AUDI A4 2000 B5 / 1.G AWM Engine Lubrication System Components Owner's Guide

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Test requirements:

Oil level OK.
Engine oil temperature approx. 80 C.

Oil pressure warning lamp -K3- must come
on when ignition is switched on.
In vehicles with auto check system the "OK"
display must appear (call up symbol).

Testing oil pressure switch

- Disconnect wire from oil pressure switch.

- Remove oil pressure switch and screw in oil pressure tester VAG 1342.
- Thread oil pressure switch -2- intoVAG 1342.
- Connect brown wire -1- of tester to Ground (-).
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- Connect voltage tester VAG 1527 B to oil
pressure switch and positive side of battery (+)
using test leads from VAG 1594 A.

Test lamp should not light up.

- If test lamp lights up, install new oil pressure
switch.

- Start engine.

Note:
The switching point of the oil pressure switch can
be reached when the engine is cranked on the
starter motor, so watch the tester and the test
lamp while starting the engine.

Black oil pressure switch:
LED must light up at 1.2 to 1.6 bar.

- If test lamp does not light up, install new oil
pressure switch.
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Check oil pressure

- Disconnect wire from oil pressure switch.

If specified values are not attained: - Remove oil pressure switch and screw in oil pressure tester VAG 1342.
- Thread oil pressure switch -2- intoVAG 1342.
-
Start engine (engine oil temperature approx. 80 C).
Oil pressure at idling speed: at least 1.3 bar Oil pressure at 2000 rpm: 3.5 to 4.5 bar
- Pressure relief valve or oil pump faulty, replace oil pump Page 17
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Engine oil

The engine is filled with a high quality multigrade
oil at the factory. This oil may be used all year
round, except in extremely cold climates.

Viscosity grades and oil specifications
Viscosity grades and oil specifications:

Repair Manual, Maintenance

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Engine oil level, checking


Test requirements:

Engine oil temperature at least 60 C

Vehicle must be level (horizontal)
Wait a few minutes after switching off engine
to allow oil to flow back into oil pan.

- Pull out dipstick, wipe with a clean cloth and
insert again to stop.

- Pull out dipstick again and read oil level.

Markings on oil dipstick:
Note:
The oil level must not be above marking -a- on the dipstick. a - Oilmust not be topped up.
b - Oil may be topped up. The oil level may rise as far as area -a- after
topping up.
c - Oilmustbe topped up. The oil level is sufficient if somewhere in area -
b- (grooved area) after topping up.
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