KGreb Posted December 18, 2006 Share Posted December 18, 2006 Just dropped my '05 off at the dealer for an odd problem. The passenger side of the dual mode climate control does not heat, regardless of setting. It feels more like AC than outside air, but its hard to tell this time of year. Driver side still has full range of temp control. My dealer had a similar case on an '06 in which SOA engineering had to become involved. After changing almost the entire HVAC system, the root cause turned out to be a partially blocked heater core. This seems very odd to me, unless we have two heater cores? Has anyone else run into this problem? Link to comment Share on other sites More sharing options...
rao Posted December 18, 2006 Share Posted December 18, 2006 Interesting. Definately only 1 heater core. I vote for the air mix doors of which there are 2 a left hand and a right hand. Does the system "know" it isn't producing heat; does the fan speed raise up? Rob IF YOU CARE ABOUT YOUR CAR YOU SHOULD NEVER DRIVE IT Link to comment Share on other sites More sharing options...
KGreb Posted December 18, 2006 Author Share Posted December 18, 2006 System does not appear to know it is not producing heat. Symptoms were most visible when in manual mode, blowing from top center vents. Link to comment Share on other sites More sharing options...
KGreb Posted December 18, 2006 Author Share Posted December 18, 2006 Fixed. Apparently an arm for the air mix door mechanism had jumped off its track. I probably caused this when I was running some wires under the lower dash for my wideband O2. Dealer is giving me the benefit of the doubt and covering it under warranty, along with the fan relay TSB and replacing a seat trim piece which they noticed wasn't sitting right. Link to comment Share on other sites More sharing options...
rao Posted December 18, 2006 Share Posted December 18, 2006 I'm a genius!!! Glad to hear it is fixed. Rob IF YOU CARE ABOUT YOUR CAR YOU SHOULD NEVER DRIVE IT Link to comment Share on other sites More sharing options...
KGreb Posted December 18, 2006 Author Share Posted December 18, 2006 lol.. being a semiconductor guy I was all over the possible electrical failure possibilities and completely missed something simple and mechanical Link to comment Share on other sites More sharing options...
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