I was just reading through other threads and noticed something... could someone please enlighten me.
Does a vehicles heater have some interaction with the AC?
My heater core is currently by-passed, because it is leaking and is a real pig to change. Would this affect AC operation/efficiency (once I get my AC back together!)?
only if for some reason air is passed over the heater core at all times and a heater core bypass valve is used. i gather that some vehicles used this method while others use a blend door to direct air away from the heater core when not in use.
Thank you for explaining 98audiA4, much appreciated.
I think mine has a blend door arrangement.
I've read the AC system dehumidifies the heated air in defrost mode. Have you noticed when turning-on defroster on AC-equipped rides, the compresser runs? But in your case, a cold ride in winter.
Edited: Sat August 14, 2010 at 2:23 PM by SeppW
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