Oil Cooler: Service and Repair
Oil Cooler
Special tools, testers and auxiliary items required
• Drip tray for workshop crane (VAS 6208)
• Spring-type clip pliers (VAS 5024 A)
Removing
CAUTION!
Cover cap of expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.
- Open cap of coolant expansion tank.
- Remove engine cover - arrows -.
- For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.
- Loosen quick-release fasteners - 1 - and - 2 - and remove front noise insulation.
- Remove quick-release fasteners - 3 - and remove rear noise insulation, if installed.
- Drain engine coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures
- Remove intake manifold and fuel rail.
- Remove bracket for cable connector - arrows - from coolant pipe.
- Disconnect coolant hose - 1 -.
- Remove bolts - 2 -.
- Disconnect coolant hoses - arrows - from coolant pipe.
- Remove bolt - 1 - and remove coolant pipe.
- Remove oil cooler - arrows -.
Installing
Installation is in reverse order of removal, note the following:
• Always replace gaskets and seals.
• Secure all hose connections using hose clamps appropriate for the model type.
- Fill with coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.
Tightening Specifications