Renault Duster 2007 Manual page 196

Turbocharger: Removal - Refitting
K9K
II - REMOVAL OPERATION
a Remove (see 12B, Turbocharging, Turbocharger
oil pipe: Removal - Refitting, page 12B-4) :
- the turbocharger oil return pipe (3) ,
- the turbocharger oil supply pipe.
a Remove:
- the nuts (4) from the turbocharger on the exhaust
manifold,
- the turbocharger,
- the turbocharger seal.
REFITTING
I - REFITTING PREPARATION OPERATION
a parts always to be replaced: Turbocharger nut.
a parts always to be replaced: seal between ex-
haust manifold and turbocharger.
TURBOCHARGING
112327
12B-2
a parts always to be replaced: exhaust manifold
stud on the turbocharger (if loosened).
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 Use GREY ABRASIVE PADS (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean:
- the exhaust manifold joint face,
- the turbocharger gasket face if reused.
a Use SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean and degrease:
- the exhaust manifold joint face,
- the turbocharger joint face if it is to be reused,
- the housing of the turbocharger air outlet pipe seal,
- the joint face of the exhaust gas cooler mounting
on the gearbox end.
WARNING
To ensure proper sealing, the gasket surfaces
must be clean, dry and not greasy (avoid any fin-
ger marks).
a Torque tighten:
- the new turbocharger studs on the exhaust
manifold (9 N.m),
- the new turbocharger stud on the turbocharger
(9 N.m).
II - REFITTING OPERATION
a Refit:
- a new turbocharger seal on the exhaust manifold,
- the turbocharger.
12B