check oil AUDI A4 1999 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual

21-6

Test conditions:

Check DTC memory Repair Manual, 1.8
Liter 4-Cyl. 5V Turbo Fuel Injection &
Ignition, Repair Group 01
Perform output diagnostic test mode
(function 03)
Minimum engine oil temperature: 60 C
(140 F)

All vacuum connections are free of leaks

Test procedure

- Using T-fitting, connect VAG1397A turbocharger tester test hose to
front of intake manifold.
- Guide test hose over rear corner of hood through right window opening
into vehicle interior.
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21-25


CAUTION!
Part numbers are listed here for reference only.
Always check with your Parts department for
the latest information. 7 -
Bolt
20 Nm (15 ft lb)
8 -
Oil supply line Tightening torque for union nut: 25 Nm (18
ft lb) From oil filter bracket item - 1 -, page
Page 17
-6
9 -
Heat shield
10 -
Exhaust manifold
11 -
Bolt
Always replace35 Nm (26 ft lb)Coat thread and bolt head seating surface
with "G 052 112 A3" hot bolt paste.
12 -
Bolt 10 Nm (7 ft lb)
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21-27


23 -
Gasket
Always replace
24 -
Oil return line To oil pan
25 -
Gasket Always replace
26 -
Bolt 10 Nm (7 ft lb)
27 -
Bolt 10 Nm (7 ft lb)
28 -
Nuts 10 Nm (7 ft lb)Install with D 000 600Do not change adjustment
29 -
Turbocharger Check Page 21
-5
30 -
Bolt
45 Nm (33 ft lb)
31 -
Bracket
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21-33

Note:
Add oil to turbocharger through oil supply line
connection flange.

- Fill up coolant Page 19
-4 .

WARNING!

The cooling system is pressurized when the
engine is warm. When opening the expansion
tank, wear gloves and other appropriate
protection, cover the cap with a cloth and
open carefully to relieve system pressure
slowly.

Note:
After installing the turbocharger, let engine idle
for approx. 1 minute without increasing engine
speed. This ensures adequate oil supply to the
turbocharger.

- Check engine oil level Page 17
-27
.
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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.GE02.21.1