Engine Oil Pressure: Testing and Inspection

Oil Pressure, Checking

Special tools, testers and auxiliary items required

• Oil Pressure Gauge (V.A.G 1342)

Test Prerequisites

• Engine oil temperature at least 80 °C (176 °F) (radiator fan must start up once).

Test Sequence

• Place a cloth under the accessory assembly bracket to collect leaking engine oil.

- Disconnect the electrical connector - 2 - on the reduced oil pressure switch (F378).






- Remove the reduced oil pressure switch - 1 -.

- Screw in the (V.A.G 1342) into the oil filter bracket in place of the oil pressure switch.

- Install the reduced oil pressure switch in the (V.A.G 1342).

- Start the engine.

• Oil pressure at idle: 1.2 to 2.1 bar.

• Oil pressure at 2000 RPM: 1.6 to 2.1 bar positive pressure.

• Oil pressure at 3700 RPM: 3.0 to 4.0 bar positive pressure.

• During the break-in phase, the oil pressure may be at 2000/min at 3.0 to 4.0 bar.

Assembling

• For the correct tightening specifications, refer to => [ Oil Filter and Oil Cooler Overview ] Service and Repair.

- Install the oil pressure switch.