fuel RENAULT TWINGO 2009 2.G Engine And Peripherals Owners Manual

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

12A-26
FUEL MIXTURE
Throttle valve: Cleaning
D4F or D7F or K4M
12A
CLEANING
I - CLEANING PREPARATION OPERATION
aRemove the throttle valve (see 12A, Fuel mixture,
Throttle valve: Removal - Refitting, page 12A-20)
.
II - CLEANING THE PART CONCERNED
a
aRemove the seal(s) of the throttle valve.aHold the throttle valve flap open manually.
aSpray CARBURETTOR CLEANER (see Vehicle:
Parts and consumables for the repair) (04B, Con-
sumables - Products) into the air vent until all traces
of clogging have disappeared. Equipment required
compressed air nozzle
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
IMPORTANT
Always wear protective gear (gloves, goggles and
breathing masks).
Note:
Be sure to work in a clean environment so as not to
allow any contamination of the throttle valve.
Note:
The CARBURETTOR CLEANING product dam-
ages the seals.
124736
Note:
Do not spray any cleaning product onto the out-
side of the cylinder, inside the spring housing or
onto the connector.

12A-27
FUEL MIXTURE
Throttle valve: Cleaning
D4F or D7F or K4M
12A
aRemove the residues of CARBURETTOR CLEAN-
ER and the residual dirt using a LINT-FREE CLOTH
(see Vehicle: Parts and consumables for the re-
pair) (04B, Consumables - Products).
aUse a compressed air nozzle to blast the throttle
valve edges and the air vent.
parts always to be replaced: Throttle valve seal.III - FINAL OPERATION
aRefit the throttle valve (see 12A, Fuel mixture,
Throttle valve: Removal - Refitting, page 12A-20)
.
124737
124738
Note:
If the throttle valve is dropped or receives any
other impact, it will need to be replaced.

12A-28
FUEL MIXTURE
Air flowmeter: Removal - Refitting
C44, and K9K
12A
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aParts always to be replaced:
-the air flowmeter seal on the air filter box.
REMOVAL
I - OPERATION FOR PREPARATION OF PART
CONCERNED
aRemove the air filter box (see 12A, Fuel mixture,
Air filter unit: Removal - Refitting, page 12A-13) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aon the workbench, remove the two bolts (1) from the
air flowmeter on the air filter box.
aRemove the air flowmeter seal on the air filter box
and discard it.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-a new air flowmeter seal on the air filter box,
-the air flowmeter on the air filter box,
-the air flowmeter bolts.II - FINAL OPERATION.
aRefit the air filter box (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) .
24834

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