2009 Audi A8 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2009 Audi A8 Quattro

2009 Audi A8 Quattro Problems

Overheating Due to Failing Thermostat

The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.

Oil Leak From Transmission Output Shaft Seal

A fluid leak may develop from the propeller shaft seal on the rear of the transmission. Our technicians tell us that replacing the seal will commonly correct this concern.

Premature Wear in Multi-Link Suspension Components May Cause Noise

Premature wear in various multi-link suspension components can cause noises that are difficult to diagnose. Worn suspension parts can also cause uneven tire wear and create steering alignment problems.

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2009 Audi A8 Quattro Questions

Does the timing chain really needs to be replaced? (1 answer)

The camshaft solenoid was replaced to fix check engine light with fault code P0024. Check engine light reappeared after a month with same fault code. I was advised that I now need to replace the timing chain, tensioners, and guides. According to the technician, the timing chain may have stretched...

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