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Heating system on my 2005 Audi A4 2.0 diesel is not working properly and all pumps etc have been replaced. Agent now talking about the radiator or head gasket.

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Does it have air in the cooling system , do you mean the cab heater or the engine is overheating ??

Posted on Oct 24, 2010


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2005 kia spectra over heating

Did you install a new thermostat and make sure to bleed all the air out of the system when you replaced the radiator? If you didn't, or installed a Stant thermostat, replace it with a FACTORY OEM thermostat. Make sure the cooling system is bled by opening your radiator cap (WHILE THE CAR IS OFF AND COLD), starting the car and running the heater. Add coolant to the radiator as the engine heats up, until is at normal operating temperature AND starts spitting coolant back out.

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If you're in the northeast US, reply here with an email address and we can talk. I do Audi servicing out of my own garage and can likely beat the indie shop's prices (and the dealer for sure) since I don't have the overhead of a shop:)

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hi tammy
it could be an air lock stopping the water from circulating properly i seem to recall this problem on the older VW Derby and audi 50 (same engine) there is a small bleed screw at the highest point on the cooling system that allows you to bleed this air out youll find its location in the manual

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