Page 118 of 652

11A-1
TOP AND FRONT OF ENGINE
Pressure at end of compression: Check
K4M
11A
CHECK
I - PREPARATION OPERATION FOR CHECK
aRemove:
-the coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) ,
-the spark plugs (see 17A, Ignition, Plugs: Re-
moval - Refitting, page 17A-12) .
aDisconnect the injector wiring connector (1) .aConnect a petrol compression gauge (2) .
aPut the vehicle under the starting conditions by posi-
tioning the gear lever in neutral.
II - TEST OPERATION
aActivate the starter until the needle of the petrol
compression gauge stabilises.
aMeasure the cylinder compressions, cylinder by cyl-
inder.
aFully depress the accelerator pedal in order to open
the throttle valve during the compression measure-
ments.
III - FINAL OPERATION
aDisconnect the petrol compression gauge.
aConnect the injector wiring connector.
aRefit:
-the spark plugs (see 17A, Ignition, Plugs: Re-
moval - Refitting, page 17A-12) ,
-the coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) . Equipment required
petrol compression gauge
132371
132338
Note:
It is necessar y to wait for at least 10 seconds
before starting the engine each time (the starter
will not run due to its ther mal protection).
Page 149 of 652
11A-32
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D4F
11A
aMove the flexible heat shield away from the oil pres-
sure sensor connector.
aDisconnect the oil pressure sensor connector (1) .
aUnclip the oil pressure sensor wiring from the upper
timing cover.
aMove the oil pressure sensor connector to one side.aRemove:
-the bolts (1) from the upper timing cover,
-the upper timing cover.
aRemove:
-the intermediate timing cover bolts (2) ,
-the timing intermediate housing,
-the lower timing cover bolt (3) ,
-the lower timing cover. D4F, and 780 or 782
122664
109740
109739
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 183 of 652

11A-66
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D7F
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery ( (see Battery: Removal -
Refitting) ).
aRemove:
-the intake distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the air filter box (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) .
aUnclip:
-The harness from the heat shield,
-the brake servo pipe from the heat shield.
aDisconnect the ignition coil supply.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the rocker cover bolts,
-the rocker cover.ON THE WORKBENCH
aRemove:
-the ignition coil,
-the heat shield.
REFITTING
I - REFITTING PREPARATIONS OPERATION
ON THE WORKBENCH
aRefit:
-the heat shield,
-the ignition coil.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the rocker cover,
-the rocker cover bolts.
aTorque tighten the rocker cover bolts (10 Nm).
III - FINAL OPERATION.
aConnect the ignition coil supply.
aClip:
-the brake servo pipe onto the heat shield,
-the harness onto the heat shield.
aRefit:
-the air filter box (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the intake distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) .
aConnect the battery ( (see Battery: Removal - Re-
fitting) ). Tightening torquesm
rocker cover bolts10 Nm
110422
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 190 of 652

11A-73
TOP AND FRONT OF ENGINE
Rocker cover: Removal - Refitting
D4F, and 780 or 782 or 784
11A
aDisconnect the oil vapour rebreathing circuit unions
(9) .
-on the inlet distributor,
-on the air filter box outlet air pipe,
-on the rocker cover.
aRemove the oil vapour rebreathing circuit.
aDisconnect the fuel vapour rebreathing circuit
unions (10) .
-on the air filter box outlet air pipe,
-to the inlet distributor.
aMove the fuel vapour rebreathing pipes to one side.
aDisconnect the vacuum pipe from the brake servo
(11) .
aMove the brake servo vacuum pipe to one side.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.
122828
121026
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.