2009 RENAULT TWINGO RS Undertray

19A-57
COOLING
Engine cooling fan assembly: Removal - Refitting
K4M
19A
-the engine cooling fan assembly resistor connec-
tor.
II - FINAL OPERATION
aRefit:
-the air inlet pipe scoop,
-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure),
-the bonnet catch (see Bonnet lock: Removal -
Refitting) (52A, Non-side opening element mecha-
nisms),
-the headlights (see Halogen headlight: Removal
- Refitting) (80B, Headlights),
-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 engine undertray.
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).

19A-61
COOLING
Coolant pump inlet pipe: Removal - Refitting
D4F, and 780 or 782
19A
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 undertray.
aDrain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aSeparate the clips on the coolant pump inlet pipe
hoses using the tool (Mot. 1448).
aDisconnect the coolant pump inlet pipe hoses.
aRemove:
-the bolts (1) from the coolant pump inlet pipe,
-the coolant pump inlet pipe,-the coolant pump inlet pipe seal.
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: seal between cool-
ant pump inlet pipe and coolant pump.
aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consum-
ables - Products) to clean the bearing surfaces of
the coolant pump inlet pipe.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-a new seal on the coolant pump inlet pipe,
-the coolant pump inlet pipe,
-the coolant pump inlet pipe bolts.
aTorque tighten the coolant pump inlet pipe bolts
(10 N.m).
aConnect the hoses to the coolant pump inlet pipe.
aRefit the clips on the coolant pump inlet pipe hoses
using the tool (Mot. 1448).
III - FINAL OPERATION
aFill and bleed the cooling system (see 19A, Cool-
ing, Cooling system: Draining - Refilling, page
19A-9) .
aRefit the engine undertray.
aConnect the battery (see ) (80A, Battery). Special tooling required
Mot. 1448Remote operation pliers for
hose clips .
Tightening torquesm
coolant pump inlet pipe
bolts10 N.m
120956

19A-62
COOLING
Coolant pump inlet pipe: Removal - Refitting
K4M
19A
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 undertray.
aDrain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
aRemove:
-the dipstick,
-the bolts (1) from the dipstick guide,
-the dipstick guide.aDisconnect:
-the pinking sensor connector (2) ,
-the oil pressure sensor connector (3) . Special tooling required
Mot. 1448Remote operation pliers for
hose clips .
Tightening torquesm
coolant pump inlet pipe
bolts25 N.m
132368
132374

19A-63
COOLING
Coolant pump inlet pipe: Removal - Refitting
K4M
19A
II - REMOVAL OPERATION
aRemove the clip (4) from each cooling hose using
the tool (Mot. 1448).
aDisconnect the cooling hoses from the coolant pump
inlet pipe.
aRemove:
-the bolts (5) from the coolant pump inlet pipe,
-the coolant pump inlet pipe.
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: seal between cool-
ant pump inlet pipe and coolant pump.
aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean and degrease:
-the seal housing in the cylinder block,
-the coolant pump inlet pipe seal housing if it is be-
ing reused.
II - REFITTING OPERATION
aRefit the coolant pump inlet pipe fitted with a new
seal.aTorque tighten in order the coolant pump inlet pipe
bolts (25 N.m).
aConnect the cooling hoses to the coolant pump inlet
pipe.
aFit each cooling hose clip using the tool (Mot. 1448).
III - FINAL OPERATION
aConnect:
-the oil pressure sensor connector,
-the pinking sensor connector.
aRefit:
-dipstick guide ,
-the dipstick.
aConnect the battery (see ) (80A, Battery).
aFill and bleed the cooling system (see 19A, Cool-
ing, Cooling system: Draining - Refilling, page
19A-9) .
aRefit the engine undertray.
131781
131781

19B-25
EXHAUST
Expansion chamber: Removal - Refitting
K4M
19B
REMOVING THE EXHAUST PIPE FRONT
EXPANSION CHAMBER
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the engine undertray bolts,
-the engine undertray.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the expansion chamber clip (1) .
aRemove:
-the nuts (2) on the catalytic converter bracket,
-the expansion chamber,
-the catalytic converter seal,
-the catalytic converter studs using a roller-type
stud removal tool. Equipment required
roller-type stud removal tool
Tightening torquesm
catalytic converter studs7 N.m
catalytic converter
bracket nuts21 N.m
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 protective gloves during the operation.
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.
131772
132340

19B-26
EXHAUST
Expansion chamber: Removal - Refitting
K4M
19B
REMOVING THE EXHAUST PIPE REAR
EXPANSION CHAMBER
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 cutting area downstream from the expan-
sion chamber (see ) .
aRemove:
-the rubber mounting bush bolt (3) ,
-the clip (4) from the expansion chamber,
-the expansion chamber.
REFITTING THE EXHAUST PIPE FRONT
EXPANSION CHAMBER
I - REFITTING PREPARATION OPERATION
aUse ABRASIVE PADS to clean the bearing faces of
the expansion chamber on the catalytic converter
(see Vehicle: Parts and consumables for the re-
pair) (04B, Consumables - Products).aNext, degrease these bearing faces using SUR-
FACE CLEANER and clean cloths (see Vehicle:
Parts and consumables for the repair) (04B, Con-
sumables - Products).
aAlways replace:
-the catalytic converter seal,
-the expansion chamber clip,
-the catalytic converter studs.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit new studs on the catalytic converter.
aTorque tighten the catalytic converter studs (7
N.m).
aRefit:
-a new catalytic converter seal,
-the expansion chamber,
-the clip on the expansion chamber.
aTorque tighten the catalytic converter bracket
nuts (21 N.m).
aTighten the clip bolt while guiding the exhaust pipe
to ensure correct alignment.
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.
III - FINAL OPERATION.
aRefit the engine undertray.
REFITTING THE EXHAUST PIPE REAR
EXPANSION CHAMBER
I - REFITTING PREPARATION OPERATION
aAlways replace the expansion chamber clip.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the expansion chamber,
-an expansion chamber clip.
131773

19D-17
ENGINE MOUNTING
Right-hand suspended engine mounting: Removal - Refitting
K4M
19D
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.
aFit the (Mot. 1672) on the vehicle.
aSupport the engine oil sump on the tool (Mot. 1672).
aMark the position of the suspended engine mounting
rubber pad.II - REMOVAL OPERATION
aRemove the bolts (1) from the suspended engine
mounting rubber pad.
aSlightly raise the engine using the (Mot. 1672) until
the rubber pad detaches from the suspended engine
mounting.
aRemove:
-the bolts (2) from the suspended engine mounting
cover,
-the suspended mounting from engine.
REFITTING
I - REFITTING OPERATION
aFit the suspended engine mounting.
aTorque tighten the suspended engine mounting
cover bolts (62 N.m).
aLower the engine until the rubber pad touches the
suspended engine mounting.
aPosition the suspended engine mounting rubber pad
in line with the mark made during removal.
aTorque tighten the suspended engine mounting
rubber pad bolts (62 N.m).
II - FINAL OPERATION
aRemove the tool (Mot. 1672).
aRefit the engine undertray. Special tooling required
Mot. 1672Low er engine support.
Tightening torquesm
suspended engine
mounting cover bolts62 N.m
suspended engine
mounting rubber pad
bolts62 N.m
120040
131777

19D-21
ENGINE MOUNTING
Lower engine tie-bar: Removal - Refitting
K4M
19D
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
aRemove:
-the rear suspended engine mounting bolt (1) from
the subframe,-the rear suspended engine mounting bolt (2) from
the rear suspended engine mounting support,
-the rear suspended engine mounting reinforce-
ment bolt (3) ,
-the rear suspended engine mounting.
aRemove:
-the rear suspended engine mounting support bolts
(4) ,
-the rear suspended engine mounting support. Tightening torquesm
rear suspended engine
mounting suppor t bolt62 N.m
rear suspended engine
mounting suppor t bolts105 N.m
rear suspended engine
reinforcement bolt105 N.m
rear suspended engine
mounting bolt on the
rear suspended engine
mounting suppor t105 N.m
rear suspended engine
mounting bolt on the
subframe105 N.m
131769
131768