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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

BMW replacement evaporators are junk
05/26/2023 in the HVAC Forum
This is the second BMW evaporator I've replaced in three weeks. Both replacement parts were sourced from our local BMW dealer. The first one had pipes so bent out of shape it wouldn't fit in the case. The dealership sent another and if fit acceptably. The...
Robinair customer service
04/28/2023 in the HVAC Forum
Just wanted to give robinair a shout out. At the end of last ac season my ld7 leak detector malfunctioned and the graphing mode of leak detection would not work. I was told they are not repairable. It was out of the 2 year warranty by 2 months. I didn't r...
Large Freon leak
03/27/2023 in the HVAC Forum
[HVAC: 20 Ford Expedition Limited 3.5L] This expedition has absolutely no freon in it. Are there any suspected areas that anyone has found on these vehicles? It has the new style r1234 in it. I would hate to charge it and then have it leak out- Has anyon...
regulation question
03/23/2023 in the HVAC Forum
Not that I want to add a new wrinkle or add fuel to the fire with the Bryan - Dan & Glenn show, but after semi-following their back & forth about regulations & interpretations, it turns out I have a question about certification requirements. I' looking at...
03/20/2023 in the HVAC Forum
[HVAC: 94 Buick Park Avenue Ultra 3.8L] Question please, This Buick is in need of the programmer for the HVAC, we struggled last summer tiring to locate one that was in working order. Does anyone know of a rebuilder OR possible a new OEM IE: NEW OLD PART...

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