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Removing and installing vacuum unit for charge pressure regulating valve > < Hose connections with push-on connectors

Leon Mk2

Assembly overview - turbocharger: Engine code ANU
Assembly overview - turbocharger: Engine code ANU
  Caution
When a mechanical fault is found on the turbocharger, e.g. a destroyed compressor impeller, it is not only sufficient to renew the turbocharger. To prevent this from causing further damage, perform the following repairs:
t  Check air filter housing, air filter element and intake hoses for soiling.
t  Check complete charged air routing and charge air cooler for foreign objects.
If foreign objects are found in the charge air system, the charged air routing must be cleaned and the charge air cooler must be renewed, if necessary.
   
1 - Exhaust manifold
q   With exhaust turbocharger
q   Only renew complete
2 - From charge air cooler
3 - Intake manifold
4 - Gasket
q   Renew.
q   Coating (beading) towards intake manifold
5 - 25 Nm
q   Renew.
6 - Gasket
q   Renew.
q   Note installation position.
7 - Bracket
q   For heat shield → Item
8 - Washer
9 - Heat shield
q   Engage in bracket → Item
10 - From air filter
11 - Bolt
q   Specified torque: 10 Nm.
12 - O-ring
q   Ensure it seats correctly in the groove
q   Renew if damaged
13 - Turbocharger
q   Can only be renewed with exhaust manifold.
q   Remove front exhaust pipe to remove turbocharger → Chapter.
14 - Vacuum unit
q   For charge pressure control
q   Removing and installing → Chapter.
15 - Seal
q   Renew.
16 - Union, 40 Nm
17 - 17 Nm
18 - Oil return line with union nut
q   Tighten to cylinder block to 25 Nm.
19 - Oil return pipe gasket
q   Renew.
20 - Gasket
q   Renew.
21 - Front exhaust pipe
22 - Union, 30 Nm
q   Renew.
q   Coat threads and bolt head contact surface with -G 052 112 A3-.
q   Fill connection with engine oil before attaching oil supply line.
23 - Oil supply line
q   From oil filter bracket → Item
q   Fill connection with engine oil before attaching oil supply line.
q   Removing and installing → Chapter.

   

Removing and installing vacuum unit for charge pressure regulating valve > < Hose connections with push-on connectors