Renault Laguna III Manual page 863

Turbocharger: Removal - Refitting
K9K, and 780
a Remove:
- the turbocharger upper nuts (4) ,
- the engine undertray bolts,
- the engine undertray,
- the catalytic converter (see 19B, Exhaust, Cata-
lytic converter: Removal - Refitting, page 19B-
32) ,
- the turbocharger oil return pipe (see 12B, Turbo-
charging, Turbocharger oil pipe: Removal - Re-
fitting, page 12B-35) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
a Disconnect the hose from the pressure regulator
valve on the pressure regulator valve side.
TURBOCHARGING
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12B-23
a Remove:
- the turbocharger lower nut (5) ,
- the turbocharger,
- the turbocharger seal on the exhaust manifold.
REFITTING
I - REFITTING PREPARATION OPERATION
a
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
Following a turbocharger fault, check that the
intercooler and air circuit assembly are not full of
oil. If they are, remove them and clean them with
a cleaning tray or station and dry them with a
compressed air gun.
a parts always to be replaced: seal between ex-
haust manifold and turbocharger (10,09,01,07)
a Clean the bearing faces using ABRASIVE PADS
on:
- the turbocharger on the exhaust manifold,
12B
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