Oil Cooler: Service and Repair
Oil Cooler
Special tools, testers and auxiliary items required
• Drip Tray (VAS 6208)
• Hose Clip Pliers (V.A.G 1921)
Removing
Cover cap of expansion tank with a rag and open carefully, as hot steam or hot coolant may escape when opening.
- Open cap of coolant expansion tank.
- Disconnect the electrical connector on the mass airflow (MAF) sensor (G70) - 3 -.
- Open clips - 1 and 2 - and remove air guide hose from MAF sensor.
- Remove front air intake connector on lock carrier - 4 -.
- Remove engine cover.
- Remove center noise insulation fasteners - 1 to 4 -.
- Remove noise insulation frame - arrow -.
- Drain the coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.
- Remove the intake manifold and fuel rail.
- Remove bracket for cable connector - arrows - from coolant pipe.
- Disconnect coolant hose - 1 -.
- Remove the bolt - 2 -.
- Disconnect coolant hoses - arrows - from coolant pipe.
- Remove bolt - 1 - and remove coolant pipe.
- Remove the oil cooler - arrows -.
Installing
Install in reverse order of removal. Note the following:
• For the correct tightening specifications, refer to => [ Oil Filter Bracket Overview ] Oil Filter Bracket Overview
• For the correct tightening specifications, refer to => [ Cooling System Overview ] Removal and Replacement
• Always replace gaskets and seals.
• Secure all hose connections using hose clamps appropriate for the model. Refer to the electronic parts catalog ETKA.
- Fill with coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.