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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

Machine reccomendations
04/17/2024 in the HVAC Forum
Another fleet asked me to recommend A/C machines, this would be 134A only, any thoughts good or bad? What to avoid? The tech there is fairly new to A/C work. Thanks in advance.
R1234yf dye injector
04/08/2024 in the HVAC Forum
Started seeing more of this R1234yf stuff here. Not sure why we haven't had more, but maybe we just get "junk" stuff here. Anyway, I like to use the dye for leak detection when I can-I don't have a problem getting the customer to come back(small town). Wh...
ford expansion valves part two, or three?
03/27/2024 in the HVAC Forum
To follow up on my previous post, some good thoughts were expressed. Air. Condensor restriction. Replace accumulator/drier and flush. Hmmm. Glen linked a previous post someone else had, and I saw where I had commented about the syndrome four years ago. Hm...
2017 Enclave front evaporator core
03/22/2024 in the HVAC Forum
[HVAC: 17 Buick Enclave Convenience 3.6L] Need to replace the front evaporator core in this vehicle. Looks like a lot of time involved. Anyone have any tips or experience doing one of these? Thanks!
ford expansion valves
03/21/2024 in the HVAC Forum
[HVAC: 18 Ford F-250 Super Duty XL 6.7L] Hello, good afternoon. Wondering if anyone has had problems with ford expansion valves? The pattern seems to be truck/car/suv comes in with a/c not cooling, fans on high, high pressures, 450psi. This one is a supe...

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