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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

05/27/2020 in the HVAC Forum
[HVAC: 76 Lincoln Mark IV 7.5L] I have a customer I call Super Fly, he has a Lincoln Mark lV (I thinks its the pimp edition). He wants me to get his AC working and I was thinking of a R134 Conversion. This will most probably follow with a leak detection ...
YF 1234 leak detection tips
05/22/2020 in the HVAC Forum
Group, Been doing YF for about a year now and have finally come across a leaker and it was a car that took a good shot in the nose. Body shop we are charging it for replaced the condenser and compressor for damage, used junk aftermarket parts that did not...
Compress inop, no AC request, but AC light is on
05/21/2020 in the HVAC Forum
[HVAC: 04 Toyota Highlander 3.3L] Hi folks, I have some questions on this vehicle, if someone has a chance. Is the AC request sent over the network to tell the pcm the AC is being requested? The compressor does not engage, but if the control side of the ...
AC system for 1980 Chevy C70
05/18/2020 in the HVAC Forum
I have a customer that wants an AC system in his 1980 C70 Chevy Grain truck with a 350 engine. Anyone ever done this or have any idea who might supply a kit to do this?
05/14/2020 in the HVAC Forum
[HVAC: 07 Scion tC 2.4L] Need help, need A/C schematic for scion TC / where is the A/C relay located?

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