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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

Beadlock flaring tool
12/10/2017 in the HVAC Forum
We service a lot of custom and oddball cars for which parts are not necessarily available, so we make a lot of our own plumbing. I'm looking for a tool to make the o-ring flare on the ends of bulk aluminum line. We have a MasterCool 71475 kit, which I've ...
Changes?-Purchasing?-January 1, 2018?-HC/HFO Certification?
12/09/2017 in the HVAC Forum
Changes?-Purchasing?-January 1, 2018?-HC/HFO Certification? Lately, I have been hearing and reading a lot about the renewed interest (concerns) of others wanting to know if their Section 608 certification and/or Section 609 certification is/are good for t...
Turkey Fun!
11/19/2017 in the HVAC Forum
Turkey Fun! A micro-sized Thanksgiving turkey is given the task to clean up [this] mess. The micro-sized Thanksgiving turkey enters the area, but cannot go back out the way it came in. Can the micro-sized Thanksgiving turkey succeed from the inside, or do...
71 Mustang A/C Freezing up
11/14/2017 in the HVAC Forum
[HVAC: 71 Ford Mustang Mach I 5.8L] This car came in, owner had replaced the compressor and expansion valve,wanted it recharged. Looks like a York type compressor, but its aluminum. It has service ports on the head of the compressor. Its a R134 system. T...
6 Days in my Shop.and still NO HEAT
11/12/2017 in the HVAC Forum
[HVAC: 06 Volkswagen Jetta TDI 1.9L] As a retired VW tech I still fix a few VWs at my home. This Jetta is owned by a nice young, polite lad. He does some work on it himself. He says that the cooling system has been acting strange all summer. The temp gau...

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