2009 RENAULT TWINGO Engine And Peripherals Workshop Manual

17B-22
PETROL INJECTION
Petrol injection computer: Removal - Refitting
K4M
17B
II - REMOVAL OPERATION
aRemove the nuts (3) from the petrol injection com-
puter.
aDisconnect the connector (4) from the petrol injec-
tion computer.
aRemove the petrol injection computer.
REFITTING
I - REFITTING OPERATION
aConnect the petrol injection computer connectors.
aRefit the petrol injection computer
II - FINAL OPERATION
aRefit:
-the injection computer protector,
-the tamperproof bolts available from the Parts De-
partment.
aTighten the tamperproof bolts until the head splits.
aRefit the battery (see Battery: Removal - Refitting)
(80A, Battery).aCarry out the necessary configurations and/or pro-
gramming, using the Diagnostic tool (see Fault
finding - Replacement of components) (17B,
Petrol injection).
132447
RIGHT-HAND DRIVE

17B-23
PETROL INJECTION
Pinking sensor: Removal - Refitting
K4M
17B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove:
-the dipstick,
-the dipstick guide bolts (1) .
aMove aside the dipstick guide.aRemove:
-the alternator strut bolts (2) ,
-the alternator strut.
II - REMOVAL OPERATION
aDisconnect the pinking sensor connector (3) .
aRemove the pinking sensor using the tool (Emb.
1797). Special tooling required
Emb. 1797Socket (24 mm) for removal -
refitting of the clutch master
cylinder
Tightening torquesm
pinking sensor20 N.m
alter nator strut bolts25 N.m
132368
132363
132374

17B-24
PETROL INJECTION
Pinking sensor: Removal - Refitting
K4M
17B
REFITTING
I - REFITTING OPERATION
aRefit the pinking sensor.
aTorque tighten the pinking sensor (20 N.m) using
the tool (Emb. 1797).
aConnect the pinking sensor connector.
II - FINAL OPERATION
aRefit the alternator strut.
aTighten to torque and in order the alternator strut
bolts (25 N.m).
aRefit:
-dipstick guide ,
-the dipstick.
132363

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-26
PETROL INJECTION
Crankshaft position sensor: Removal - Refitting
K4M
17B
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.
II - REMOVAL OPERATION
aDisconnect the crankshaft position sensor connector
(1) .
aRemove:
-the crankshaft position sensor bolt (2) ,
-the crankshaft position sensor.
REFITTING
I - REFITTING OPERATION
aRefit the crankshaft position sensor.
aConnect the crankshaft position sensor connector.
II - FINAL OPERATION
aRefit the engine undertray.
132445

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.