ECU AUDI A4 1998 B5 / 1.G APB Engine Charge Air System With Turbocharger Workshop Manual

21-1


Charge air system with
turbocharger

Turbocharger, removing and installing

Observe rules for cleanliness Page 21
-8 .

Notes:

Turbochargers must be replaced in pairs.
Manufacturing tolerances may prevent matched
operation.
All hose connections are secured with clips.
Charge air system must be free of leaks.
Replace self-locking nuts.
Replace all seals and gaskets

- Remove engine Page 10
-1 .

Removing right-hand turbocharger

- Remove cover panel from right-hand cylinder head cover -arrows-.
Pa
ge 1 of 37 Char
ge air s
ystem with turbochar
ger
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.21.1

21-9

Turbocharger and charge pressure
regulating valve, checking


Safety notes
Note the following points if test equipment has to
be used during a road test:

WARNING!

Test equipment must always be secured on
the rear seat and operated from there by a
second person.
If test equipment is operated from the front
passenger seat, the occupant could be
injured by the passenger's airbag in an
accident.

Special tools, testers and auxiliary items
Turbocharger tester VAG 1397 A
VAG 1551 Scan Tool or VAG 1552 with cable
VAG 1551/3
Pa
ge 9 of 37 Char
ge air s
ystem with turbochar
ger
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.21.1