Oil Pump: Testing and Inspection

OIL PRESSURE
Inspection






1. Remove the oil-pressure switch.






2. Connect the oil-pressure gauge (49 0187 280) to the pressure switch installation hole in the cylinder block.
3. Start the engine and let it warm up.
4. Maintain engine rpm at 3000, and note the gauge reading.
- Standard oil pressure: 249-392 kPa (3.0-4.0 kg/cm2 sq, 43-57 psi)
5. If the pressure is lower than specified, check each part, and repair if necessary.