Audi Q7: Heating, Ventilation & Air Conditioning

 Gear Oil, Draining and Filling

Gear Oil, Draining and Filling, Front Final Drive Special tools and workshop equipment required Used Oil Collection and Extraction Unit -SMN372500- Pressurized Gearbox Oil Filler Kit -VAS6617- Protective Eyewear Draining The engine is off. Move the vehicle onto a 4-column shop hoist or over

 CAN-Bus Terminal Resistance, Checking

General Description The Engine Control Module -J623- communicates with other CAN-Bus capable control modules. The control modules are connected by two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information (messages). Missing information on the CAN-bus is reco