Engine Lubrication: Description and Operation

Lubrication System Components, Removing and Installing

CAUTION!
Before beginning repairs on the electrical system:

• Obtain the anti-theft radio security code.

• Switch the ignition off.

• Disconnect the battery Ground (GND) cable.

• On vehicles equipped with Audi Telematics by OnStar, switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting vehicle battery.

• After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Information and/or Owner's Manual.

• After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar, switch-on the emergency (back-up) battery for the Telematic/Telephone Control Module.

• If large quantities of metal shavings or abraded material are found in the engine oil while servicing the engine, the oil passages must be carefully cleaned to prevent resulting damage and the oil cooler must be replaced.

• Oil level must not exceed max. marking - danger of catalytic converter damage!

• Oil injector jet for piston cooling => [ Oil spray jet for piston cooling ] Lower Oil Pan, Oil Pump Component Overview