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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

R12 TO R134A
07/16/2019 in the HVAC Forum
02 Dodge pickup belongs to my boss, I am a mechanic for a pipeline company, 43 years Ford experience. To convert to R134A he read on a forum, not here, that entire system must be flushed, all hoses replaced, drier replaced and compressor replaced or oil d...
2008 ford f250 high side line leak at compressor
07/15/2019 in the HVAC Forum
[HVAC: 08 Ford F-250 Super Duty XL 5.4L] just checking if any one has ran into this replaced ac high pressure line from compressor to condenser last summer twice, the last one was under warranty now I have a leak again were line connects to compressor.
oil charge
07/14/2019 in the HVAC Forum
This question isn't about a specific vehicle but maybe would apply to most ? Let's say you're recovering refrigerant in a R134 system and you find that it recovers an excessive amount of oil,maybe 3 oz. or more as an example. I tend to think that this mig...
System performance testing
07/04/2019 in the HVAC Forum
I am seeing some high temperatures these days."HOTTER THAN THE 4th OF JULY" And with them, people with A/C problems to deal with. In the post below you find people working to get the systems going the best they can. But they run into problems with sharing...
2010 Chrysler Town?country Triple zone manual AC
07/01/2019 in the HVAC Forum
[HVAC: 10 Chrysler Town & Country Touring 4.0L] Vehicle came in for performance concerns 78 F ambient and 68f at vents after 20 minute drive on Max. customer claims it best driving highway, but around town becomes worse. Felt like low charge, connect gau...

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