TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

Temperture Issue

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Old Jul 18, 2007 | 01:21 AM
  #1  
2003A4Cabrio's Avatar
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Default Temperture Issue

All, I try the instruction to see the temperature of my car through out the air-condition display and the car's temperature goes up and down a lot.

While I am driving the temp stay at 87-89C. Then the car is at a stand still the temp goes up to 104C then it goes down a bit. The temperature gauge moves accordingly. I turn the A/C on then the temp goes down 15C fro 104. It seems it may be a sensor to kick the fan on or the radiator just not cooling it fast enough. I may replace the temp sensor just to be safe first.
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Old Jul 18, 2007 | 03:42 AM
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InTTruder's Avatar
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Normal? W/O AC, fans cycle on the FCM (fan control module) IIRC.
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Old Jul 18, 2007 | 04:43 AM
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Default Thats normal.

Fans kick on at 104 to cool the car down.

A/C on = fans on regardless of temp.
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Old Jul 18, 2007 | 05:17 AM
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Sounds fine to me!
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Old Jul 18, 2007 | 11:48 PM
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Default Re: Normal? W/O AC, fans cycle on the FCM (fan control module) IIRC.

Not to argue with anyone. I never had any of my Audi's temp gauge go up and down before so it did seem norm to me. So maybe someone who owns a newer Audi TT can share their opinion.
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