sensor RENAULT TWINGO 2009 2.G Engine And Peripherals Workshop Manual

19B-20
EXHAUST
Catalytic converter: Removal - Refitting
D4F, and 780 or 782
19B
-the new nuts with the catalytic converter spacers
on the turbocharger.
aAttach the downstream oxygen sensor wiring har-
ness to the catalytic converter.
aClip on the catalytic converter downstream oxygen
sensor connector.
aConnect the catalytic converter downstream oxygen
sensor connector.
III - FINAL OPERATION
aRefit:
-the catalytic converter lower exhaust bracket,
-the bracket bolt on the gearbox,
-the bracket bolts on the engine,
-the catalytic converter side exhaust bracket,
-the catalytic converter side bracket bolts,
-the engine side bracket bolts.
aTorque tighten:
-the catalytic converter lower bracket bolt on the
gearbox (44 N.m),
-the bolts of the catalytic converter lower brack-
et on the engine (25 N.m),
-the side bracket bolts on the catalytic converter
(21 N.m),
-the side bracket bolts on the engine (21 N.m),
-the catalytic converter nuts on the turbocharger
(initial torque) (20 N.m),
-the catalytic converter nuts on the turbocharger
(30 N.m),
-the bolts of the catalytic converter lower brack-
et on the catalytic converter (initial torque) (20
N.m),
-the bolts of the catalytic converter lower brack-
et on the catalytic converter (30 N.m).
aRefit:
-the exhaust downpipe,
-the intermediate pipe clip.
aTighten the intermediate pipe clip.
aRefit the exhaust downpipe bolts on the catalytic
converter.
aTorque tighten the exhaust downpipe bolts (21
N.m).aRefit:
-the rear suspended engine mounting (see 19D,
Engine mounting, Lower engine tie-bar: Re-
moval - Refitting, page 19D-18) ,
-the turbocharger strut.
-the catalytic converter strut bolt on the rocker cov-
er,
-the catalytic converter strut nut.
aTorque tighten:
-the catalytic converter strut nut (21 N.m),
-the catalytic converter strut bolt on the rocker
cover (21 N.m).
aPosition the turbocharger air outlet pipe.
aPush the turbocharger air outlet pipe clip (15) in the
direction of the arrow.
aConnect the turbocharger air outlet pipe onto the tur-
bocharger.
aRefit:
-the turbocharger air outlet rigid pipe bolt on the
throttle valve,
-the upstream oxygen sensor (see 17B, Petrol in-
jection, Oxygen sensors: Removal - Refitting,
page 17B-13) ,
-the air filter box strut,
-the air filter box strut bolt,
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) .
122666

19C-4
TANK
Fuel tank: Removal - Refitting
D4F or D7F or K4M or K9K
19C
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 Battery: Removal - Re-
fitting) (80A, Battery).
aDrain the fuel tank (see 19C, Tank, Fuel tank:
Draining, page 19C-1) .
aLift up:
-the rear bench seat,
-the carpet.
aRemove the access flap (1) to the fuel level sensor
module. Equipment requiredcomponent support
Tightening torquesm
tank bolts21 N.m
exhaust pipe rubber
mounting bush bolt21 N.m
clip between the cata-
lytic converter and the
rear silencer21 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 leaktight gloves (Nitrile type) for this opera-
tion.
IMPORTANT
Wear goggles with side protectors for this opera-
tion.
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.
119692

19C-5
TANK
Fuel tank: Removal - Refitting
D4F or D7F or K4M or K9K
19C
aDisconnect:
-the fuel level sensor module connector (2) ,
-the fuel level sensor module pipe union (3) .
aRemove the rear wheels (see Wheel: Removal -
Refitting) (35A, Wheels and tyres).
aRemove the rear brake drums (see Rear brake
drum: Removal - Refitting) (33A, Rear axle com-
ponents).
aUnclip:
-the handbrake cable from the secondary brake
shoe,
-the handbrake cable from the flange.aRemove:
-the clip (4) between the catalytic converter and the
rear silencer,
-the exhaust pipe rubber mounting bush bolt (5) .
119691
WARNING
To prevent impurities from entering the circuit,
place protective plugs on all fuel circuit compo-
nents exposed to the open air.
D4F or D7F or K9K
D4F or D7F or K9K
119689

19C-7
TANK
Fuel tank: Removal - Refitting
D4F or D7F or K4M or K9K
19C
aRemove:
-the clip (8) between the catalytic converter and the
expansion chamber,
-the exhaust pipe rubber mounting bush bolt (9) ,
-the heat shield clips under the tank,
-the heat shield under the tank.aOpen the ABS sensor connector protective unit (10)
.
aDisconnect the ABS sensor connectors (11) .
aDetach the anti-lock braking connectors protective
housing from the tank. K4M
131773
119438
119437

19C-9
TANK
Fuel tank: Removal - Refitting
D4F or D7F or K4M or K9K
19C
aDetach the brake cables (16) on the tank.
aFit a component support under the fuel tank.
aRemove:
-the tank bolts (17) ,
-the tank.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the tank.
aTorque tighten the tank bolts (21 N.m).
aAttach the brake cables to the tank.
aConnect the filler pipe.
aRefit the filler pipe clip on the neck.
aConnect the anti-splashback pipe.aRefit the fuel vapour absorber (see 14A, Antipollu-
tion, Fuel vapour absorber: Removal - Refitting,
page 14A-4) .
II - FINAL OPERATION.
aConnect the brake pipes to the body.
aRefit the rear brake hose mounting bolts.
aClip the protective housing of the ABS connectors
onto the tank.
aConnect the ABS sensor connectors.
aClose the anti-lock braking system sensor connector
protective housing.
aRefit:
-the heat shield under the tank.
-the heat shield clips under the tank,
-the exhaust system rubber mounting bush bolt,
-the clip between the catalytic converter and the ex-
pansion chamber,
aClip the calliper parking brake cables onto the tank
and the callipers.
119652
119685
D4F or D7F or K4M
K4M

19C-10
TANK
Fuel tank: Removal - Refitting
D4F or D7F or K4M or K9K
19C
aRefit:
-the heat shield under the tank,
-the heat shield clips under the tank
aTighten to torque:
-the exhaust pipe rubber mounting bush bolt (21
N.m),
-the clip between the catalytic converter and the
rear silencer (21 N.m).
aClip:
-the handbrake cable onto the flange,
-the handbrake cable onto the secondary brake
shoe.
aRefit the rear brake drums (see Rear brake drum:
Removal - Refitting) (33A,Rear axle components).
aRefit the rear wheels (see Wheel: Removal - Refit-
ting) (35A, Wheels and tyres).
aConnect:
-the fuel level sensor module pipe union,
-the fuel level sensor module connector.
aRefit the access flap for the fuel level sensor mod-
ule.
aRefit the rear bench seat.
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery). D4F or D7F or K9K

19C-13
TANK
Fuel level sensor module: Removal - Refitting
D4F or D7F or K4M or K9K
19C
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aDrain the tank (see 19C, Tank, Fuel tank: Draining,
page 19C-1) .
aLift up:
-the rear bench seat base (see Rear bench seat
base: Removal - Refitting) (76A, Rear seat
frames and runners),
-the carpet under the rear bench seat base.aRemove the inspection flap blanking cover (1) . Special tooling required
Mot. 1397Universal spanner for remov-
ing fuel gauge nuts .
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.
104545

19C-14
TANK
Fuel level sensor module: Removal - Refitting
D4F or D7F or K4M or K9K
19C
aDisconnect:
-the fuel level sensor module connector (2) ,
-the fuel pipes (3) .aDisconnect:
-the fuel level sensor module connector (4) ,
-the fuel pipe (5) . D4F or D7F or K9K
18577
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
K4M
131774
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.

19C-15
TANK
Fuel level sensor module: Removal - Refitting
D4F or D7F or K4M or K9K
19C
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the nut from the fuel level sensor module using the
tool (Mot. 1397) (6) ,
-the fuel level sensor module.
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace:
-the nut of the fuel level sensor module,
-the fuel level sensor module seal.II - REFITTING OPERATION FOR PART
CONCERNED
aPosition:
-the new seal (8) in the neck correctly,
-the fuel level sensor module (7) on the fuel tank
(10) .
aUse a hand to press the fuel level sensor module to
grip the seal.
aManually pretighten the new nut (9) on the fuel tank.
104547
WARNING
To prevent the tank from deforming, refit the fuel
sender unit nut to the tank well immediately.
118996
Note:
A lug on the fuel level sensor module and a
recess in the fuel tank ensure correct positioning
in the fuel tank.

19C-16
TANK
Fuel level sensor module: Removal - Refitting
D4F or D7F or K4M or K9K
19C
aTighten the fuel level sensor module nut using the
tool (Mot. 1397) until the nut mark (11) corresponds
with the fuel tank mark (12) .
III - FINAL OPERATION
aConnect:
-the fuel pipe,
-the fuel level sensor module connector.
aConnect:
-the fuel pipes,
-the fuel level sensor module connector.
aRefit the inspection flap cover.
aFit:
-the carpet under the rear bench seat base.
-the rear bench seat base (see Rear bench seat
base: Removal - Refitting) (76A, Rear seat
frames and runners).
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
102470
K4M
D4F or D7F or K9K