Renault Laguna III Manual page 887

Turbocharger oil pipe: Removal - Refitting
V9X
Special tooling required
Mot. 1448 Remote operation pliers for
hose clips.
Equipment required
tweezers
Tightening torquesm
oil supply pipe hollow
bolt on the cylinder
block
oil supply pipe hollow
bolt on the turbocharger
turbocharger oil supply
pipe bolt on the water
chamber
lower oil return pipe
bolts
catalytic pre-converter
nuts on the turbo-
charger
flexible connection pipe
nuts on the catalytic
pre-converter
turbocharger heat shield
studs, if they were loos-
ened during the removal
operation
catalytic pre-converter
stay studs on the cylin-
der block and on the
gearbox
catalytic pre-converter
upper stay nut
lower stay nuts on the
upper stay
lower stay nuts on the
cylinder block and on
the gearbox
lower stay nuts on the
catalytic pre-converter
TURBOCHARGING
16 N.m
16 Nm
25 N.m
10 N.m
21 Nm
21 Nm
13 N.m
8 N.m
21 N.m
21 N.m
21 N.m
21 N.m
12B-47
Tightening torquesm
turbocharger heat shield
nuts
upper oil return pipe
bolts
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
IMPORTANT
Wear protective gloves during the operation.
WARNING
Ensure that no foreign bodies enter the turbine or
compressor during the refitting operation.
Check that the turbocharger oil return pipe is not
partially or completely blocked by scale. Check that
there are no leaks. If there are, replace the part.
WARNING
Metal objects may enter the oil and air circuits as a
result of a broken turbocharger.
Failure to observe the following instructions will lead
to the turbocharger breaking again.
Note:
This method describes the removal and refitting of
the turbocharger oil supply pipe, the turbocharger
lower oil return pipe and the turbocharger upper oil
return pipe.
REMOVING THE OIL SUPPLY PIPE AND
THE LOWER OIL RETURN PIPE OF THE
TURBOCHARGER
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 - Re-
fitting) (80A, Battery).
12B
8 N.m
10 N.m