2009 RENAULT TWINGO Valve

11A-81
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
K4M
11A
-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 right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the engine undertray,
-the oil decanter (see 11A, Top and front of en-
gine, Oil decanter: Removal - Refitting, page
11A-147) ,
-the inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the throttle valve (see 12A, Fuel mixture, Throttle
valve: Removal - Refitting, page 12A-20) ,
-the coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) ,
-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).

11A-85
TOP AND FRONT OF ENGINE
Camshaft: Removal - Refitting
D4F, and 772
11A
aApply:
-two beads of MASTIXO (see Vehicle: Parts and
consumables for the repair) (04B, Consumables
- Products) with a width of 2 mm at the bearing
No.5 end of the cylinder head,
-two points of MASTIXO (see Vehicle: Parts and
consumables for the repair) (04B, Consumables
- Products) with a width of 2 mm at the bearing
No.1 end of the cylinder head.
aApply a drop of oil to the camshaft bearings.II - REFITTING OPERATION FOR PART
CONCERNED
1 - Refitting the camshaft
aPosition the pistons at mid-stroke to prevent any
contact with the valves when tightening the cam-
shaft bearings.
aRefit:
-the camshaft,
-the camshaft caps.
aTorque tighten the camshaft bearing cap no.5
bolts (5 Nm ).
19595
19594
18724-2

11A-110
TOP AND FRONT OF ENGINE
Camshaft: Removal - Refitting
K4M
11A
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).
aRemove:
-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 coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) ,
-the throttle valve (see 12A, Fuel mixture, Throttle
valve: Removal - Refitting, page 12A-20) ,
-the inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the oil decanter (see 11A, Top and front of en-
gine, Oil decanter: Removal - Refitting, page
11A-147) ,
-the engine undertray,
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the headlights (see Halogen headlight: Removal
- Refitting) (80B, Headlights),
-the bonnet catch (see Bonnet lock: Removal -
Refitting) (52A, Non-side opening element mecha-
nisms),-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure),
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) ,
-the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-20) ,
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) ,
-the camshaft dephaser (see 11A, Top and front of
engine, Camshaft dephaser: Removal - Refit-
ting, page 11A-135) ,
-the camshaft seals on the timing end (see 11A,
Top and front of engine, Camshaft seal, timing
end: Removal - Refitting, page 11A-138) ,
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) .
II - REMOVAL OPERATION
aRemove the camshafts (1) . Equipment required
roller-type stud removal tool
Tightening torquesm
camshaft dowel8 N.m
128685

11A-111
TOP AND FRONT OF ENGINE
Camshaft: Removal - Refitting
K4M
11A
aRemove:
-the valve rockers (2) ,
-the hydraulic tappets (3) .
REFITTING
I - REFITTING PREPARATION OPERATION
1 - Camshaft marking
a
aAlways replace the exhaust camshaft dowel (6) if the
dowel loosens at the same time as the exhaust cam-
shaft nut.
2 - Replacing a camshaft dowel
a
a - Removal
aPlace the camshaft in a vice with ALUMINIUM
JAWS.
14499
Note:
To prevent any risk of unpriming the hydraulic
tappets make sure that they are vertical.15152
(4) Exhaust camshaft
(5) Inlet camshaft
Note:
The camshafts are identifi ed by the pulley mount-
ings .
WARNING
It is essential to replace the camshaft dowel if it
comes loose at the same time as the nut.

11A-112
TOP AND FRONT OF ENGINE
Camshaft: Removal - Refitting
K4M
11A
aRemove the dowel using a roller-type stud remov-
al tool (7) .
b - Cleaning the camshaft
a
c - Refitting
aPlace the camshaft in a vice with ALUMINIUM
JAWS.aRefit the new camshaft dowel (precoated section (8)
on the camshaft side).
aTorque tighten the camshaft dowel (8 N.m) using a
roller-type stud removal tool (9) .
II - REFITTING OPERATION
aTo check if re-priming is necessary, press the top of
the tappet with your thumb. If the tappet piston de-
presses, immerse the tappets in a container full of
diesel then reprime them.
aRefit:
-the hydraulic tappets,
-the valve rockers,
-the inlet camshaft, by lubricating the inlet camshaft
bearings,
-the exhaust camshaft, by lubricating the exhaust
camshaft bearings.
III - FINAL OPERATION
aRefit:
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) ,
109050
WARNING
Clean the thread hole of the camshaft carefully to
prevent foreign bodies from entering the cam-
shaft.
Failure to follow this advice could lead to the
blocking of the oil inlet holes, which would quickly
result in engine damage.
109050
Note:
It is essential to repr ime the hydraulic tappets as
these may become drained if removed for a long
time.

11A-113
TOP AND FRONT OF ENGINE
Camshaft: Removal - Refitting
K4M
11A
-the camshaft seals on the timing end (see 11A,
Top and front of engine, Camshaft seal, timing
end: Removal - Refitting, page 11A-138) ,
-the camshaft dephaser (see 11A, Top and front of
engine, Camshaft dephaser: Removal - Refit-
ting, page 11A-135) ,
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) ,
-the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-20) ,
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) ,
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-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 right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the engine undertray,
-the oil decanter (see 11A, Top and front of en-
gine, Oil decanter: Removal - Refitting, page
11A-147) ,
-the inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the throttle valve (see 12A, Fuel mixture, Throttle
valve: Removal - Refitting, page 12A-20) ,
-the coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) ,
-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).

11A-117
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K9K
11A
aIf necessary, carry out a complete check of the cylin-
der head (see Cylinder head: Check) .
II - REFITTING OPERATION FOR PART
CONCERNED
aBring the pistons to mid-stroke position to prevent
them from coming into contact with the valves during
the tightening of the cylinder head.
aRefit:
-a new cylinder head gasket,
-the cylinder head.
Cylinder head tightening procedure
aRefit the cylinder head bolts.
aFit the cylinder head bolts, without tightening them.
aTighten to torque and in order the cylinder head
bolts (initial torque) (25 N.m).
aCheck that the cylinder head bolts are tightened to
25 Nm.
aAngle tighten the cylinder head bolts (270˚ ±± ± ±
10˚) in
order using a cylinder head bolt tightening gauge
(angular measuring type).
III - FINAL OPERATION
aRefit:
-the timing end bracket on the air filter box.
-the timing end bracket bolt on the air filter box,-the two high pressure pipes between the rail and
injector at the timing end (see 13B, Diesel injec-
tion, High pressure pipe between rail and injec-
tor: Removal - Refitting, page 13B-39) ,
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) ,
-the oil return pipe fitted with new seals, fitting it into
the cylinder block (see 12B, Turbocharging, Tur-
bocharger oil pipe: Removal - Refitting, page
12B-12) .
aRefit the catalytic converter (see 19B, Exhaust,
Catalytic converter: Removal - Refitting, page
19B-12) .
aConnect:
-the coolant temperature sensor connector,
-the heater matrix cooling hose to the water cham-
ber.
aFit the clip on the heater matrix cooling hose onto
the water chamber using the (Mot. 1202-01) or
(Mot. 1202-02) or (Mot. 1448).
aConnect the coolant pump inlet pipe cooling hose.
aFit the cooling hose clip at the coolant pump inlet
pipe end using the (Mot. 1202-01) or (Mot. 1202-02)
or (Mot. 1448).
aConnect the EGR cooler cooling hose.
aFit the cooling hose clip at the EGR cooler end using
the (Mot. 1202-01) or (Mot. 1202-02) or (Mot.
1448).
aConnect the brake servo pipe onto the vacuum
pump.
aFit the engine wiring.
aClip:
-the breather pipe onto the gearbox,
-the wiring on the engine lifting eye on the gearbox
side.
aRefit the air filter unit (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) .
aRemove the blanking plugs from the fuel pipes and
high pressure pump.
aConnect the fuel inlet and return pipes to the high
pressure pump.
aFit the engine wiring.
aConnect:
-the accelerometer connector,
-injector rail pressure sensor connector, WARNING
In order to ensure that the bolts are correctly
tightened, use a syringe to remove any oil which
may be in the cylinder head mounting holes.
19712

11A-119
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K4M
11A
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).
aRemove the engine undertray.
aDrain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
aRemove:
-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 coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) ,-the throttle valve (see 12A, Fuel mixture, Throttle
valve: Removal - Refitting, page 12A-20) ,
-the inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the oil decanter (see 11A, Top and front of en-
gine, Oil decanter: Removal - Refitting, page
11A-147) ,
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the headlights (see Halogen headlight: Removal
- Refitting) (80B, Headlights),
-the bonnet catch (see Bonnet lock: Removal -
Refitting) (52A, Non-side opening element mecha-
nisms),
-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure),
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the lower engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) ,
-the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-20) ,
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) ,
-the camshaft dephaser (see 11A, Top and front of
engine, Camshaft dephaser: Removal - Refit-
ting, page 11A-135) ,
-the camshaft seals on the timing end (see 11A,
Top and front of engine, Camshaft seal, timing
end: Removal - Refitting, page 11A-138) ,
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) , Special tooling required
Mot. 1448Remote operation pliers for
hose clips .
Mot. 1202-01Clip pliers for hose clips
(large size).
Mot. 1202-02Clip pliers for hose clips
(small size)
Tightening torquesm
cylinder head bolts (ini-
tial torque)20 N.m
cylinder head bolts240˚ ±± ± ±
6˚
IMPORTANT
Wear cut-resistant gloves during the operation.
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.