lock AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual

21-57

Installing
Installation is carried out in the reverse order of
removal; note the following:

Note:

All cable ties which are released or cut open
when removing must be installed in the same
position when installing.
Secure all hose connections with the correct
hose clips (same as original equipment):

Parts Catalog

The hose connectors and hoses must be free of
oil and grease before assembling.
Always replace seals, gaskets and self-locking
nuts.

- Perform following operating steps before
tightening exhaust turbocharger:

-
Fasten coolant feed line loosely to bracket on
vacuum unit for wastegate bypass regulator
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11/21/2002 htt
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play?action=Goto&t
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21-59

Component
Nm
Turbocharger bracket to cylinder block 25
Turbocharger bracket to turbocharger 30
Catalytic converter to exhaust
turbocharger 30
Oil return line to turbocharger 10
Oil supply line to turbocharger 23
Bracket for oil feed line to cylinder head 23
Heat shield to line for secondary air inlet
3.5
Hose clamps for coolant hoses 2
Hose clamps for air duct hoses 3.5
Pa
ge 18 of 22 Char
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.21.3

21-62

Charge air cooler (intercooler),
removing and installing


Removing

Lock carrier must be in service position
Page 13
-1 .

- Remove air duct hose -1-.
- Disconnect connector -2- at Charge Air Pressure sensor -G31-.

- Remove air cowl in front of charge air cooler -arrows-.
Pa
ge 21 of 22 Char
ge pressure s
ystem with exhaust turbochar
ger, servicin
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.21.3

21-63

- Remove lower air duct hose to charge air
cooler.

- Take out charge air cooler from underneath.

Installing
Installation is carried out in the reverse order of
removal; note the following:

- Install lock carrier Page 13
-1 .

Tightening torque

Component

Nm
Hose clamps for air duct hoses
3.5
Pa
ge 22 of 22 Char
ge pressure s
ystem with exhaust turbochar
ger, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.21.3