Injector RENAULT TWINGO 2009 2.G Engine And Peripherals User Guide

11A-131
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
D4F, and 780 or 782
11A
aRemove the bolts (2) on the intercooler outlet air
pipe.
aMove the intercooler outlet air pipe away from the
throttle valve.
aUndo the compressor discharge valve air pipe clip
(3) .
aDisconnect:
-the turbocharging solenoid valve connector to the
turbocharger,
-the compressor discharge valve air pipe from the
air filter unit outlet air pipe.aUnclip the injection wiring from the inlet manifold.
aDisconnect:
-the upstream oxygen sensor connector (4) .
-the air inlet pressure connector (5) ,
-the injector rail - injector wiring connector (6) ,
-the fuel vapour rebreather solenoid valve connec-
tor,
-the throttle body connector ,
-the coolant temperature sensor connector.
aDisconnect the petrol supply union on the injector
rail - injector.
aPlug the openings.
aMove aside the engine wiring.
122390121765
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to r un.
IMPORTANT
Dur ing this operation, be sure to:
-refrain from smoking or bringing red hot objects
close to the working area,
-be careful of fuel splashes when disconnecting
the union.

11A-133
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
D4F, and 780 or 782
11A
2 - Checking the gasket face
aCheck the flatness of the cylinder head gasket face
(see Cylinder head: Check) .
3 - Optional additional operations
aWhen replacing the cylinder head, strip the cylinder
head (see Cylinder head: Stripping - Rebuilding) .
aIf necessary, carry out a complete check of the cylin-
der head (see Cylinder head: Check) .
II - REFITTING OPERATION FOR PART
CONCERNED
aBring the pistons to mid-stroke position to prevent
them from coming into contact with the valves during
the tightening of the cylinder head.
aCheck for the cylinder head centring dowels on the
cylinder block.
aFit a new cylinder head gasket onto the cylinder
block, positioning the marking (8) on the oil filter
side.
aRefit the cylinder head.
Cylinder head tightening procedure
aRefit the cylinder head bolts.
aFit the cylinder head bolts, without tightening them.aTighten to torque and in order the cylinder head
bolts (initial torque) (20 N.m).
aCheck that the cylinder head bolts are tightened to
20 N.m.
aAngle tighten in order the cylinder head bolts (230˚
±± ± ±
6˚).
III - FINAL OPERATION
aConnect the cooling hoses.
aRefit:
-the cooling hose clips using the (Mot. 1448),
-the engine wiring.
aRemove the blanking plugs.
aConnect:
-the petrol inlet union on the injector rail - injectors.
-the coolant temperature sensor connector,
-the throttle body connector ,
-the fuel vapour rebreather solenoid valve connec-
tor,
-the injector rail - injector wiring connector,
-the air inlet pressure connector.
-the upstream oxygen sensor connector.
aClip the injection wiring onto the inlet manifold.
aConnect:
-the compressor discharge valve air pipe to the air
filter unit outlet air pipe, WARNING
No regrinding of the cylinder head is permitted.
19598
WARNING
In order to ensure that the bolts are correctly
tightened, use a syringe to remove any oil which
may be in the cylinder head mounting holes.
18641

12A-29
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D7F
12A
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aParts always to be replaced
-inlet distributor seals.
aConsumables (see Vehicle: Parts and consuma-
bles for the repair)
-FLUOSTAR 2L grease.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove:
-the air inlet scoop on the front end panel,
-the air filter unit air inlet pipe,
-the air filter unit air outlet pipe.
aDisconnect the motorised throttle valve connector.aRemove:
-the intermediate bracket bolts on the throttle valve,
-the intermediate plate,
-the motorised throttle valve bolts (1) ,
-the motorised throttle valve. Tightening torquesm
injector rail bolts7 N.m
motorised throttle valve
bolts10 N.m
inlet distributor nuts on
the cylinder head (initial
torque)8 N.m
inlet distributor bolts on
the rocker cover (initial
torque)3 N.m
inlet distributor nuts on
the cylinder head17 N.m
inlet distributor bolts on
the rocker cover10 N.m
motorised throttle valve
bolts10 N.m
120406

12A-30
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D7F
12A
aDisconnect the spark plug high voltage wiring har-
ness (2) .
aMove aside the spark plug high voltage wiring har-
ness.
aDisconnect:
-the petrol vapour rebreather pipe from the inlet dis-
tributor (3) ,
-the non-return valve pipe on the inlet distributor (4)
,
-the air inlet pressure sensor connector (5) ,
-the air temperature sensor connector (6) ,
-the injector connector (7) ,-the fuel supply pipe intermediate union (8) ,
-the oil vapour rebreathing pipe from the inlet dis-
tributor.
aRemove the dipstick.
aRemove:
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-the alternator upper bolt.
aTilt the alternator forward.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the nuts from the air inlet distributor on the
cylinder head.
121737
IMPORTANT
During this operation, be sure to:
-refrain from smoking or bringing red hot objects
close to the working area,
-be careful of fuel splashes when disconnecting
the union.
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
IMPORTANT
Wear latex gloves during the operation.
AIR CONDITIONING
121734

12A-31
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D7F
12A
aRemove:
-the air inlet distributor bolts on the rocker cover (9) ,
-the inlet distributor.
When replacing the inlet distributor
aRemove:
-the fuel supply pipe from the injector rail,
-the injector rail bolts,
-the injector rail.
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace the inlet distributor seals.
When replacing the inlet distributor
aRefit:
-the injector rail fuel supply pipe on the inlet distrib-
utor,
-the injector rail,
-the injector rail bolts.
aTorque tighten the injector rail bolts (7 N.m).
aRefit:
-the motorised throttle valve with a new seal,
-the motorised throttle valve bolts.
aTorque tighten the motorised throttle valve bolts
(10 N.m).II - REFITTING OPERATION FOR PART
CONCERNED
aFit the inlet distributor with new seals
aFit without tightening:
-the inlet distributor nuts on the cylinder head,
-the inlet distributor bolts on the rocker cover.
aPre-tighten to torque:
-the inlet distributor nuts on the cylinder head
(initial torque) (8 N.m),
-the inlet distributor bolts on the rocker cover
(initial torque) (3 N.m).
aTorque tighten:
-the inlet distributor nuts on the cylinder head
(17 N.m),
-the inlet distributor bolts on the rocker cover
(10 N.m).
III - FINAL OPERATION
aConnect:
-the oil vapour induction pipe from inlet distributor ,
-the fuel supply pipe intermediate union,
-the injector connectors,
-the air temperature sensor connector,
-the air inlet pressure sensor connector,
-the non-return valve pipe on the inlet distributor,
-the petrol vapour rebreather pipe.
121735

12A-33
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 772
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove the air filter unit (see 12A, Fuel mixture,
Air filter unit: Removal - Refitting, page 12A-13) .
aUnclip the fuel supply pipe on the engine oil filler
neck.aRemove:
-the bolt (1) from the engine oil filler neck,
-the engine oil filler neck. Tightening torquesm
throttle valve bolts10 N.m
injector rail bolts7 N.m
inlet distributor nuts on
the rocker cover (initial
torque)8 N.m
inlet distributor bolts on
the cylinder head (initial
torque)3 N.m
inlet distributor nuts on
the rocker cover17 N.m
inlet distributor bolts on
the cylinder head9 N.m
IMPORTANT
During this oper ation, be sure to:
-refrain from smoking or bringing red hot objects
close to the working area,
-be careful of fuel splashes when disconnecting the
union.
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
120299

12A-34
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 772
12A
aDisconnect:
-the oil vapour rebreathing pipe from the inlet dis-
tributor (2) ,
-the non-return valve pipe on the brake servo (3) ,
-the petrol vapour rebreather pipe from the inlet dis-
tributor (4) ,
-the air inlet pressure sensor connector (5) ,
-the inlet air temperature sensor connector (6)
-the throttle valve connector (7) ,
-the injector connectors (8) .
aDisconnect:
-the spark plug high voltage wiring harnesses (9) ,
-the fuel supply pipe union on the injector rail.
aUnpick the engine wiring from the inlet distributor.
aRemove the dipstick.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the nuts (10) from the inlet distributor on the rocker
cover,
-the inlet distributor bolts from the cylinder head,
-the inlet distributor.
When replacing the inlet distributor
aUsing the workbench, remove:
-the fuel supply pipe to the injector rail,
-the injector rail bolts,
-the throttle valve bolts,
-the throttle valve.
121733
WARNING
To disconnect the spark plug leads, pull on the
extensions and not on the leads.
110421
109729

12A-35
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 772
12A
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: inlet distributor
seal.
When replacing the inlet distributor
aRefit:
-the throttle valve with a new seal,
-the throttle valve bolts.
aTorque tighten the throttle valve bolts (10 N.m).
aRefit:
-the injector rail,
-the injector rail bolts.
aTorque tighten the injector rail bolts (7 N.m).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the inlet distributor, with its new seals.
aFit without tightening:
-the inlet distributor nuts on the rocker cover,
-the inlet distributor bolts from the cylinder head,
aPre-tighten to torque:
-the inlet distributor nuts on the rocker cover
(initial torque) (8 N.m),
-the inlet distributor bolts on the cylinder head
(initial torque) (3 N.m).
aTorque tighten in order:
-the inlet distributor nuts on the rocker cover (17
N.m),-the inlet distributor bolts on the cylinder head
(9 N.m).
109729

12A-36
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 772
12A
III - FINAL OPERATION
aIt is essential to apply a bead of FLUOSTAR 2L
grease (see Vehicle: Parts and consumables for
the repair) (04B, Consumables - Products) 2 mm in
diameter on the inner edge of the high tension caps.
aConnect:
-the high voltage wiring harnesses to the spark
plugs,
-the fuel supply pipe union on the injector rail,
-the motorised throttle valve connector,
-the injector connectors,
-the air inlet temperature sensor connector,
-the non-return valve pipe on the brake servo,
-the petrol vapour rebreather pipe.
aRefit the dipstick.
aClip the engine wiring onto the inlet distributor.
aRefit the air filter unit (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) .
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
106640

12A-38
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 780 or 782
12A
aRemove the « injector rail - injector » assembly (see
17B, Petrol injection, Injector rail - Injectors: Re-
moval - Refitting, page 17B-27) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect:
-the air temperature sensor connector from the in-
tercooler air outlet pipe,
-the air pressure sensor connector from the inter-
cooler air outlet pipe.
aUnclip:
-the inlet distributor wiring,
-the throttle valve wiring on the inlet distributor.
aMove the throttle valve wiring to one side.
aDisconnect the non-return valve pipe from the inlet
distributor.
aMove the non-return valve pipe to one side.
aRemove:
-the inlet distributor bolts,
-the inlet distributor,
-the inlet distributor seal.
REFITTING
REFITTING PREPARATION OPERATION
aparts always to be replaced: inlet distributor
seal.aApply a drop of FRENETANCHE (see Vehicle:
Parts and consumables for the repair) (04B, Con-
sumables - Products) to the inlet distributor bolts.
aRefit:
-the inlet distributor fitted with a new seal,
-the inlet distributor bolts.
aPretighten to torque and in order the inlet distribu-
tor bolts (initial torque) (4 N.m).
aTighten to torque and in order the inlet distributor
bolts (12 N.m).
aPosition the non-return valve pipe on the inlet distrib-
utor.
aConnect the non-return valve pipe on the inlet dis-
tributor.
aFit the throttle valve electrical wiring.
aClip:
-the throttle valve wiring on the inlet distributor,
-the wiring on the inlet distributor. D4F, and 780
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120955
120955