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A6 overheating?

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by route66, May 10, 2007.

  1. route66
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    route66 New Member

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    [May 10, 2007]
    My A6(2000) is overheating. I've had a new viscose fan roller fitted but hasn't sorted it. The air con fan!?(one on left as you lookin) isnt kicking in. can anyone advise me. could it be a sensor or thermostat?? and are there other hidden places for fuses and relay switches apart from right side of dash bext to drivers door??
    Thanks- desperate
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  3. enda1
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    enda1 Member

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    [May 10, 2007]
    What engine is the car
    If it is overheating when you drive along at around 40-50 on a light throttle then chances are that it is nothing to do with the fans or the sensors as these ony kick-in in traffic or if your really thrashing it as the engine gets to hot and the radiator needs additional airflow from the fans to get the coolant temperature down
    This would you leave you with a mechaincal fault in the cooling system, either the thermostat is stuck closed and the coolant in the block doesn't circulate to the radiator to cool down or the water pump is on the way out
    When this happened on my A6 (1.8T) it turned it it was the impeller in the water pump (made of plastic???) was cracked so the pump wasn't puming properly.
    To get to it they had to take off the timing belt, so it wasn't a cheap fix
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  4. dummi
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    dummi smoking a6

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    [May 11, 2007]
    i'd second the waterpump problem have it checked or replaced and cambelt at same time
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