Oil Cooler: Service and Repair

OIL COOLER

Image Symbols:

WARNING: Be careful not to get burn yourself, as engine oil and engine coolant are hot.

REMOVAL

NOTE: When removing oil cooler only, step 1 is unnecessary.

1. Drain engine coolant from radiator and cylinder block.

NOTE: Perform this step when removing water pipes.

2. Remove oil filter.

CAUTION: Do not spill engine oil on drive belts.

3. Disconnect water hoses from oil cooler.
^ When removing oil cooler only, pinching water hoses near oil cooler to prevent engine coolant spilling.

CAUTION:
^ Perform this step when engine is cold.
^ Do not spill engine coolant on drive belts.

4. Remove connector bolt, and remove oil cooler.

CAUTION: Do not spill engine oil to rubber parts such as drive belts and engine mounting insulator.

5. Remove water pipes, as necessary.

INSPECTION AFTER REMOVAL
Oil Cooler
Check oil cooler for cracks. Check oil cooler for clogging by blowing through engine coolant inlet. If necessary, replace oil cooler.

Relief Valve
Check relief valve for movement, cracks and breaks by pushing the ball. If replacement is necessary, remove relief valve by prying it out using a suitable tool. Install a new relief valve in place by tapping it in.

INSTALLATION
Installation is in the reverse order of removal, paying attention to the following.
^ Make sure that no foreign objects are adhering to the installation planes of oil cooler and oil pan (upper).
^ Tighten connector bolt after aligning cutout on oil cooler with protrusion on oil pan (upper) side.





Connector bolt torque: 49 Nm (5.0 kg-m, 36 ft. lbs.)

INSPECTION AFTER INSTALLATION
1. Check the engine oil level and the engine coolant level, and add engine oil and engine coolant.
2. Start engine, and make sure that there are no leaks of engine oil or engine coolant.
3. Stop engine and wait for 10 minutes.
4. Check the engine oil level and the engine coolant level again.