warning RENAULT TWINGO 2009 2.G Engine And Peripherals Repair Manual

12A-10
FUEL MIXTURE
Air filter: Removal - Refitting
K4M
12A
REMOVAL
REMOVAL OPERATION
aRemove the bolts (1) from the air filter unit cover.
aRaise the air filter unit cover.
aRemove the air filter.
REFITTING
I - REFITTING PREPARATION OPERATION
aClean the air filter housing.
II - REFITTING OPERATION
aRefit:
-the air filter,
-the air filter unit cover.
131778
132381
WARNING
If the air fi lter is fitted incorrectly in the air filter
unit, unfiltered air may enter the engine.

12A-12
FUEL MIXTURE
Air filter: Removal - Refitting
K9K, and 718 or 740
12A
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the air filter in the air filter unit cover.
aFit the air filter unit cover.
III - FINAL OPERATION
aRefit the air filter unit (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) . WARNING
If the air filter is fitted incorrectly in the air filter
unit, unfiltered air may enter the engine and
cause the engine to malfunction.

12A-24
FUEL MIXTURE
Throttle valve: Removal - Refitting
K4M
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aUndo:
-the clip (1) of the air filter unit air outlet pipe on the
throttle valve side,
-the clip (2) of the air filter unit air outlet pipe on the
air filter unit side.
aDisconnect:
-the oil vapour rebreathing pipe (3) from the air filter
unit air outlet pipe,
-the air outlet pipe of the air filter unit.
aRemove the air outlet pipe from the air filter box.II - REMOVAL OPERATION
aDisconnect the connector (4) from the throttle valve.
aRemove:
-the throttle valve bolts (5) ,
-the throttle valve,
-the throttle valve seal.
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: Throttle valve seal.
aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean and degrease:
-the throttle valve joint face if it is to be re-used,
-the inlet distributor seal housing. Tightening torquesm
throttle valve bolts10 N.m
clip of the air filter unit
air outlet pipe on the
throttle valve3.5 N.m
clip of the air filter unit
air outlet pipe on the air
filter unit3.5 N.m
132382
132383
WARNING
The joint faces must be clean, dr y and free from
grease (avoid finger marks).
WARNING
Do not scrape the joint faces of the aluminium,
any damage caused to the joint face will result in
a risk of leaks.

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-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-37
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 780 or 782
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove the throttle valve (see 12A, Fuel mixture,
Throttle valve: Removal - Refitting, page 12A-20)
.aRemove:
-the engine oil filler neck bolt (1) ,
-the engine oil filler neck in the direction of the arrow
(2) .
aDisconnect the inlet distributor pressure sensor (3) .
aRemove:
-the inlet distributor pressure sensor bolts (4) ,
-the pressure sensor. Tightening torquesm
inlet distributor bolts (ini-
tial torque)4 N.m
inlet distributor bolts12 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.
IMPORTANT
Wear goggles with side protectors for this opera-
tion.
122392
122393

12A-40
FUEL MIXTURE
Inlet distributor: Removal - Refitting
K4M
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aRemove:
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing),-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment),
-the dipstick.
aUndo:
-the clip (1) of the air filter unit air outlet pipe on the
air filter unit side,
-the clip (2) of the air filter unit air outlet pipe on the
throttle valve side.
aDisconnect:
-the oil vapour rebreathing pipe (3) from the air filter
unit air outlet pipe,
-the air outlet pipe of the air filter unit.
aRemove the air outlet pipe from the air filter box. Tightening torquesm
throttle valve bolts10 N.m
inlet distributor bolts12 N.m
clip of the air filter unit
air outlet pipe on the
throttle valve3.5 N.m
clip of the air filter unit
air outlet pipe on the air
filter unit3.5 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.
WARNING
To prevent impurities from entering the circuit, plugs
must be fitted to the openings of all the fuel circuit
components exposed to the open air.
132382

12A-42
FUEL MIXTURE
Inlet distributor: Removal - Refitting
K4M
12A
II - REMOVAL OPERATION
aRemove:
-the inlet distributor bolts (11) ,
-the inlet distributor,
-the inlet distributor seals.
When replacing the inlet distributor
aRemove:
-the air inlet temperature sensor (12) ,
-the air inlet pressure sensor (13) ,-the throttle valve,
-the throttle valve seal.
aRemove:
-the bolts (15) from the heat shield,
-the heat shield,
-the oil vapour rebreathing pipe.
REFITTING
I - REFITTING PREPARATION OPERATION
aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean and degrease:
-the inlet distributor joint face,
-the joint face of the injector holder shim.
aparts always to be replaced: inlet distributor
seal.
132371
132438
132439
WARNING
To ensure proper sealing, the gasket surfaces
must be clean, dry and not greasy (avoid any fin-
ger mar ks).
WARNING
Do not scrape the joint faces of the aluminium,
any damage caused to the joint face will result in
a risk of leaks.

12A-43
FUEL MIXTURE
Inlet distributor: Removal - Refitting
K4M
12A
aFit new seals to the inlet distributor.
When replacing the inlet distributor
aparts always to be replaced: Throttle valve seal.
aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean and degrease:
-the throttle valve joint face if it is to be re-used,
-the inlet distributor seal housing.
aRefit:
-a new seal on the inlet distributor,
-the throttle valve.
aIn order, torque tighten the throttle valve bolts (10
N.m).
aRefit:
-the oil vapour rebreathing pipe,
-the heat shield,
-the air inlet pressure sensor,-the air inlet temperature sensor.
II - REFITTING OPERATION
aRefit:
-a new seal between the injector holder shim and
the inlet distributor,
-the inlet distributor.
aTighten to torque and in order the inlet distributor
bolts (12 N.m).
III - FINAL OPERATION
aConnect the petrol vapour recirculation pipe.
aPosition the wiring.
aClip on the wiring.
aConnect:
-the camshaft dephaser solenoid valve connector,
-the air inlet pressure sensor connector,
-the connector of each coil,
-the air inlet temperature sensor connector,
-the brake servo non-return valve,
-the throttle valve connector.
aRefit the air outlet pipe onto the air filter unit.
aConnect:
-the air outlet pipe of the air filter unit,
-the oil vapour rebreathing pipe on the air filter unit
air outlet pipe. WARNING
The joint faces must be clean, dr y and free from
grease (avoid finger marks).
WARNING
Do not scrape the joint faces of the aluminium,
any damage caused to the joint face will result in
a risk of leaks.
132383
132371