2009 RENAULT TWINGO catalytic converter

Contents
Engine cooling fan assembly:
Removal - Refitting 19A-51
Coolant pump inlet pipe:
Removal - Refitting 19A-58
Expansion bottle: Removal -
Refitting 19A-64
Coolant temperature sensor:
Removal - Refitting 19A-66
19B EXHAUST
Exhaust: List and location of
components 19B-1
Exhaust: Precautions for the
repair 19B-8
Catalytic converter: Removal
- Refitting 19B-12
Expansion chamber :
Removal - Refitting 19B-23
Intermediate pipe: Removal -
Refitting 19B-28
Silencer : Removal - Refitting 19B-31
19C TANK
Fuel tank: Draining 19C-1
Fuel tank: Removal -
Refitting 19C-4
Filler neck: Removal -
Refitting 19C-11
Fuel level sensor module:
Removal - Refitting 19C-13 19A COOLING
19D ENGINE MOUNTING
Suspended engine
mounting: Tightening torque 19D-1
Left-hand suspended engine
mounting: Removal -
Refitting 19D-4
Right-hand suspended
engine mounting: Removal -
Refitting 19D-13
Lower engine tie-bar:
Removal - Refitting 19D-18

10A-6
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
K9K
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection). Special tooling required
Tav. 476Ball joint extractor.
Tav. 1233-01Tooling for carrying out opera-
tions on the axle subframe.
Equipment required
flywheel immobiliser
safety strap(s)
Tightening torquesm
lowe r cylinder block
bolts14 Nm
multifunction support
bolt on the sump25 N.m
sump bolts on the gear-
box casing44 Nm
subframe front bolts62 N.m
subframe rear bolts105 Nm
subframe rear tie rod
inner bolts21 N.m
subframe rear tie rod
outer bolts90 N.m
lower ball joint bolts62 N.m
track rod end nuts37 N.m
subframe tie-rod upper
bolts21 N.m
subframe tie-rod lower
bolts62 N.m
bolts of the front right-
hand driveshaft relay
bearing44 N.m
bolt of the front right-
hand driveshaft relay
bearing bracket21 N.m
relay bearing bolts on
the front right-hand
driveshaft44 N.m
right-hand driveshaft
relay bearing closure
panel bolts21 Nm
catalytic converter
upstream stay bolt on
the cylinder block44 N.m
catalytic converter
downstream stay bolt on
the sump44 Nm
catalytic converter
downstream stay bolts
on the catalytic con-
verter26 Nm
universal joint bolt24 N.m Tightening torquesm

10A-7
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
K9K
10A
aSet the wheels straight ahead.
aPosition the flywheel immobiliser.
aRemove the cover from the universal joint (do not
keep).
aRemove the bolt (1) from the universal joint (do not
keep).
aRemove the universal joint from the steering box.
aDrain the engine oil (see 10A, Engine and cylinder
block assembly, Engine oil: Draining - Refilling,
page 10A-22) .
aRemove the lower engine tie-bar (see 19D, Engine
mounting, Lower engine tie-bar: Removal - Refit-
ting, page 19D-18) .aUndo the catalytic converter upstream stay bolt (2)
on the sump by a few turns.
aRemove:
-the three catalytic converter upstream stay bolts (3)
,
-the catalytic converter upstream stay, by sliding it
in relation to the bolt remaining on the sump.
119544112328

10A-12
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
K9K
10A
-the subframe rear bolts (105 Nm),
-the subframe rear tie rod inner bolts (21 N.m),
-the subframe rear tie rod outer bolts (90 N.m).
aRefit the radiator mounting cross member (see Ra-
diator mounting cross member: Removal - Refit-
ting) (41A, Front lower structure).
aDetach the radiator and the intercooler from the up-
per cross member using a safety strap(s).
aDetach the radiator from the upper cross member
using a safety strap(s).
aRefit:
-the rear engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the lower ball joints,
-the track rod ends.
aTighten to torque:
-the lower ball joint bolts (62 N.m),
-the track rod end nuts (37 N.m).
aRefit the subframe tie rod upper bolts.
aTighten to torque:
-the subframe tie-rod upper bolts (21 N.m),
-the subframe tie-rod lower bolts (62 N.m).
aRefit the front right-hand driveshaft relay bearing
aTighten to torque:
-the bolts of the front right-hand driveshaft relay
bearing (44 N.m),
-the bolt of the front right-hand driveshaft relay
bearing bracket (21 N.m).aFit the relay bearing on its bearing on the front right-
hand driveshaft.
aTorque tighten the relay bearing bolts on the front
right-hand driveshaft (44 N.m).
aRefit the closure panel of the front right-hand drive-
shaft relay bearing
aTorque tighten the right-hand driveshaft relay
bearing closure panel bolts (21 Nm).
aRefit the catalytic converter upstream stay, by slid-
ing it in relation to the bolt remaining on the sump.
aTighten the following until contact is made and to tor-
que:
-the catalytic converter upstream stay bolt on
the cylinder block (44 N.m),
-the catalytic converter downstream stay bolt on
the sump (44 Nm),
-the catalytic converter downstream stay bolts
on the catalytic converter (26 Nm).
aFit the steering box universal joint equipped with a
new bolt.
aTorque tighten the universal joint bolt (24 N.m).
aRemove the flywheel immobiliser.
aRefit:
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres).
aFill up the engine oil (see 10A, Engine and cylinder
block assembly, Engine oil: Draining - Refilling,
page 10A-22) . K9K, and 718
K9K, and 740
K9K, and 718
K9K, and 740
Note:
Ensure that the right-hand dr iveshaft relay bear-
ing closure panel is refi tted the right way round.

10A-18
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
K4M
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the dipstick,
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the engine undertray.
aDrain the engine oil (see 10A, Engine and cylinder
block assembly, Engine oil: Draining - Refilling,
page 10A-22) .
aRemove:
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),-the rear engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the front axle subframe (see Front axle subframe:
Removal - Refitting) (31A, Front axle compo-
nents).
aRemove:
-the front right-hand driveshaft flange bolt (1) on the
relay bearing,
-the bolts (2) from the front right-hand driveshaft re-
lay bearing,
-the front right-hand driveshaft relay bearing. Tightening torquesm
sump bolts (initial
torque)14 N.m
sump bolts14 N.m
sump bolts on the gear-
box44 N.m
bolt mounting the multi-
function support on the
sump25 N.m
catalytic pre-converter
upstream bracket bolt44 N.m
driveshaft relay bearing
bolts44 N.m.
right-hand driveshaft
bracket bolt on the relay
bearing21 N.m
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
128800

10A-19
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
K4M
10A
aRemove the bolt (3) on the catalytic pre-converter
upstream bracket.
II - REMOVAL OPERATION
aRemove:
-the bolt (4) from the multifunction support on the
cylinder block,
-the sump bolts (5) on the gearbox,
-the sump bolts on the cylinder block,
-the sump,-the sump seal.
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: engine oil sump
seal.
aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean and degrease:
-the sump joint face if it is to be reused,
-the cylinder block gasket face.
132343
126231
WARNING
Do not scrape the joint faces of the aluminium,
any damage caused to the joint face will result in
a risk of leaks.
WARNING
The joint faces must be clean, dr y and free from
grease (avoid finger marks).

10A-21
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
K4M
10A
aPretighten in order (1) , (2) , (19) , (20) , (17) , (18)
the sump bolts (initial torque) (14 N.m).
aTighten to torque and in order the sump bolts (14
N.m).
aTorque tighten:
-the sump bolts on the gearbox (44 N.m),
-the bolt mounting the multifunction support on
the sump (25 N.m).
III - FINAL OPERATION
aTorque tighten the catalytic pre-converter up-
stream bracket bolt (44 N.m).
aRefit the driveshaft relay bearing.
aTorque tighten:
-the driveshaft relay bearing bolts (44 N.m.),
-the right-hand driveshaft bracket bolt on the re-
lay bearing (21 N.m).
aRefit:
-the front axle subframe (see Front axle subframe:
Removal - Refitting) (31A, Front axle compo-
nents),
-the rear engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the dipstick,
-the engine undertray.
aTop up the engine oil (see 10A, Engine and cylin-
der block assembly, Engine oil: Draining - Refill-
ing, page 10A-22) .
20171

10A-38
ENGINE AND CYLINDER BLOCK ASSEMBLY
Conrod bearing shell: Removal - Refitting
K9K
10A
aDisconnect the oil level sensor connector (if
equipped) (2) .
aRemove the catalytic converter upstream stay (3) .a
Undo the bolts of the engine oil sump.
aFit a component jack to support the engine oil
sump.
aRemove the bolts from the engine oil sump.
aDetach the engine oil sump, while supporting it with
the component jack.
123834
112328
140940
WARNING
Failure to observe the following procedure may
damage the oil pump strainer.