Renault Laguna III Manual page 590

TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
V4Y, and 713
Special tooling required
Mot. 1448 Remote operation pliers for
hose clips.
Mot. 919-02 Flywheel locking tool.
Equipment required
component support
indelible pencil
Tightening torquesm
cylinder head bolts (ini-
tial tightening)
cylinder head bolts (sec-
ond tightening)
cylinder head bolts
cylinder head bolts on
the inner timing cover
REMOVAL
I - REMOVAL PREPARATION OPERATION
a
IMPORTANT
T o avoid all risk of damage to the systems, apply
the safety and cleanliness instructions and oper-
ation recommendations before carrying out any
repair (see Engine: Precautions for the repair)
.
WARNING
It is strictly forbidden to apply any pressure to the
engine oil sump. Damage to the sump will irrepa-
rably damage the engine by:
- blocking the strainer,
- raising the oil level above maximum, with a risk
of engine racing.
a Remove the engine - gearbox assembly (see 10A,
Engine and cylinder block assembly, Engine -
gearbox assembly: Removal - Refitting, page
10A-1) .
a Fit the lifting eye on the timing end (see 11A, Top
and front of engine, Lifting eyes: Removal - Re-
fitting, page 11A-318) .
a Separate the gearbox from the engine (see Auto-
matic gearbox: Removal - Refitting) (23A, Auto-
matic transmission).
a Fit the engine on the component support (see En-
gine support equipment: Use) .
a Drain the engine oil (see 10A, Engine and cylinder
block assembly, Engine oil: Draining - Refilling,
page 10A-100) .
a Remove:
- the accessories belts (see 11A, Top and front of
98 Nm
engine, Accessories belt: Removal - Refitting,
page 11A-13) ,
40 Nm
- the power-assisted steering pump (see Power-as-
sisted steering pump: Removal - Refitting)
(36B, Power-assisted steering),
93˚ ± ± ± ± 3˚
13 N.m
a Remove the clips (1) of the water-oil exchanger pipe
using the tool. (Mot. 1448)
a Remove:
- the oil-water exchanger pipe,
- the inlet manifold (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-75) ,
- the ignition coils (see 17A, Ignition, Coils: Re-
moval - Refitting, page 17A-1) ,
- the camshaft position sensors (see Camshaft po-
sition sensor: Removal - Refitting) ,
11A-212
11A
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