Oil Cooler: Service and Repair

Engine Oil Cooler Replacement

Removal Procedure




1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement Air Cleaner Outlet Duct Replacement.
2. Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716 Fill) Cooling System Draining and Filling (GE 47716 Fill)Cooling System Draining and Filling (LY7, LZE, LZ4, LZ9) Cooling System Draining and Filling (GE 47716 Fill).
3. Reposition the surge tank outlet hose clamps at the thermostat housing and oil cooler.
4. Remove the surge tank outlet hose from the thermostat housing and oil cooler.




5. Reposition the radiator outlet hose clamp at the oil cooler.
6. Remove the radiator outlet hose from the oil cooler.




7. Remove the oil cooler bolts.
8. Remove the oil cooler.

Installation Procedure




1. Position the oil cooler to the engine block.
Caution: Refer to Fastener Caution Fastener Caution.

2. Install the oil cooler bolts and tighten to 22 Nm (16 lb ft).




3. Install the radiator outlet hose to the oil cooler.
4. Position the radiator outlet hose clamp at the oil cooler.




5. Install the surge tank outlet hose to the thermostat housing and oil cooler.
6. Position the surge tank outlet hose clamps at the thermostat housing and oil cooler.
7. Fill the cooling system. Refer to Cooling System Draining and Filling (GE 47716 Fill) Cooling System Draining and Filling (GE 47716 Fill)Cooling System Draining and Filling (LY7, LZE, LZ4, LZ9) Cooling System Draining and Filling (GE 47716 Fill).
8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement Air Cleaner Outlet Duct Replacement.