2009 RENAULT TWINGO Engine And Peripherals Workshop Manual

19B-27
EXHAUST
Expansion chamber: Removal - Refitting
K4M
19B
aFit a new sleeve between the expansion chamber
and the silencer (see 19B, Exhaust, Exhaust: Pre-
cautions for the repair, page 19B-8) .
aTighten the sleeve while supporting the exhaust pipe
to ensure they are aligned.
aCheck:
-that all the exhaust pipe heat shields are in place
and properly attached.
-that there is no contact with the underbody,
-that there are no leaks.WARNING
Position the « nut and bolt securing the sleeve »
assembly so that the assembly cannot come into
contact with the underbody.

19B-28
EXHAUST
Intermediate pipe: Removal - Refitting
K9K
19B
PARTS AND CONSUMABLES FOR THE REPAIR
Pièces à remplacer systématiquement :
-any stud and/or nut from the damaged catalytic con-
verter,
-the exhaust system sealing ring on the catalytic con-
verter,
-clip.
Ingrédients :
-ABRASIVE PADS,
-SURFACE CLEANER.
REMOVING THE FRONT SECTION OF THE
INTERMEDIATE PIPE
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift ( (see Vehicle:
Towing and lifting) ).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the exhaust pipe springs and bolts on the catalytic
converter,
-the clip between the front section of the intermedi-
ate pipe and the intermediate pipe,
-the front section of the intermediate pipe,
-the sealing ring of the exhaust pipe on the catalytic
converter and throw it in the bin.
REFITTING THE FRONT SECTION OF THE
INTERMEDIATE PIPE
I - REFITTING PREPARATION OPERATION
aUsing RUBBING PADS clean the bearing faces of:
-on the catalytic converter,
-on the exhaust system.
aNext, degrease these bearing faces using SUR-
FACE CLEANER ( (see Vehicle: Parts and con-
sumables for the repair) ) and clean cloths.
II - REFITTING OPERATION FOR PART
CONCERNED
aFit the intermediate pipe, fitted with a new sealing
ring, onto the catalytic converter.
aRefit a new clip between the front section of the in-
termediate pipe and the intermediate pipe.
aRefit the exhaust pipe springs and bolts on the cata-
lytic converter.
aTorque tighten the exhaust pipe bolts on the cata-
lytic converter (21 Nm).
REMOVING THE INTERMEDIATE PIPE
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift ( (see Vehicle:
Towing and lifting) ).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the clip between the front section of the in-
termediate pipe and the intermediate pipe.
aRemove the intermediate pipe.
aCut the exhaust pipe (see 19B, Exhaust, Exhaust:
Precautions for the repair, page 19B-8) in the des-
ignated area to be cut (see ) .
aRemove:
-the intermediate pipe rubber mounting bush bolt on
the body,
-the connector pipe,
-the rubber mounting bush bolt on the intermediate
pipe,
-the intermediate pipe rubber mounting bush. Tightening torquesm
exhaust pipe bolts on
the catalytic converter21 Nm
IMPORTANT
Consult the safety and cleanliness advice and oper-
ation recommendations before carrying out any
repair (see 19B, Exhaust, Exhaust: Precautions
for the repair, page 19B-8) .

19B-29
EXHAUST
Intermediate pipe: Removal - Refitting
K9K
19B
REFITTING THE INTERMEDIATE PIPE
REFITTING OPERATION FOR PART CONCERNED
aRefit:
-the rubber mounting bush of the intermediate pipe,
-the rubber mounting bush bolt on the intermediate
pipe.
aFit the intermediate pipe.
aAttach the intermediate pipe to the vehicle using the
intermediate pipe rubber mounting bush bolt.
aFit a new After-Sales sleeve and follow the instruc-
tions (see 19B, Exhaust, Exhaust: Precautions
for the repair, page 19B-8) .
aRefit a new clip between the front section of the in-
termediate pipe and the intermediate pipe.
aCheck the following and deal with if necessary:
-that there is no contact with the underbody,
-the presence and correct positioning of all the ex-
haust pipe heat shields.
aStart the engine.
aCheck that there are no leaks and deal with them if
necessary.Note:
If replacing the rubber mounting bush, spray the
inside of the rubber mounting bush with BRAKE
CLEANER ( (see Vehicle: Parts and consum-
ables for the repair) ) in the form of an aerosol
spray to facilitate fitting.

19B-30
EXHAUST
Intermediate pipe: Removal - Refitting
D4F, and 772 – D7F
19B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the clip between the catalytic converter and
the intermediate pipe.
aRemove the intermediate pipe
aCut the exhaust pipe (see 19B, Exhaust, Exhaust:
Precautions for the repair, page 19B-8) in the des-
ignated area to be cut (see ) .
aRemove:
-the intermediate pipe rubber mounting bush bolt on
the body,
-the connector pipe,
-the rubber mounting bush bolt on the intermediate
pipe,
-the intermediate pipe rubber mounting bush.
REFITTING
REFITTING OPERATION FOR PART CONCERNED
aRefit:
-the rubber mounting bush of the intermediate pipe,
-the rubber mounting bush bolt on the intermediate
pipe.
aFit the intermediate pipe.
aAttach the intermediate pipe to the vehicle using the
intermediate pipe rubber mounting bush bolt.
aFit a new After-Sales sleeve and follow the instruc-
tions (see 19B, Exhaust, Exhaust: Precautions
for the repair, page 19B-8) .
aRefit a new clip between the front section of the in-
termediate pipe and the intermediate pipe.aCheck the following and deal with if necessary:
-that there is no contact with the underbody,
-the presence and correct positioning of all the ex-
haust pipe heat shields.
aStart the vehicle.
aCheck that there are no leaks and deal with them if
necessary.
Note:
If replacing the rubber mounting bush, spray the
inside of the rubber mounting bush with aerosol
spray BRAKE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Con-
sumables - Products) to facilitate fitting.

19B-31
EXHAUST
Silencer: Removal - Refitting
D4F or D7F or K9K
19B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
II - REMOVAL OPERATION FOR PART
CONCERNED
aRemove the expansion chamber rubber mounting
bush bolt from the body.
aCut the exhaust pipe (see 19B, Exhaust, Exhaust:
Precautions for the repair, page 19B-8) in the des-
ignated area to be cut (see ) .
aDetach the rubber mounting bush rear silencer.
aRemove the rear silencer.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
a
aFit:
-the rear silencer,
-the new After-Sales sleeve (see 19B, Exhaust,
Exhaust: Precautions for the repair, page 19B-
8) .
aTighten the exhaust trunking.
aRefit the expansion chamber rubber mounting bush
bolt on the body.II - FINAL OPERATION
aCheck (and correct if necessary):
-that there is no contact with the underbody,
-the presence and correct positioning of all the ex-
haust pipe heat shields.
aStart the vehicle.
aCheck that there are no leaks and deal with them if
necessary.
D4F, and 780
Note:
If replacing the rubber mounting bush, spray the
inside of the rubber mounting bush with brake
cleaner (see Vehicle: Parts and consumables
for the repair) (MR 411, 04B, Consumables -
products) to facilitate fitting.
D4F, and 780

19B-32
EXHAUST
Silencer: Removal - Refitting
K4M
19B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aCut the exhaust pipe (see 19B, Exhaust, Exhaust:
Precautions for the repair, page 19B-8) in the des-
ignated area to be cut (see ) .aUnclip the silencer from the rubber mounting bush at
(1) .
aRemove the silencer.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the silencer.
aClip the silencer onto the rubber mounting bush.
aFit a new sleeve between the expansion chamber
and the silencer (see 19B, Exhaust, Exhaust: Pre-
cautions for the repair, page 19B-8) .
aTighten the sleeve while supporting the exhaust pipe
to ensure they are aligned.
II - FINAL OPERATION.
aCheck:
-that all the exhaust pipe heat shields are in place
and properly attached.
-that there is no contact with the underbody,
-that there are no leaks. IMPORTANT
To avoid all risk of damage to the systems, apply
the safety and cleanliness instructions and opera-
tion recommendations before carrying out any
repair (see 19B, Exhaust, Exhaust: Precautions
for the repair, page 19B-8) .
IMPORTANT
Wear heat protective gloves during the operation.
WARNING
To prevent the surrounding components from over-
heating, do not damage (tear, pierce bend etc.) a
heat shield.
All damaged heat shields must be replaced.
131775
IMPORTANT
Position the « nut and bolt securing the sleeve »
assembly so that the assembly cannot come into
contact with the underbody.

19C-1
TANK
Fuel tank: Draining
K9K
19C
I - DRAINING PREPARATION OPERATION
aDisconnect the battery (see ) (MR 441, 80A, Bat-
tery).
aRemove the front engine cover.aDisconnect the engine fuel supply quick-release
union (1) from the fuel filter outlet.
II - DRAINING THE FUEL TANK
aConnect a pneumatic transfer pump for fuels to
the fuel filter outlet.
aDrain the fuel tank.
III - FINAL OPERATION.
aDisconnect the pneumatic transfer pump for fuels
from the fuel filter.
aConnect the engine fuel filter outlet engine supply
quick-release union to the fuel filter.
aRefit the engine cover.
aConnect the battery (see ) (MR 441, 80A, Battery). Equipment required
pneumatic transfer pump for fuels
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 latex gloves during the operation.
WARNING
To prevent impurities from entering the circuit, plugs
must be fitted to the openings of all the fuel circuit
components exposed to the open air.
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
121441

19C-2
TANK
Fuel tank: Draining
D4F or D7F or K4M
19C
I - DRAINING PREPARATION OPERATION
aDisconnect the battery (see ) (80A, Battery).
aRemove the engine oil filler neck.aDisconnect the fuel supply union (1) from the injector
rail.
aFit a T (Mot. 1311-08) union. Special tooling required
Mot. 1311-08Union for taking fuel pres-
sure measurements .
Equipment required
pneumatic transfer pump for fuels
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.
WARNING
To prevent impurities from entering the circuit, place
protective plugs on all fuel circuit components
exposed to the open air.
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
D4F
D4F
121778