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    Alternator and Serpentine Belt Tensioner Questions

    Hi, I have 2004 A4 1.8T. At 72K miles - i was getting intermittent battery light coming on and battery connections were fine; but one morning, on cold start got a loud squealing noise. Link to YouTube to hear for yourself. Audi A4 Noise - YouTube I had just replaced the timing belt and water...
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    temp sensor

    I just went through this with my 2004 A4 1.8T. Ended up replacing both the thermostat and temp sensor. I had just recently replaced Timing Belt and WaterPump - then temp gauge started having intermittent fluctuations - from mid range to cool. Never overheating. The fault codes I got were...
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    Temp gauge fault

    Do you recommend DIY, indie garage or dealer repair?
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    Temp gauge fault

    yes, I am having similar issue. I have 2004 1.8 Turbo Avant. Am in the US, so running on gas. Mileage is 70K. Just did timing belt and water pump, and while no issue with WP, it was preventative since car was all taken apart. During that service the error codes 17700/P1292 - MAP controlled...
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    Faulty ECT Sensor, VAS Codes

    have cleared codes. And gauge did erratic stuff again - but when I had codes checked again, there was not any error code. It was suggested that perhaps it is the stat then. Does that make sense? Just dragging my feet having to do both, and find out whichever I pick to do doesn't work.... Any...
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    Faulty ECT Sensor, VAS Codes

    Hey forum members, need technical advice. Just replaced Timing Belt and WP - and during service fault codes 17700/P1292 and 19497/P3041 came up - and further event info listed 1039 ECT Sensor G2, open/short circuit to B+, sporadic. Ran my own tests, driving car, the temp gage is not...
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    2004 A4 1.8T, automatic transmission change?

    Have 2004 A4 1.8T automatic transmission, 70K miles - been current on all service but can't find any direction in owners manual or maintenance book on transmission fluid flush or change? what's recommended? I am researching and planning for Timing belt change and wanted to make sure if it made...
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    Have a 2004 A4 1.8T almost 70K miles, I am planning on timing belt replacement, and don't have...

    Have a 2004 A4 1.8T almost 70K miles, I am planning on timing belt replacement, and don't have details on transmission fluid replacement. Should I plan on having this service done at same time?