2009 RENAULT TWINGO RS sensor

11A-75
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 780 or 782 or 784
11A
aClip the upstream oxygen sensor wiring harness into
place.
aPosition the turbocharger air outlet pipe.
aPush the turbocharger outlet air pipe clip, following
the direction shown by the arrow (10) .
aConnect the turbocharger air outlet pipe onto the tur-
bocharger.
aRefit:
-the turbocharger outlet air pipe bolt on the throttle
valve,
-the air filter unit support,
-the air filter box mounting bolt,
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) .
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
122666

11A-76
TOP AND FRONT OF ENGINE
Rocker cover: 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) . Tightening torquesm
rocker cover bolts 22,
23, 20 and 13 (initial
torque)8 N.m
rocker cover bolts 1 to
12, 14 to 19 and 21 to
2413 N.m
rocker cover bolts 22,
23, 20 and 1313 N.m
camshaft sensor bolt8 N.m
camshaft dephaser
solenoid valve bolt10 N.m

11A-77
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
K4M
11A
aDisconnect the connector (1) from the camshaft po-
sition sensor.
aRemove:
-the bolt (2) from the camshaft position sensor,
-the camshaft position sensor,
-the camshaft position sensor seal.aDisconnect the camshaft dephaser solenoid valve
connector.
aRemove:
-the bolt (3) from the camshaft dephaser solenoid
valve sensor,
-the camshaft dephaser solenoid valve,
-the camshaft dephaser seal.
132391132443

11A-78
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
K4M
11A
II - REMOVAL OPERATION
aRemove the rocker cover bolts.
aDetach the rocker cover using a screwdriver.
aRemove the rocker cover.
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace:
-the camshaft position sensor seal,
-the camshaft dephaser solenoid valve seal.
aUse SUPER CLEANER FOR JOINT FACES (see
Vehicle: Parts and consumables for the repair)
(04B, Consumables - Products) to clean:
-the rocker cover joint face if it is to be re-used,
-the cylinder head joint face.aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to degrease:
-the rocker cover joint face if it is to be re-used,
-the cylinder head joint face.
14497-5
Note:
The rocker cover bolts are not the same length;
mark their positions.
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).

11A-80
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
K4M
11A
II - REFITTING OPERATION
aRefit the rocker cover.
aPretighten rocker cover bolts 22, 23, 20 and 13
(initial torque) (8 N.m).
aTighten to torque rocker cover bolts 1 to 12, 14 to
19 and 21 to 24 (13 N.m).
aLoosen rocker cover bolts 22, 23, 20 and 13.
aTorque tighten rocker cover bolts 22, 23, 20 and
13 (13 N.m).
III - FINAL OPERATION
aRefit the camshaft sensor fitted with a new seal.
aTorque tighten the camshaft sensor bolt (8 N.m).
aConnect the camshaft sensor connector.
aRefit the camshaft dephaser solenoid valve
equipped with a new seal.
aTorque tighten the camshaft dephaser solenoid
valve bolt (10 N.m).
aConnect the camshaft dephaser solenoid valve con-
nector.aRefit:
-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) ,
14497

11A-107
TOP AND FRONT OF ENGINE
Camshaft: Removal - Refitting
K9K
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove the front engine cover.
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aRemove:
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-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 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 halogen headlights (see Halogen headlight:
Removal - Refitting) (80B, Headlights),
-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure),
-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 accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,-the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-20) ,
-the camshaft position sensor (see 13B, Diesel in-
jection, Camshaft position sensor: Removal -
Refitting, page 13B-14) ,
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) ,
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) ,
-the vacuum pump (see Vacuum pump: Removal
- Refitting) (37A, Mechanical component controls).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aMark the position of the camshaft bearings.
aRemove:
-the camshaft bearing bolts,
-the camshaft bearings,
-the camshaft, Tightening torquesm
bolts of the camshaft
bearings10 N.m
113563
113565

11A-108
TOP AND FRONT OF ENGINE
Camshaft: Removal - Refitting
K9K
11A
-the camshaft seal (see 11A, Top and front of en-
gine, Camshaft seal, timing end: Removal - Re-
fitting, page 11A-138) .
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace:
-the nut from the camshaft pulley,
-the camshaft seal.
a
aUsing ABRASIVE PADS clean the load-bearing sur-
faces of the camshaft bearings.
aDegrease the load-bearing surfaces of the camshaft
bearings using SURFACE CLEANER (see Vehi-
cle: Parts and consumables for the repair) (04B,
Consumables - Products) and a CLEAN CLOTH.
aApply four beads (1) of RESIN ADHESIVE (see Ve-
hicle: Parts and consumables for the repair)
(04B, Consumables - Products) 7 mm in diameter
on the cylinder head.II - REFITTING OPERATION FOR PART
CONCERNED
aPosition the camshaft by positioning the timing end
camshaft groove vertically.
aRefit the camshaft bearings in accordance with their
original positions (bearing No. 1 engine flywheel
end).
aRefit in order bolts (1) , (3) , (4) and (2) of the cam-
shaft bearings.
aTighten the camshaft bearing bolts (1) , (3) , (4) and
(2) in order.
aRefit the camshaft bearing bolts in order.
aTighten to torque and in order the bolts of the cam-
shaft bearings (10 N.m).
III - FINAL OPERATION
aRefit:
-the camshaft seal (see 11A, Top and front of en-
gine, Camshaft seal, timing end: Removal - Re-
fitting, page 11A-138) ,
-the vacuum pump (see Vacuum pump: Removal
- Refitting) (37A, Mechanical component controls),
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) ,
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) ,
-the camshaft position sensor (see 13B, Diesel in-
jection, Camshaft position sensor: Removal -
Refitting, page 13B-14) ,
-the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-20) , WARNING
The joint faces must be clean, dr y and free from
grease (avoid finger marks).
WARNING
Applying excess sealant could cause it to be
squeezed out when parts are tightened. A mix-
ture of sealant and fluid could damage certain
components (engine, radiator, etc.).
20064-1
113563

11A-114
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K9K
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove the front engine cover.
aDisconnect the battery (see ) (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 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),
-the halogen headlights (see Halogen headlight:
Removal - Refitting) (80B, Headlights),
-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 timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) .
aDrain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
aRemove:
-the nut from the dipstick guide,
-the dipstick guide.
aDisconnect:
-the injector connectors,
-the heater plug connectors ,
-the connectors to the high pressure pump,
-injector rail pressure sensor connector,
-the accelerometer connector.
aRemove the nut from the engine wiring channel.
aMove aside the engine wiring.
aDisconnect the fuel inlet and return pipes from the
high pressure pump. Special tooling required
Mot. 1202-01Clip pliers for hose clips
(large size).
Mot. 1202-02Clip pliers for hose clips
(small size)
Mot. 1448Remote operation pliers for
hose clips .
Equipment required
cylinder head bolt tightening gauge (angular mea-
suring type)
Tightening torquesm
cylinder head bolts (ini-
tial torque)25 N.m
cylinder head bolts270˚ ±± ± ±
10˚
IMPORTANT
Wear goggles with side protectors for this opera-
tion.
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to r un.
IMPORTANT
Dur ing this operation, 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.