Nissan Altima (L32) 2007-2012 Service Manual: Oil cooler

Removal and Installation

1. Oil filter

2. Oil cooler bolt

3. Water pipe

4. Water hose

5. Oil cooler

6. O-ring

7. Oil pan

8. Water pipe

9. Relief valve

10. Water drain plug

11. Copper gasket

12. Water connector

WARNING: Be careful not to get burned, engine coolant and engine oil may be hot.

CAUTION: • When removing oil cooler, prepare a shop cloth to absorb any engine oil leakage or spillage.

• Completely wipe off any engine oil that adheres to the engine and the vehicle.

REMOVAL

1. Drain engine oil. Refer to LU-23.

2. Drain engine coolant. Refer to CO-35, "Changing Engine Coolant".

• Do not spill coolant on the drive belt.

3. Disconnect water hoses from oil cooler.

4. Remove the oil filter. Refer to LU-25, "Removal and Installation".

5. Remove the oil cooler.

INSPECTION AFTER REMOVAL

1. Check oil cooler for cracks.

2. Check oil cooler for clogging by blowing through coolant inlet. If necessary, replace oil cooler assembly.

Oil Pressure Relief Valve

Inspect oil pressure relief valve for movement, cracks and breaks by pushing the ball. If replacement is necessary, remove valve by prying it out with a suitable tool. Install a new valve in place by tapping it.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION: When installing the oil cooler, align the oil cooler stopper with the stopper of the oil pan.

INSPECTION AFTER INSTALLATION

Start engine and check for leaks of engine oil or coolant.