1997 AUDI A4 ECU

34-19

4-cylinder engine

- Disconnect wires/and harness connectors as follows:
1 - At solenoid valve for wastegate bypass regulator valve -N75-
2 - At Evaporative Emission (EVAP) canister purge regulator valve -N80-
3 - At power output stage -N122-
4 - At Mass Air Flow (MAF) sensor -G70-
- Disconnect hoses and remove air cleaner housing (arrows).
- Remove coolant expansion tank and lay to one side.

Repair Manual, Engine Mechanical, Repair Group 26
Note:
Do not bend flex pipe on front exhaust pipe more than 10 . - Remove harness connector for Heated Oxygen Sensor (HO2S) (arrow)
and move wiring clear.
- Remove nuts securing turbocharger to front exhaust pipe.
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34-24


Notes:
Starter cables do not have to be disconnected. - Remove starter from engine/transmission and secure if necessary
Repair Manual, Electrical Equipment, Repair Group 27


Note:
Illustration shows manual transmission 012. - Disconnect shift rod (arrow -A-).
- Remove socket-head bolt from pivot rod (arrow -B-).
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p://127.0.0.1:8080/audi/servlet/Dis
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34-25


- Remove heat shield for driveshaft from Torsen differential cover
(arrows).

- Remove driveshaft -1- from transmission and rest it on heat shield -2-.
- Secure driveshaft to fuel line bracket -3- using wire (arrow).
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.TM02.34.2

34-29

All models

CAUTION!
When lowering the transmission, make sure the hydraulic line/hose
to clutch slave cylinder is not damaged. - Remove remaining engine/transmission mounting bolts (arrows -A- and
-B-).
- Press transmission off dowel sleeves and lower carefully using
VAG1383A transmission jack just far enough for access to slave
cylinder.

CAUTION!
After removing the clutch slave cylinder, do not operate the clutch
pedal.
Make sure there is sufficient clearance of the flange shafts when
lowering the transmission.
Note:
Make sure drive axles have sufficient clearance when lowering
transmission. - Remove clutch slave cylinder (arrow) and secure with wire, do not
disconnect line.
- Lower transmission completely.
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11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.TM02.34.2

34-30

Securing transmission to assembly stand

Special tools and equipment

VW309 holding plate
VW353 transmission support

- Secure transmission to assembly stand using VW353 transmission
support and VW309 holding plate when working on transmission.
Pa
ge 14 of 21 Transmission, removin
g and installin
g
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.TM02.34.2