Audi Q7: Battery, Starter, Generator, Cruise Control

 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

 Technical Data

Capacities Refrigerant R134a and refrigerant oil. Refer to →Fluid Capacity Tables; Rep. Gr.03.   Note Pay attention to the different capacities for refrigerant R134a in vehicles without a rear heater and A/C unit (with an evaporator) and in vehicles with a rear heater and A/C unit (w