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21 – Turbocharging/supercharging
1
Charge air system
1.1
Safety precautions
WARNING
When doing any repair work, especially in the engine compart‐
ment, pay attention to the following due to the cramped condi‐
tions:
♦ Route all the various lines (e.g. for fuel, hydraulics, acti‐
vated charcoal filter system, coolant and refrigerant, brake
fluid and vacuum) and electrical wiring in their original po‐
sitions.
♦ Ensure that there is sufficient clearance to all moving or
hot components.
Note the following if testers and measuring instruments have to
be used during a road test:
♦ Test equipment must always be secured on the rear seat and
operated by a 2nd person.
If test and measuring instruments are operated from front pas‐
senger seat and the vehicle is involved in an accident, there is a
possibility that the person sitting in this seat may receive serious
injuries when the airbag is triggered.
1.2
Rules for cleanliness
When working on the charge air system, pay careful attention to
the following rules for cleanliness:
♦ Thoroughly clean all unions and surrounding areas before dis‐
connecting.
♦ Place removed parts on a clean surface and cover. Use only
lint-free cloths.
♦ Carefully cover opened components or seal if repairs cannot
be carried out immediately.
♦ Install clean components only. Do not remove replacement
parts from packing until immediately before installing. Do not
use parts that have not been stored in their packing (e.g. in
tool boxes or similar).
♦ Existing transport and protective packaging and sealing caps
must only be removed immediately prior to installation.
♦ When making repairs, remove oil from connection and hose
ends.
♦ Do not use substances containing oil, silicone or grease when
assembling.
♦ When system is open: do not work with compressed air if this
can be avoided. Do not move vehicle unless absolutely nec‐
essary.
Amarok 2011 ➤
4-cylinder injection engine (2.0 l direct injection engine, turbocharger) - Edition 02.2011
1. Charge air system
183
