Audi Q7: Rear Final Drive, Differential

 Secondary Air Injection Pump Relay - J299- / Secondary Air Injection Pump Motor - V101-, Checking

General Description The secondary air injection system sends air into the exhaust using passages in the cylinder head. This extra air injection takes place using the Secondary Air Injection Pump Motor -V101- that is powered by the Secondary Air Injection Pump Relay -J299- on a cold-start of the

 Backrest Adjuster, Removing and Installing

Backrest Adjustment Hand Wheel, Removing and Installing Special tools and workshop equipment required Assembly Tool -3399- Removing - Move the front seat all the way forward into its highest position. - Turn the backrest adjustment wheel -1- until one catch is visible from behind -a