AUDI A4 2000 B5 / 1.G APB Engine Lubrication System Components Manual PDF

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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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Engine oil, specifications

A high-quality multigrade oil is put in at the
factory: this can 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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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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Markings on oil dipstick:
Note:
The oil level must not be above marking -a- on the dipstick.
Oil capacities Repair Manual, Maintenance
a - Do not top up oil.
b - Oil can be topped up. The oil level may rise as far as area -a- after
topping up.
c - Oil must be topped up. It is sufficient if the oil level is somewhere in
area -b- (grooved area on dipstick) after topping up.
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e=re
pair&id=AUDI.B5.GE05.17.1