Audi Q7: Maintenance and Care

 Control Arm, Removing and Installing

Special tools and workshop equipment required Spreader Tool -3424- Torque Wrench 1332 40-200Nm -VAG1332- Engine and Gearbox Jack -VAS6931- Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- Ball Joint Splitter -VAS251805- Removing Before starting work: - Versions with coil springs

 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