2009 RENAULT TWINGO RS exhaust

12B-17
TURBOCHARGING
Turbocharger oil pipe: Removal - Refitting
C44, and K9K
12B
2 - Oil return pipe
aRemove the bolts (3) of the oil return pipe from the
turbocharger.
aIn the direction of the arrows, rotate the oil return
pipe of the turbocharger to facilitate its removal.
aRemove the turbocharger oil pipe from the cylinder
block.
REFITTING
I - REMOVAL PREPARATION OPERATION
aAlways replace:
-the turbocharger oil supply pipe,
-the flat seal of the oil return pip on the turbocharg-
er,
-the O-ring of the oil return pip on the turbocharger.
aLubricate the O-ring of the oil return pipe on the tur-
bocharger with engine oil.
II - REFITTING OPERATION FOR PART
CONCERNED
1 - Turbocharger oil supply pipe
aFit the turbocharger oil supply pipe.
aRefit:
-the turbocharger oil supply pipe nut on the cylinder
head,-the bolt of the turbocharger oil supply pipe onto the
turbocharger.
aTorque tighten:
-the nut of the oil supply pipe on the cylinder
head ( 35 Nm) using the (Mot. 1746),
-the bolt of the turbocharger oil supply pipe on
the turbocharger (14 Nm).
2 - turbocharger oil return pipe
aFit the oil return pipe on the cylinder block.
aRefit the turbocharger oil return pipe bolts.
aTorque tighten the turbocharger oil return pipe
bolts (12 N.m).
III - FINAL OPERATION.
1 - Turbocharger oil supply pipe
aRefit:
-the exhaust gas recirculation solenoid valve (see
14A, Antipollution, Exhaust gas recirculation
solenoid valve: Removal - Refitting, page 14A-
10) ,
-the air filter box (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing).
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
2 - turbocharger oil return pipe
aRefit the catalytic converter (see 19B, Exhaust,
Catalytic converter: Removal - Refitting, page
19B-12) .
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
aRefit the engine cover.
127899

13B-9
DIESEL INJECTION
Diesel injection: List and location of components
K9K, and 740
13B
121436
(11) Pre-postheating unit
120039
(12) Turbocharging pressure sensor
(13) Exhaust gas recirculation sole-
noid valve
(14) Coolant temper ature sensor
(15) Turbocharger upstream inlet air
temperature sensor
(16) Turbocharger downstream inlet
air temperature sensor
120326
(17) Cylinder position sensor
120327
(18) Engine speed and position sen-
sor

13B-11
DIESEL INJECTION
Diesel injection: List and location of components
K9K, and 718
13B
141220
(11) Pre-postheating unit
120039
(12) Turbocharger pressure sensor
(13) Exhaust gas recirculation sole-
noid valve
(14) Coolant temper ature sensor
(15) Air inlet temperature sensor
upstream of the turbocharger
(16) Air inlet temperature sensor
downstream of the turbocharger
120326
(17) Cylinder reference sensor
120327
(18) Crankshaft position sensor

14A-10
ANTIPOLLUTION
Exhaust gas recirculation solenoid valve: Removal - Refitting
K9K
14A
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aConsumables (see Vehicle: Parts and consuma-
bles for the repair) (02A, Parts and consumables):
-ABRASIVE PAD,
-SURFACE CLEANER.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove:
-the engine cover,
-the air filter box (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the bolts (1) from the exhaust gas recirculation so-
lenoid valve,
-the exhaust gas recirculation solenoid valve,
-the exhaust gas recirculation solenoid valve seal.
REFITTING
I - REFITTING PREPARATIONS OPERATION
aUsing the ABRASIVE PADS, clean the joint faces of
the exhaust gas recirculation solenoid valve.
aAfterwards, degrease these bearing faces using
SURFACE CLEANER and clean cloths.
aRefit a new seal on the exhaust gas recirculation so-
lenoid valve.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the exhaust gas recirculation solenoid valve with its
new seal,
-the bolts to the exhaust gas recirculation solenoid
valve.
aTorque tighten the exhaust gas recirculation sole-
noid valve bolts (10 Nm).
III - FINAL OPERATION.
aRefit:
-the air filter box (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the engine cover.
aIf the EGR solenoid valve is being replaced, carry
out the necessary programming (see MR 413 Fault
finding, 13B, Fault finding - Replacement of com-
ponents, Operation for replacing the EGR sole-
noid valve). Tightening torquesm
exhaust gas recircula-
tion solenoid valve bolts10 Nm
121637

14A-11
ANTIPOLLUTION
Exhaust gas cooler: Removal - Refitting
K9K
14A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aDisconnect the battery (see ) (80A, Battery).
aRemove:
-the engine cover,
-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 air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the EGR solenoid valve (see 14A, Antipollution,
Exhaust gas recirculation solenoid valve: Re-
moval - Refitting, page 14A-10) ,
-the lower engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the catalytic converter (see 19B, Exhaust, Cata-
lytic converter: Removal - Refitting, page 19B-
12) ,-the exhaust gas recirculation rigid pipe (see 14A,
Antipollution, Exhaust gas recirculation rigid
pipe: Removal - Refitting, page 14A-19) ,
-the exhaust gas recirculation assembly (see 14A,
Antipollution, Exhaust gas recirculation as-
sembly: Removal - Refitting, page 14A-15) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUsing the workbench, remove:
-the cooler bolts (1) on its mounting (gearbox side),
-the mounting on the gearbox side,
-the mounting seal on the gearbox side. Tightening torquesm
mounting bolts (gear-
box side) on the cooler12 N.m
bolts of the exhaust gas
recirculation rigid pipe
on the exhaust gas
cooler12 N.m
bolts of the exhaust gas
recirculation rigid pipe
bracket25 N.m
mounting bolts on the
cooler12 N.m
exhaust gas recircula-
tion r igid pipe bolts36 N.m
K9K, and 718
141215
141216

14A-12
ANTIPOLLUTION
Exhaust gas cooler: Removal - Refitting
K9K
14A
aUsing the workbench, remove:
-the cooler bolts (2) on its mounting (timing end),
-the mounting on the timing end,
-the mounting seal on the timing end,
-the cooler bolts on its mounting (gearbox side),
-the mounting (3) on the gearbox side,
-the mounting seal on the gearbox side.
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: exhaust gas cooler
seal
aparts always to be replaced: Exhaust gas cooler
cover seal
aparts always to be replaced: Exhaust gas recir-
culation pipe seal
aparts always to be replaced: Exhaust gas recir-
culation rigid pipe
aUse an ABRASIVE PAD (see Vehicle: Parts and
consumables for the repair) (04B, Consumables -
Products) to clean the bearing faces:
-the intercooler and its mountings,
-the coolant circulation cover within the exhaust gas
cooler.
aUse CLEAN CLOTHS and SURFACE CLEANER
(see Vehicle: Parts and consumables for the re-
pair) (04B, Consumables - Products) to degrease
the bearing faces. K9K, and 740
121638
121640
K9K, and 718
WARNING
Ensure that the seals between the cooler and its
two supports are correctly positioned to avoid
any coolant leaks.

14A-13
ANTIPOLLUTION
Exhaust gas cooler: Removal - Refitting
K9K
14A
II - REFITTING OPERATION FOR PART
CONCERNED
aOn the workbench, refit the following to the intercoo-
ler:
-a new mounting seal on the gearbox side,
-the mounting on the gearbox side,
-the mounting bolts (gearbox side) onto the inter-
cooler without tightening them,
-a new exhaust gas recirculation rigid pipe,
-the bolts of the exhaust gas recirculation rigid pipe
bracket on the cooler without tightening them.
aFit the exhaust gas recirculation assembly onto the
cylinder head.
aAdjust the mounting (gearbox side) and the exhaust
gas recirculation rigid pipe until they are flat against
the cylinder head.
aFit the exhaust gas recirculation unit assembly bolts,
without tightening them.
aTighten the bolts of the mounting (gearbox side) and
of the exhaust gas recirculation rigid pipe on the ex-
haust gas cooler to secure them on the exhaust gas
cooler.
aRemove the exhaust gas recirculation assembly.
aOn the workbench, torque tighten:
-the mounting bolts (gearbox side) on the cooler
(12 N.m),
-the bolts of the exhaust gas recirculation rigid
pipe on the exhaust gas cooler (12 N.m),
-the bolts of the exhaust gas recirculation rigid
pipe bracket (25 N.m).aOn the workbench, refit the following to the intercoo-
ler:
-a new mounting seal on the gearbox side,
-the mounting on the gearbox side,
-the mounting bolts (gearbox side) onto the inter-
cooler without tightening them,
-a new mounting seal on the timing end,
-the mounting on the timing end,
-the mounting bolts (timing end) onto the intercooler
without tightening them.
aFit the exhaust gas recirculation assembly onto the
cylinder head.
aAdjust the two mountings until they are flat against
the cylinder head.
aFit the exhaust gas recirculation unit assembly bolts,
without tightening them.
aTighten the bolts of the two mountings on the ex-
haust gas cooler to immobilise them on the exhaust
gas cooler.
aRemove the exhaust gas recirculation assembly.
aOn the workbench, torque tighten the mounting
bolts on the cooler (12 N.m).
III - FINAL OPERATION
aRefit the exhaust gas recirculation assembly (see
14A, Antipollution, Exhaust gas recirculation as-
sembly: Removal - Refitting, page 14A-15) . K9K, and 718
Note:
The cooler must absolutely be able to move in
relation to the mounting (gearbox side) and to the
exhaust gas recirculation rigid pipe so that it can
be properly adjusted afterwards on the cylinder
head.
K9K, and 740
Note:
The cooler must absolutely be able to move in
relation to its tw o mountings so that it can be
properly adjusted afterwards on the cylinder
head.

14A-14
ANTIPOLLUTION
Exhaust gas cooler: Removal - Refitting
K9K
14A
aRefit the bolts (4) of the exhaust gas recirculation
rigid pipe on the exhaust manifold.
aTorque tighten the exhaust gas recirculation rigid
pipe bolts (36 N.m).
aRefit the rigid exhaust gas recirculation pipe (see
14A, Antipollution, Exhaust gas recirculation rig-
id pipe: Removal - Refitting, page 14A-19) .
aRefit:
-the catalytic converter (see 19B, Exhaust, Cata-
lytic converter: Removal - Refitting, page 19B-
12) ,
-the lower engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the EGR solenoid valve (see 14A, Antipollution,
Exhaust gas recirculation solenoid valve: Re-
moval - Refitting, page 14A-10) ,
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing),
aTop up the coolant level.
aConnect the battery (see ) (80A, Battery).
aBleed the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
aRefit the engine cover. K9K, and 718
141224
K9K, and 740