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Automotive HVAC Forum

Professional automotive forum for discussion of heating, ventilation, and air conditioning maintenance and repairs. Includes discussion of refrigerants, refrigeration lubricants, system analysis and diagnostics, filtration, HVAC-specific tools & equipment, best practices, and more. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Technical Discussion Forum.

Recent Automotive Discussions in the Automotive HVAC Forum

Caravan rear evaporator corrosion
08/17/2018 in the HVAC Forum
Hi, I have had a few Caravans in with problems of rear evaporator leaks due to corrosion of the lines or especially between the seat of the sealing washers and the expansion valve. The newest one I have seen now is a 2015. Does anyone have any suggestions...
Best price for R134a
08/17/2018 in the HVAC Forum
Do you folks know of a good price on R134a? I use to buy from Sam's Club but they no longer stock it. Thank You and have a GREAT DAY !!!
A/C Compressor Failure, In General
08/17/2018 in the HVAC Forum
Boy this topic should really generate some varied opinions, but here I go :O) I'm gonna say on an average I'm talking ten to fifteen year old vehicles. At our shop we work on Acura, Honda, Subaru and Toyota's. Over the years I'll venture and say SOME Hond...
condenser flushing
08/16/2018 in the HVAC Forum
[HVAC: 08 Dodge Nitro SE 3.7L] Hi, this vehicle came in for the a.c. not working. The system was empty and you could see oil/ dirt around the expansion valve. So I replaced the expansion valve. When I went to recharge the system the compressor would not ...
Hvac Recirculate Housing/ b105d
08/16/2018 in the HVAC Forum
[HVAC: 13 Dodge Avenger SE 2.4L] Hello all, This Avenger came in from an auction with a clicking recirculating actuator clicking. I replaced the actuator with a Mopar part number [...] and performed the re calibration process with an Autlel Maxisys the c...

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