2009 RENAULT TWINGO fuel

17B-16
PETROL INJECTION
Oxygen sensors: Removal - Refitting
D4F, and 780 or 782
17B
2 - Removal of the downstream oxygen sensor
aDisconnect the catalytic converter downstream oxy-
gen sensor connector (5) .
aUnclip the downstream oxygen sensor connector
from the catalytic converter.
aUnclip the wiring of the catalytic converter down-
stream oxygen sensor at (6) .
aRemove the downstream oxygen sensor (7) from
the catalytic converter using the tool (Mot. 1495-01).
REFITTING
REFITTING OPERATION FOR PART CONCERNED
1 - Refitting the upstream oxygen sensor
aRefit the upstream oxygen sensor.
aTorque tighten the upstream oxygen sensor (45
N.m) using the (Mot. 1495-01).
aRefit:
-the turbocharger heat shield,
-the turbocharger heat shield bolts.
aTorque tighten the turbocharger heat shield bolts
(8 N.m).
aClip:
-the upstream oxygen sensor wiring,
-the upstream oxygen sensor connector onto the
rocker cover.aConnect the upstream oxygen sensor connector.
aRefit the air filter unit (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) .
2 - Refitting the downstream oxygen sensor
aRefit the downstream oxygen sensor.
aTorque tighten the downstream oxygen sensor
(45 N.m) using the tool (Mot. 1495-01).
aClip the downstream oxygen sensor wiring onto the
catalytic converter.
aClip the downstream oxygen sensor connector onto
the catalytic converter.
aConnect the downstream oxygen sensor connector.
121774

17B-25
PETROL INJECTION
Crankshaft position sensor: Removal - Refitting
D4F or D7F
17B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove the air filter box (see 12A, Fuel mixture,
Air filter unit: Removal - Refitting, page 12A-13) .
aRemove the engine wiring bolt from the gearbox.
aMove the engine wiring harness to one side.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the engine speed and position sensor
connector.
aRemove the bolts (1) from the engine speed and po-
sition sensor.
aRemove the engine speed and position sensor.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the engine speed and position sensor,
-the engine speed and position sensor bolts.aConnect the engine speed and position sensor con-
nector.
II - FINAL OPERATION.
aConnect the engine wiring to the gearbox.
aRefit the engine wiring bolt to the gearbox.
aRefit the air filter box (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) . D4F
121409
D4F

17B-27
PETROL INJECTION
Injector rail - Injectors: Removal - Refitting
D4F, and 772
17B
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aPièces à remplacer systématiquement :
-injector O-ring's,
-injector retaining clips.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see Battery: Removal - Re-
fitting) ).
aRemove:
-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) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
On the workbench
aDisconnect the injector wiring harness.
aRemove:
-the injector rail bolts (1) ,
-the injector rail,
-the injector wiring harness.
aRemove:
-the clips (2) from the injectors, 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.
IMPORTANT
Wear latex gloves during the operation.
107885
101492

17B-28
PETROL INJECTION
Injector rail - Injectors: Removal - Refitting
D4F, and 772
17B
-the injectors (3) .
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the injectors,
-the injector clips,
-the injector wiring harness,
-the injector rail,
-the injector rail bolts.
aConnect the injector wiring harness.
II - FINAL OPERATION.
aRefit:
-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) .
aConnect the battery (see Battery: Removal - Refit-
ting) ).

17B-29
PETROL INJECTION
Injector rail - Injectors: Removal - Refitting
D4F, and 780 or 782
17B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see ) (80A, Battery).
a
aDisconnect the air filter unit air inlet pipe (3) on the
air filter unit cover.
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
injector rail - injector
bolts4.5 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 goggles with side protectors for this opera-
tion.
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
122833
122673
Note:
If the tightening clip (1) of the intercooler air inlet
pipe is removed, the flexible rubber pipe (2) and
the tightening clip (1) must be replaced.

17B-31
PETROL INJECTION
Injector rail - Injectors: Removal - Refitting
D4F, and 780 or 782
17B
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the dipstick.
aDisconnect:
-the oil vapour rebreathing pipe from the inlet dis-
tributor (9) ,
-the injector rail electrical wiring connector (10) ,
-the injector rail fuel supply pipe (11) .aRemove:
-the injector rail bolts (12) ,
-the « injector rail - injector » assembly by pulling it
gently.
aDisconnect the injector electrical wiring connectors.
aRemove the electrical wiring from the « injector rail -
injector » assembly.
aRemove:
-the clips (13) from the injectors,
-the injectors (14) .
122389
122388
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to r un.
120955
101492

17B-32
PETROL INJECTION
Injector rail - Injectors: Removal - Refitting
D4F, and 780 or 782
17B
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: injector clip on in-
jector rail.
aparts always to be replaced: injector seal.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the injectors with new seals,
-new clips on the injectors,
-the injector rail - injector electrical wiring.
aConnect the connectors of the electrical wiring to the
injectors.
aRefit:
-the « injector rail - injector » assembly,
-the « injector rail - injector » assembly bolts.
aTorque tighten the injector rail - injector bolts (4.5
N.m).
aConnect:
-the fuel supply pipe on the injector rail,
-the electrical wiring connector to the injector rail,
-the oil vapour rebreathing pipe on the inlet distribu-
tor.
aRefit the dipstick.
III - FINAL OPERATION
aFit the petrol vapour rebreathing pipe.
aClip on the petrol vapour rebreathing pipe.
aConnect the petrol vapour rebreathing pipe to:
-the air outlet pipe of the air filter unit,
-the inlet distributor.aPush the clip of the intercooler air inlet pipe in the di-
rection of the arrow (15) .
aConnect the intercooler air inlet pipe on the turbo-
charger.
aRefit the bolt of the intercooler air inlet pipe on the
throttle valve.
aFit the air filter unit air inlet pipe.
aConnect:
-the air filter unit air inlet pipe on the air filter unit
cover,
-the battery (see ) (80A, Battery).
122666

17B-33
PETROL INJECTION
Injector rail - Injectors: Removal - Refitting
K4M
17B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see ) (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).a
aDisconnect the fuel supply pipe (1) from the injector
rail.
aInsert the blanking plugs.
aRemove the inlet distributor (see 12A, Fuel mixture,
Inlet distributor: Removal - Refitting, page 12A-
29) . Tightening torquesm
injector rail bolts10 N.m
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
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 goggles with side protectors for this opera-
tion.
131767
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to r un.