Engine Oil Pressure: Testing and Inspection

Oil Pressure, Checking

Special tools, testers and auxiliary items required

• Oil pressure gauge (V.A.G 1342)

• Voltage tester (V.A.G 1527 B)

• Connector test set (V.A.G 1594 C)

Procedure

• Oil level OK

• Engine oil temperature approximately 80 °C.

- Remove oil pressure switch. Refer to => [ Oil Pressure Switch ] Service and Repair.

- Connect oil pressure tester (V.A.G 1342) to hole for oil pressure switch.





- Install oil pressure switch - 2 - into oil pressure gauge (V.A.G 1342).

Oil Pressure Switch, Checking

- Connect brown wire - 1 - of oil pressure gauge to Ground (GND).

- Connect voltage tester (V.A.G 1527 B ) using adapter cables from connector test kit ( V.A.G 1594 C) to oil pressure switch and battery plus (+).

• LED must not light up.

If LED lights up:

- Replace Oil Pressure Switch.

- Start engine.

• While starting engine, watch Pressure Tester and LED as oil pressure switch may open during start.

• The LED must illuminate at 1.2 to 1.6 bar.

If LED does not light up:

- Replace Oil Pressure Switch.

Oil Pressure, Checking

- Start engine.

• Oil pressure at idle: min. 1.2 bar positive pressure.

• Oil pressure at 2000 RPM: min. 3.4 bar positive pressure.

Assembling

- Install oil pressure switch. Refer to => [ Oil Pressure Switch ] Service and Repair.