Nissan Murano: Engine Maintenance (vq35de) / Engine Oil

Inspection

ENGINE OIL LEVEL

NOTE:

• Before starting the engine, check the engine oil level. If the engine is already started, stop it and allow 10 minutes before checking.

  

ENGINE OIL APPEARANCE

• Check engine oil for white milky appearance or excessive contamination.

• If engine oil becomes milky, it is highly probable that it is contaminated with engine coolant. Repair or replace damaged parts.

ENGINE OIL LEAKS

Check for engine oil leaks around the following areas:

• Oil pan

• Oil pan drain plug

• Oil pressure switch

• Oil filter

• Oil cooler

• Intake valve timing control cover

• Front timing chain cover

• Mating surface between cylinder block and cylinder head

• Mating surface between cylinder head and rocker cover

• Front oil seal

• Rear oil seal

ENGINE OIL PRESSURE CHECK

WARNING:

• Be careful not to burn yourself, as engine oil may be hot.

• When checking engine oil pressure, shift selector position should be “P”, and apply parking brake securely.

Check the engine oil level. Refer to ENGINE OIL LEVEL.

Remove fender protector side cover. Refer to Exploded View.

Disconnect the harness connector from the oil pressure switch. Remove oil pressure switch using suitable tool and install suitable tools (A/B).

CAUTION:

Do not drop or shock oil pressure switch.

Start the engine and warm it up to normal operating temperature.

Check oil pressure with engine running under no-load, using suitable tool.

NOTE:

• When engine oil temperature is low, engine oil pressure becomes high.

• If difference is extreme, check oil passage and oil pump for oil leaks.

After the inspections, install the oil pressure switch using suitable tool as follows:Remove the old sealant adhering to oil pressure switch and engine. Apply thread sealant and tighten the oil pressure switch to specification.

Use Genuine High Performance Thread Sealant, or equivalent. Refer to Recommended Chemical Products and Sealants.

Install fender protector side cover. Refer to Exploded View.

WARNING:

• Be careful not to burn yourself, as the engine oil may be hot.

Position the vehicle so it is level on the hoist.

Warm up the engine and check for engine oil leaks from the engine.

Stop engine and wait for 10 minutes.

Remove the oil pan drain plug (1) and oil filler cap.

: Front

Drain the engine oil.

Install the oil pan drain plug (1) with a new washer and refill the engine with new engine oil.

CAUTION:

• Be sure to clean the oil pan drain plug and install with a new washer.

• The refill capacity depends on the oil temperature and drain time. Use these specifications for reference only. Always use the dipstick to determine when the proper amount of oil is in the engine.

Warm up the engine and check around the oil pan drain plug and oil filter for oil leaks.

Stop engine and wait for 10 minutes.

Check the engine oil level using the oil level gauge.

CAUTION:

Do not overfill the engine with engine oil.