Question about 2001 Audi A4
No or little heat; was told by Audi dealer that heater core is plugged; did not quite belive them (I do not want the IP out);got water running through the heater core from return to inlet - took air out; car was good for 3 weeks then just luke warm air; got the water pump/thermostat/timming belt changed (I had that planned anyways) and no change....issue still there. Now if I pull the inlet hose while engine on and go higher RMP I do not get coolant flow toward core, engine and coolant temp are OK, coolant level OK. That means that the heater core is plugged??? I do not want the IP out, should I try one more time to unplug the core, any good procedures that I need to follow??
There is a valvve that lets the coolant thru the heater core when heat is selcted then when it is off it goes thru thur the return instead of the heater core i bet your car is running a little off if it is the vavle works of a vacuum line and the vavle has a crack in it
Posted on Dec 10, 2008
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Posted on Jan 02, 2017
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