Engine Lubrication: Testing and Inspection

1NR-FE LUBRICATION: LUBRICATION SYSTEM: ON-VEHICLE INSPECTION

1. INSPECT ENGINE OIL

(a) Check engine oil level.

(1) Warm up the engine, stop the engine and wait 5 minutes. The oil level should be between the dipstick's low level mark and full level mark. If low, check for leakage and add oil up to the full level mark.

NOTICE:
Do not fill engine oil above the full level mark.

(b) Check engine oil quality.

(1) Check the oil for deterioration, water contamination, discoloration and thinning. If the quality is visibly poor, replace the oil.

2. INSPECT OIL PRESSURE

(a) Remove the oil pressure switch Removal.

(b) Install the oil pressure gauge.





(c) Warm up engine.

(d) Check the oil pressure. If the oil pressure is not as specified, check the oil pump.

Oil Pressure:





(e) Remove the oil pressure gauge.

(f) Install the oil pressure switch Installation.

(g) Check for the engine oil leaks.