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TT Quattro

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Car shuts off while idling
Hello. This can be caused by many things on this vehicle, but the most common one is the crankshaft position sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement). I have seen many of these fail on this car and cause this. I usually use a scan...
Blown head gasket but no water in oil and now it will not start
If for some reason the engine was over full of oil by 5 quarts then you may have oil above the pistons causing the no crank. All spark plugs will need to be removed and engine rotated to see if...
How do you know if your secondary air injection system is bad?
Hi David, Generally when the secondary air pump (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-air-pump) goes bad, this will cause the motor to run rough due to the incorrect readings being generated by the oxygen sensors as well as overall lack of horsepower. This is all...
While driving I heard a clicking/knocking sound from the driver's side rear.
It could be as simple as having picked something up in the tread of the tire. It's surprising how much noise you can get from something like a bottle cap stuck in the tread. A good place to start is...
Transmission trouble - 2002 Audi TT Quattro
Hello there. Clutch issues are common with your 2002 Audi Quattro. Given than the clutch is only able to engage when the engine is turned off, there are only a few likely culprits. The most common would be a failed...
Engine makes a wooshing noise
Hello. This is a common problem on this vehicle. In some cases it is caused by one of the intake hoses coming loose but most of the time it is caused by a failure in the turbo bypass actuator. These...
Why would the bolts that connect the CV To the wheel come loose
The CV axle end goes through the wheel hub and hub bearing and is held on to the wheel hub by a large nut that is very tightly torqued. There are no bolts involved, only that one nut. The wheel...
My 2001 Audi TT Quattro didn't want to engage first gear so I forced it in and I was stuck on first gear even if I clutch it won't
There are two possibilities: there is a clutch or clutch control (hydraulics, etc.) malfunction or the synchronizer and/or related assemblies in the transmission itself is faulty. To distinguish between the two and thence pinpoint the issue, the recommended service is...
Secondary air injection
Hi There, As you may know, the purpose of the secondary air injection system is to inject more air into the exhaust system at cold start to help light the catalyst material inside the catalytic converter quicker. The reason for...
Car dropping battery charge on start up, then dying after driving for a bit
Hi there: Once your engines starts, the job of the battery is complete and falls on the alternator to power all vehicle accessories and electrical systems. The issue may be with the alternator or some of the electrical relays that...
Creaking noise upon releasing the clutch
Hello. This is usually caused by either a worn out engine (https://www.yourmechanic.com/services/engine-mount-replacement) or transmission mount or an issue with a worn out suspension bushing. Either one will allow parts to move when they should be stationary and will cause this...
Washer fluid not coming out
Hi. The windshield washer reservoir would need to be inspected to see if the reservoir is cracked. Other issues could be that the level sensor, pump motor or seals are starting to fail. I would recommend you have a mechanic,...

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