12B-2
TURBOCHARGING
Turbocharging: Precautions for repair
F4R or F9Q or K9K
12B
• Clean the turbocharger air pipes.
IV - AIR CIRCUIT*: INSTRUCTIONS FOLLOWING
MECHANICAL DAMAGE TO THE TURBOCHARGER
Remove the intercooler if fitted to the vehicle (see 12B,
Turbocharging, Intercooler: Removal - Refitting,
page 12B-37) .
Turn the intercooler over and allow the oil inside to
drain out.
Check that there are no metal objects inside the flow-
meter (2) .
Remove:
- the air pipe (A) (between the air filter box and the tur-
bocharger),
-the air pipe (B) (between the turbocharger and the in-
tercooler).
For air pipes comprising several components:
- mark (10) the fitting position of each component,
- separate all the components.
Note:
When carrying out an operation on the air or lubri-
cation circuit, it is necessary to plug the open holes
to prevent any risk of foreign bodies entering the
system.
Note:
(*) These instructions for the air circuit are only to
be followed in the case of:
- broken compressor wheel,
-compressor wheel rubbing against the turbochar-
ger casing.
110738
Note:
If the compressor wheel (9) is damaged, metal
objects are ejected inside the air pipes.
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