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A3 Quattro

Squeaking is often drive belt or pulley related but in your case the starter motor would have to be considered as well. If the starter turns, or you hear significant noise at starting, but the engine literally is not turning...

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Hello. If the misfire is only on that cylinder, then it may have a bad spark plug (https://www.yourmechanic.com/services/spark-plugs-replacement) or ignition coil (https://www.yourmechanic.com/services/ignition-coil-replacement). The coils are a common failure on this vehicle. If the misfire is on multiple cylinders, then the...

Hello. It is common for the PCV valve (https://www.yourmechanic.com/services/pcv-valve-hose-replacement) to fail on this engine, and some of the time, it will cause the rear main to leak also. As for the power control, this means that there is an electrical...

Hi there. Typically when you hear a grinding noise when you move forward or in reverse it's usually an indication of a gear fault either in the transmission or another driveline component. If this occurs only when in reverse, it's...

Hello. Most of the time, this is caused by a failure in the transmission. It may be as simple as a low or contaminated fluid (https://www.yourmechanic.com/services/transmission-fluid-service). I usually check the fluid and change it if it is bad. If the...

Hello. Most of the time this is caused by a failing clutch or the hydraulic system that may be failing. I usually start by checking the transmission fluid (https://www.yourmechanic.com/services/transmission-fluid-service) first. If the fluid is old or burnt and broken down,...