11A-135
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K9K
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
a Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
a Disconnect the battery (see Battery : Removal -
Refitting) (80A, Battery).
a Remove:
- the engine cover,
- the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
- the front section of the front wheel arch liners (see
Front wheel arch liner: Removal - Refitting)
(55A, Exterior protection),
- the engine undertray bolts,
- the engine undertray,
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
- the catalytic converter (see 19B, Exhaust, Cataly-
tic converter: Removal - Refitting, page 19B-17)
,
- the turbocharger oil return pipe (see 12B, Turbo-
charging, Turbocharger oil pipe: Removal - Re-
fitting, page 12B-22) ,
- the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-7) ,
- the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-15) ,
Essential special tooling
Mot. 1448 Long nose pliers for hose
clips.
Mot. 1390 Support for removing/refitting
the engine - gearbox assem-
bly.
Mot. 1453 Multiple-adjusting engine
mounting support with retai-
ning straps.
Mot. 1453-01 Additional winder nut on
engine lift support Mot. 1453.
Essential equipment
safety strap(s)
cylinder head rule
set of feeler gauges
Tightening torquesm
new cylinder head bolts
(initial torque)
20 Nm
new cylinder head bolts 25 N.m
new cylinder head bolts 270˚ ±±
±±
10˚
alternator lower bolt 25 N.m
alternator upper bolt 25 N.m
air filter unit air outlet
pipe clip on the turbo-
charger
5.5 N.m
rocker cover bolts 11 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 13B, Diesel injection, Diesel injec-
tion: Precautions for repair, page 13B-1) .
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
IMPORTANT
Use the diagnostic tool before any operation is car-
ried out on the injection circuit to check:
- that the rail is not under pressure,
- that the fuel temperature is not too high.
Working on the circuit with the engine running is
strictly forbidden.
WARNING
To prevent impurities from entering the circuit, place
protective plugs on all fuel circuit components
exposed to the open air.
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