Page 154 of 652

11A-37
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D4F
11A
aCheck that the tensioning roller does not come into
contact with the cylinder head.
aIf the tensioning roller is in contact with the cylinder
head:
-set the engine to Top Dead Centre,
-remove the tensioning roller and the timing belt,
-insert the tensioning roller pin,
-repeat the timing belt refitting method from the be-
ginning, step by step.
III - FINAL OPERATION
aRefit:
-the lower timing cover,
-the lower timing cover bolt,
-the timing intermediate housing,
-the intermediate timing cover bolts,
-the upper timing cover,
-the upper timing cover.
aTorque tighten:
-the lower timing cover bolt (10 N.m),
-the intermediate timing cover bolts (10 N.m),
-the upper timing cover bolts (37 N.m)aFit the oil pressure sensor connector.
aClip the oil pressure sensor wiring on the upper tim-
ing cover.
aConnect the oil pressure sensor connector.
aFit the flexible heat shield on the oil pressure sensor
connector.
aClip the fuel pipe on to the upper timing cover.
aRefit:
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) ,
-the rear suspended engine mounting (see 19D,
Engine mounting, Lower engine tie-bar: Re-
moval - Refitting, page 19D-18) .
aRemove the tool (Mot. 1379).
aRefit:
-the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-20) ,
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-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).
aConnect the battery (see ) (80A, Battery).
109765
D4F, and 780 or 782
Page 171 of 652
11A-54
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
K4M
11A
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment).
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,
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) .aDisconnect the upstream oxygen sensor connector
(4) .
aUnclip the wiring from the upstream oxygen sensor
at (5) .
aMove the upstream oxygen sensor wiring aside.
aUnclip the connector (6) from the lifting eye.
aRemove the lifting eye bolts (7) .
131769
132373
103271
Page 181 of 652

11A-64
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
K4M
11A
aRefit the lower timing cover flap, checking that the
locating pin (34) fits properly in the notch (35) .
III - FINAL OPERATION
aRefit:
-a new inlet camshaft plug using the (Mot. 1487),
-a new exhaust camshaft plug using the (Mot.
1488),
-the lifting eye.
aClip the wiring onto the lifting eye.aPlace a drop of SILICONE ADHESIVE SEALANT
(see Vehicle: Parts and consumables for the re-
pair) (04B, Consumables - Products) on the thread
of the TDC setting pin plug.
aTorque tighten the TDC setting pin plug (20 N.m).
aRefit the upper timing cover.
aTorque tighten:
-the upper timing cover bolts (41 N.m),
-the upper timing cover nuts (41 N.m).
aPosition the wiring of the upstream oxygen sensor.
aAttach the upstream oxygen sensor wiring.
aConnect the upstream oxygen sensor connector.
aRefit:
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) ,
-the rear suspended engine mounting.
aTorque tighten:
-the rear suspended engine reinforcement bolt
(105 N.m),
-the rear suspended engine mounting bolt on
the rear suspended engine mounting support
(105 N.m),
-the rear suspended engine mounting bolt on
the subframe (105 N.m).
aRefit:
-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),
-the throttle valve (see 12A, Fuel mixture, Throttle
valve: Removal - Refitting, page 12A-20) ,
-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),
109052
14890
Page 186 of 652

11A-69
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 772
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
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 inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the ignition coil (see 17A, Ignition, Coils: Remov-
al - Refitting, page 17A-1) .
aUnclip the rocker cover electric wiring harnesses.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the rocker cover bolts,
-the rocker cover,
-the rocker cover gasket.
REFITTING
I - REFITTING PREPARATION OPERATION
aClean the joint faces with SUPER CLEANER FOR
JOINT FACES (see Vehicle: Parts and consum-
ables for the repair) (04B, Consumables - Prod-
ucts) to dissolve any part of the seal still adhering.
aparts always to be replaced: rocker cover seal.
110422
WARNING
Do not allow this product to dr ip onto the paint-
work.
Clean the cylinder head carefully to prevent for-
eign bodies from entering the oil supply and
return galleries.
Failure to follow this advice could lead to the
blocking of the various oil inlet galleries, which
would quickly result in engine damage.
Page 187 of 652
11A-70
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 772
11A
II - REFITTING OPERATION FOR PART
CONCERNED
aApply a bead (1) of SILICONE ADHESIVE SEAL-
ANT (see Vehicle: Parts and consumables for
the repair) (04B, Consumables - Products) to the
camshaft bearings 1 and 5, as well as around the
rocker cover rear bolts.
aFit the rocker cover with a new gasket.aTighten the rocker cover bolts in order.
III - FINAL OPERATION
aRefit:
-the ignition coil (see 17A, Ignition, Coils: Remov-
al - Refitting, page 17A-1) ,
-the inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) .
aClip on the rocker cover electric wiring harnesses.
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
18441
20005
110422
Page 189 of 652
11A-72
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 780 or 782 or 784
11A
a
aRemove the turbocharger outlet air pipe bolt (3) on
the throttle valve.
aMove the turbocharger outlet air pipe on the turbo-
charger to one side, following the direction shown by
the arrow (4) .aDisconnect the turbocharger air outlet pipe from the
turbocharger.
aMove aside the turbocharger air outlet pipe.
aUnclip the wiring harness from the upstream oxygen
sensor (7) .
aRemove:
-the bolts (6) from the heat shield,
-the heat shield,
-the filler neck bolt (8) ,
-the filler neck,
-the ignition coil (see 17A, Ignition, Coils: Remov-
al - Refitting, page 17A-1) .
122834
122673
Note:
If the turbocharger air outlet pipe tightening clip
(1) is removed, the flexible rubber pipe (2) and
the tightening clip (1) must be replaced.
Note:
If the clip (5) is removed from the heat resistant
protector, the latter must be replaced.
120957
Page 192 of 652
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
Page 231 of 652

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.