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dodgy temp gauge

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by stuhow3361, May 28, 2010.

  1. stuhow3361
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    stuhow3361 Member

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    the gauge on my a4 avant se works sometimes and then not.one person said it's a dodgy thermostat and another said the plastic impeller on the water pump has broken away from its bonding on the shaft.any thoughts on this would be appreciated.
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  2. drewbee
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    drewbee Member

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    could be the temp sender. i had the same problem and a £20 sensor sorted it out.
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  3. dhillon884
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    dhillon884 Member

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    First check out the temp sensor, its a common thing to go wrong... mine was faulty last year, i fixed it myself... as Drewbee said, about £20 for the sensor... plenty of threads on this forum on how to do it. on my 2.5tdi engine its right in the middle so just a simple swap using no tools...
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