RENAULT TWINGO 2009 2.G Engine And Peripherals Workshop Manual

12A-16
FUEL MIXTURE
Air filter unit: Removal - Refitting
D7F
12A
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aParts always to be replaced :
-the air filter.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove the anti-interference wire bolt.
aDisconnect the ignition coil connector (1) .
aRemove the ignition coil bolts (2) .
aMove aside the ignition coil.
aRemove the air filter box cover (3) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect:
-the non-return valve pipe on the brake servo,
-the petrol vapour rebreather pipe union from the in-
take distributor.
aMove aside the air filter box air inlet duct.
aUndo the air filter box air outlet duct clip.
aRemove the air filter box air outlet duct.
aUnclip the air filter box elastic straps.
aRemove:
-the air filter box,
-the air filter from the air filter unit.
REFITTING
I - REFITTING PREPARATIONS OPERATION
If reusing the air filter box
aUse a compressed air nozzle to clean the air filter
housing to get rid of any foreign bodies.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the air filter box fitted with a new seal.
aClip on the air filter box elastic straps.
aRefit the air filter box air outlet duct.
aTighten the air filter box air outlet duct clip.
aRefit the air filter box air inlet duct.
aConnect:
-the non-return valve pipe on the brake servo,
-the petrol vapour rebreather pipe union from the in-
take distributor.
III - FINAL OPERATION.
aFit the ignition coil.
aRefit the ignition coil bolts.
aConnect the connector of the ignition coil.
aRefit the anti-interference wire bolt. Equipment required
compressed air nozzle
120404

12A-17
FUEL MIXTURE
Air filter unit: Removal - Refitting
D4F, and 780 or 782
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the air inlet pipe from the air filter unit (1)
.
aMove aside the air inlet pipe from the air filter unit.
aUnclip the wiring (2) from the oxygen sensor up-
stream of the air filter unit.
aRemove the bolts (3) from the air filter unit.
aLoosen the clip (4) on the air filter unit air outlet pipe
by gently moving it away from the air filter unit.
aDisconnect the air filter unit air outlet pipe from the
air filter unit.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the air filter unit.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the air filter unit.II - FINAL OPERATION
aConnect the air filter unit air outlet pipe to the air filter
unit.
aTighten the clip of the air filter unit air outlet pipe on
the air filter unit.
aRefit the air filter unit bolts.
aClip the upstream oxygen sensor wiring onto the air
filter unit.
aRefit the air filter unit air inlet pipe.
122395
Note:
Position the air filter unit centring pin in the slot
provided for it.

12A-18
FUEL MIXTURE
Air filter unit: Removal - Refitting
K4M
12A
REMOVAL
REMOVAL OPERATION
aLoosen the clip (1) of the air outlet pipe on the air fil-
ter unit.
aDisconnect the air outlet pipe from the air filter unit.
aMove aside the air filter unit in the order of the ar-
rows.
aDisconnect the air inlet pipe from the air filter unit.
aRemove the air filter unit.
REFITTING
REFITTING OPERATION
aConnect the air inlet pipe to the air filter unit.
aRefit the air filter unit.
aConnect the air outlet pipe of the air filter unit.
aTorque tighten the clip of the air outlet pipe on the
air filter unit3 (.5 N.m). Tightening torquesm
clip of the air outlet pipe
on the air fi lter unit3.5 N.m
131778

12A-19
FUEL MIXTURE
Air resonator: Removal - Refitting
K4M
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the engine undertray,
-the front left-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the front left-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection).
II - REMOVAL OPERATION
aRemove the air resonator mounting bolts (1) .aDisconnect the air resonator pipe (2) .
aRemove the air resonator .
REFITTING
I - REFITTING OPERATION
aRefit the air resonator.
aConnect the air resonator pipe.
II - FINAL OPERATION
aRefit:
-the front left-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front left-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the engine undertray.
131764
131765

12A-20
FUEL MIXTURE
Throttle valve: Removal - Refitting
D4F, and 772
12A
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) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the throttle valve connector.
aRemove:
-the throttle valve bolts,
-the throttle valve,
-the throttle valve seal.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aparts always to be replaced: Throttle valve seal.aRefit:
-the new seal on the throttle valve,
-the throttle valve,
-the throttle valve bolts.
aTorque tighten the throttle valve bolts (10 N.m).
aConnect the throttle valve connector.
II - FINAL OPERATION
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).
aReinitialise the programming of the stops (see Fault
finding - Replacement of components) (17B,
Petrol injection). Tightening torquesm
throttle valve bolts10 N.m
108810

12A-21
FUEL MIXTURE
Throttle valve: Removal - Refitting
D4F, and 780 or 782
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see ) (80A, Battery).
a
aDisconnect the air inlet pipe from the air filter box (3)
.
aMove aside the air inlet pipe from the air filter unit.
aRemove the bolt (4) of the intercooler air inlet pipe
from the throttle valve. Tightening torquesm
throttle valve bolts10 N.m
122833
122673
Note:
If the intercooler air inlet pipe tightening clip (1) is
removed, the flexible rubber pipe (2) and the
tightening clip (1) must be replaced.

12A-22
FUEL MIXTURE
Throttle valve: Removal - Refitting
D4F, and 780 or 782
12A
aMove the intercooler air inlet pipe clip away from the
turbocharger in the direction of the arrow (5) .
aDisconnect the intercooler air inlet pipe from the tur-
bocharger.
aMove aside the intercooler air inlet pipe.
aDisconnect the vacuum pipe on the turbocharger
discharge solenoid valve (7) .aRemove the intercooler air outlet pipe bolts (8) from
the throttle valve.
aMove the intercooler air outlet pipe to one side.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the throttle valve connector (9) .
aUnclip the throttle valve wiring.
aRemove:
-the throttle valve bolts (10) , Note:
If the clip (6) is removed from the heat resistant
protector, the latter must be replaced.
122394
122390
122391

12A-23
FUEL MIXTURE
Throttle valve: Removal - Refitting
D4F, and 780 or 782
12A
-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 the bearing faces:
-on the inlet distributor,
-on the throttle valve if it is to be reused.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-a new seal on the throttle valve,
-the throttle valve,
-the throttle valve bolts.
aTorque tighten the throttle valve bolts (10 N.m).
aConnect the throttle valve connector.
aClip the wiring onto the throttle valve.
III - FINAL OPERATION
aRefit:
-the intercooler air outlet pipe on the throttle valve,
-the intercooler air outlet pipe bolts.
aTighten the intercooler air outlet pipe bolts.
aConnect the vacuum pipe onto the turbocharger dis-
charge solenoid valve.aPush the intercooler air inlet pipe clip in the direction
of the arrow (11) .
aFit the intercooler air inlet pipe.
aConnect the intercooler air inlet pipe on the turbo-
charger.
aRefit the intercooler air inlet pipe bolt on the throttle
valve.
aFit the air filter box air inlet pipe.
aConnect:
-the air filter unit air inlet pipe,
-the battery (see ) (80A, Battery).
aProgram the throttle valve (see Fault finding - Re-
placement of components) (17B, Petrol injection).
122666

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-25
FUEL MIXTURE
Throttle valve: Removal - Refitting
K4M
12A
II - REFITTING OPERATION
aRefit:
-a new seal on the inlet distributor,
-the throttle valve.
aIn order, torque tighten the throttle valve bolts (10
N.m).
aConnect the throttle valve connector.
III - FINAL OPERATION
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.
aTorque tighten:
-the clip of the air filter unit air outlet pipe on the
throttle valve (3.5 N.m),
-the clip of the air filter unit air outlet pipe on the
air filter unit (3.5 N.m).
132383