Refitting 14A-11
Exhaust gas recirculation
assembly: Removal -
Refitting 14A-15
Exhaust gas recirculation
rigid pipe: Removal -
Refitting 14A-19
16A STARTING - CHARGING
Alternator: Removal -
Refitting 16A-1
Star ter: Removal - Refitting 16A-10
Alternator pulley: Removal -
Refitting 16A-1717A IGNITION
Coils: Removal - Refitting 17A-1
Plugs: Removal - Refitting 17A-12
17B PETROL INJECTION
Petrol injection: List and
location of components 17B-1
Oxygen sensors: Removal -
Refitting 17B-13
Petrol injection computer:
Removal - Refitting 17B-20
Pinking sensor: Removal -
Refitting 17B-23
Crankshaft position sensor:
Removal - Refitting 17B-25
Injector rail - Injectors:
Removal - Refitting 17B-27
19A COOLING
Engine cooling system:
Specifications 19A-1
Engine cooling system:
Check 19A-2
Engine cooling circuit: List
and location of components 19A-4
Engine cooling system:
Operating diagram 19A-5
Cooling system: Draining -
Refilling 19A-9
Cooling radiator: Removal -
Refitting 19A-12
Coolant pump: Removal -
Refitting 19A-24
Thermostat: Removal -
Refitting 19A-34
Water chamber: Removal -
Refitting 19A-40

11A-1
TOP AND FRONT OF ENGINE
Pressure at end of compression: Check
K4M
11A
CHECK
I - PREPARATION OPERATION FOR CHECK
aRemove:
-the coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) ,
-the spark plugs (see 17A, Ignition, Plugs: Re-
moval - Refitting, page 17A-12) .
aDisconnect the injector wiring connector (1) .aConnect a petrol compression gauge (2) .
aPut the vehicle under the starting conditions by posi-
tioning the gear lever in neutral.
II - TEST OPERATION
aActivate the starter until the needle of the petrol
compression gauge stabilises.
aMeasure the cylinder compressions, cylinder by cyl-
inder.
aFully depress the accelerator pedal in order to open
the throttle valve during the compression measure-
ments.
III - FINAL OPERATION
aDisconnect the petrol compression gauge.
aConnect the injector wiring connector.
aRefit:
-the spark plugs (see 17A, Ignition, Plugs: Re-
moval - Refitting, page 17A-12) ,
-the coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) . Equipment required
petrol compression gauge
132371
132338
Note:
It is necessar y to wait for at least 10 seconds
before starting the engine each time (the starter
will not run due to its ther mal protection).

11A-2
TOP AND FRONT OF ENGINE
Pressure at end of compression: Check
D4F
11A
CHECK
I - PREPARATION OPERATION FOR CHECK
aRemove the plugs (see 17A, Ignition, Plugs: Re-
moval - Refitting, page 17A-12) .
aConnect a petrol compression gauge (1) .
aRun command with Diagnostic tool :
-RZ009: VEHICLE FUNCTION PROGRAMMING,
-VP036: FUEL SUPPLY INHIBITION.
aPut the vehicle under the starting conditions by posi-
tioning the gear lever in neutral.II - TEST OPERATION
aActivate the starter until the needle of the petrol
compression gauge stabilises.
aMeasure the cylinder compressions, cylinder by cyl-
inder.
aFully depress the accelerator pedal in order to open
the throttle valve during the compression measure-
ments.
III - FINAL OPERATION
aDisconnect the petrol compression gauge.
aRefit the plugs (see 17A, Ignition, Plugs: Removal
- Refitting, page 17A-12) .
aRun command VP037: "STOP INHIBIT FUEL SUP-
PLY" using the Diagnostic tool.
aStart the engine. Equipment required
petrol compression gauge
Diagnostic tool
Note:
Use a petrol compression gauge compatible with
the special tools.
The petrol compression gauge must be equipped
with a universal end piece (rubber), or a gaz 1/4
thread bolt.
132699
Note:
It is necessar y to wait for at least 10 seconds
before starting the engine each time (the starter
will not run due to its ther mal protection).
Note:
If the engine does not start, run command
VP037: STOP FUEL SUPPLY INHIBITION using
the Diagnostic tool or switch off the ignition and
wait 1 min before starting the engine again.

11A-28
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D7F, and 800
11A
aRemove the cap (3) from the upper timing cover.
aTurn the engine clockwise (timing end) until the
mark on the camshaft sprocket is aligned with the
mark on the upper timing cover.
aInsert the TDC setting pin (Mot. 1054) (4)
aRemove the ignition interference suppressor.
aDisconnect the fuel supply pipe.
aRemove the following covers:
-upper timing,
-middle timing,-lower timing.
II - REMOVAL OF PART CONCERNED
aMake a marking on the rocker cover (5) in line with
the camshaft sprocket mark
aUndo the tensioning roller nut (6) .
aRemove the timing belt.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aLine up the marks on the timing belt with those on
the camshaft sprocket and crankshaft sprocket.
aRefit:
-the new timing belt,
-the new tensioning roller.
aTighten the tensioning roller.
aRemove the TDC setting rod (Mot. 1054).
107259
99795
1041

11A-66
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D7F
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery ( (see Battery: Removal -
Refitting) ).
aRemove:
-the intake distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the air filter box (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) .
aUnclip:
-The harness from the heat shield,
-the brake servo pipe from the heat shield.
aDisconnect the ignition coil supply.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the rocker cover bolts,
-the rocker cover.ON THE WORKBENCH
aRemove:
-the ignition coil,
-the heat shield.
REFITTING
I - REFITTING PREPARATIONS OPERATION
ON THE WORKBENCH
aRefit:
-the heat shield,
-the ignition coil.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the rocker cover,
-the rocker cover bolts.
aTorque tighten the rocker cover bolts (10 Nm).
III - FINAL OPERATION.
aConnect the ignition coil supply.
aClip:
-the brake servo pipe onto the heat shield,
-the harness onto the heat shield.
aRefit:
-the air filter box (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the intake distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) .
aConnect the battery ( (see Battery: Removal - Re-
fitting) ). Tightening torquesm
rocker cover bolts10 Nm
110422

11A-69
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 772
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aRemove:
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the ignition coil (see 17A, Ignition, Coils: Remov-
al - Refitting, page 17A-1) .
aUnclip the rocker cover electric wiring harnesses.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the rocker cover bolts,
-the rocker cover,
-the rocker cover gasket.
REFITTING
I - REFITTING PREPARATION OPERATION
aClean the joint faces with SUPER CLEANER FOR
JOINT FACES (see Vehicle: Parts and consum-
ables for the repair) (04B, Consumables - Prod-
ucts) to dissolve any part of the seal still adhering.
aparts always to be replaced: rocker cover seal.
110422
WARNING
Do not allow this product to dr ip onto the paint-
work.
Clean the cylinder head carefully to prevent for-
eign bodies from entering the oil supply and
return galleries.
Failure to follow this advice could lead to the
blocking of the various oil inlet galleries, which
would quickly result in engine damage.

11A-70
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 772
11A
II - REFITTING OPERATION FOR PART
CONCERNED
aApply a bead (1) of SILICONE ADHESIVE SEAL-
ANT (see Vehicle: Parts and consumables for
the repair) (04B, Consumables - Products) to the
camshaft bearings 1 and 5, as well as around the
rocker cover rear bolts.
aFit the rocker cover with a new gasket.aTighten the rocker cover bolts in order.
III - FINAL OPERATION
aRefit:
-the ignition coil (see 17A, Ignition, Coils: Remov-
al - Refitting, page 17A-1) ,
-the inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) .
aClip on the rocker cover electric wiring harnesses.
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
18441
20005
110422

11A-72
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 780 or 782 or 784
11A
a
aRemove the turbocharger outlet air pipe bolt (3) on
the throttle valve.
aMove the turbocharger outlet air pipe on the turbo-
charger to one side, following the direction shown by
the arrow (4) .aDisconnect the turbocharger air outlet pipe from the
turbocharger.
aMove aside the turbocharger air outlet pipe.
aUnclip the wiring harness from the upstream oxygen
sensor (7) .
aRemove:
-the bolts (6) from the heat shield,
-the heat shield,
-the filler neck bolt (8) ,
-the filler neck,
-the ignition coil (see 17A, Ignition, Coils: Remov-
al - Refitting, page 17A-1) .
122834
122673
Note:
If the turbocharger air outlet pipe tightening clip
(1) is removed, the flexible rubber pipe (2) and
the tightening clip (1) must be replaced.
Note:
If the clip (5) is removed from the heat resistant
protector, the latter must be replaced.
120957

11A-74
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 780 or 782 or 784
11A
II - REFITTING OPERATION FOR PART
CONCERNED
aApply beads (1) of MASTIXO (see Vehicle: Parts
and consumables for the repair) (04B, Consum-
ables - Products) around the rocker cover rear bolts
(lower bolts, exhaust side) and on camshaft bearing
no.5.
aFit the new rocker cover seal, starting with bearing
No. 5, then gradually insert the seal studs as the
rocker cover fits into the groove.aRefit:
-the rocker cover fitted with a new seal,
-the rocker cover bolts.
aPretighten to torque and in order the rocker cover
bolts (initial torque) (5 N.m).
aTorque tighten in order the rocker cover bolts (13
N.m).
III - FINAL OPERATION
aFit the brake servo vacuum pipe.
aConnect the brake servo vacuum pipe.
aFit the fuel vapour rebreathing pipes.
aConnect the fuel vapour rebreathing circuit unions:
-on the inlet distributor,
-on the air filter box outlet air pipe.
aFit the oil vapour rebreathing circuit.
aConnect the oil vapour rebreathing circuit unions:
-on the rocker cover,
-on the air filter box outlet air pipe,
-to the inlet distributor.
aRefit:
-the ignition coil (see 17A, Ignition, Coils: Remov-
al - Refitting, page 17A-1) ,
-the filler neck,
-the filler neck bolt,
-the heat shield,
-the heat shield bolts.
aTorque tighten the heat shield bolts (8 N.m).
18441
WARNING
Applying excess sealant could cause it to be
squeezed out when parts are tightened. A mix-
ture of sealant and fluid could damage certain
components (engine, radiator, etc.).
121026