oil temperature AUDI A4 1999 B5 / 1.G APB Engine Lubrication System Components Workshop Manual

17-5


19 -
Oil temperature sender (-G8-), tightening
torque 10 Nm
For oil temperature gaugeWhiteIf seal is leaking, cut open with pliers and
replace.
20 -
Oil seal Replacing Page 15
-10
21 -
Tensioner
Secure in position before removing Fig.
1

22 -
Bolt, tightening torque: 10 Nm
Apply locking fluid D6 when installing
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17-65

Oil pressure and oil pressure switch,
checking


Note:
Servicing and checking function of oil pressure
warning lamp and buzzer:

Electrical Wiring Diagrams, Troubleshooting &
Component Locations

Test procedure

- Remove oil pressure switch (F1) and screw oil pressure switch into
tester.
- Screw tester into oil pan in place of oil pressure switch.
- Connect brown wire of tester to ground (GND) (-).
- Using test leads from VAG 1594, connect diode test lamp VAG 1527
between positive battery terminal (+) and oil pressure switch.
- Start engine and gradually increase engine speed.
LED should light up at 1.2...1.6 bar, otherwise replace oil pressure
switch.
- Increase engine speed further.

At 2000 RPM and an oil temperature of 80 C oil pressure should be at
least 2.0 bar.
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17-67

Oil level, checking


Test conditions

Oil temperature above 60 C.

Vehicle level.
The vehicle must be standing on level
ground when checking the oil level. Wait for
a few minutes after switching off the engine
to allow the oil to flow back into the oil pan.

Test sequence

- Pull out dipstick, wipe off with a clean cloth and
insert it again as far as it will go.

- Pull out dipstick again and read oil level.
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e=re
pair&id=AUDI.B5.GE05.17.1