Audi Q7: Body

 Tire Wear and Service Life

General Information   Note Having the correct air pressure in the tires can also decrease the amount of tire wear and increase the tire mileage. Always make sure that the tires are inflated to the correct air pressure. Numerous demands are made on a tire. Depending on the use of the tire

 Compressor Magnetic Clutch - N421-, Checking

General Description The supercharger Compressor Magnetic Clutch -N421- is controlled by the engine control module (ECM) as required, i.e. the clutch is only engaged when high engine output is requested. The Compressor Magnetic Clutch -N421- is engaged and forms a frictional connection between th