Audi Q7: Passenger Protection, Airbags, Seat Belts

 Knock Sensor 1 - G61-, Checking

General Description The Knock Sensor 1 -G61- is a tuned accelerometer on the engine which converts engine vibration to an electrical signal. The Engine Control Module -J623- uses this signal to determine the presence of engine knock and to retard spark timing, if necessary. Special tools and wor

 Spring, Removing and Installing

Spring, Removing and Installing, Coil Spring Special tools and workshop equipment required Pneumatic/Hydraulic Foot Pump -VAS6179- Spring Tensioning System -VAS6274- 30 mm long centering spring -5- from the Spring Tensioning System - Audi Set -VAS6274/10- Supplement Set VAS6274/12 -VAS6274/12