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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

2010 dodge challenger air door
01/02/2023 in the HVAC Forum
[HVAC: 10 Dodge Challenger SE 3.5L] Ok this is my personal car. Recirculation air door code. Shaft is snapped off of the door. Door works very freely not an issue. so I tried to repair the door, I actually turned a part on my lathe and attached with a sc...
Blower Inoperative
12/13/2022 in the HVAC Forum
[HVAC: 13 Jeep Grand Cherokee Limited 3.6L] Greetings. The above Jeep came to me with no blower and a B10EB-14 "blower motor control circuit open or short to ground" stored . Testing led me to find that there is no ground signal to the coil side of the b...
Flash gas! Sub-cooling!
11/14/2022 in the HVAC Forum
Oh my! Ok y'all, this is no surprise to me. The auto industry seems to have taken notice the past few years. They have discovered that by sub-cooling the liquid line before introducing the refrigerant to the evaporator, the air conditioner will perform be...

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