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.
| MVAC compliance details 05/29/2025 in the HVAC Forum A few details continue to lack an overwhelming agreement or consensus: 1) When recovering, evacuating and charging MVAC, does a 609 approved machine consider or allow for the refrigerant in the hoses? Should a Technician charge an extra ounce or two of re... | ||
| Problems with Mastercool4000 R1234YF machine 05/27/2025 in the HVAC Forum I wanted to touch base with those of you have used the R1234YF machines. Three years ago I invested in a [...] machine because I was starting to get some vehicles calling in for R1234YF repairs. I waited months because it was on back order but did get it.... | ||
| Reduced diameter barrier hose 05/22/2025 in the HVAC Forum Looking at refreshing my kits for John Deere hoses, like the ones from APAir for the 40 &30 series. 461-741-0. I am wondering if the reduced ac hoses available in bulk have the same dimensions. I am sure the id's are the same, but what about the od's, sin... | ||
| Flushing Machine 05/19/2025 in the HVAC Forum [HVAC: 16 Ford Transit-250 3.7L] We may have a contaminated system in this vehicle from multiple compressor failures.(front system only) We HAVE been fairly successful with our present system, but may consider an alternative. We have been using the press... | ||
| Dash control module 05/16/2025 in the HVAC Forum [HVAC: 12 Ram 1500 SLT 5.7L] We may need a dash control/module for this vehicle. It is the 3 knob control in the dash panel.-[...] is the OEM number that is obsolete. Does anyone rebuild these or offer reman units? Thanks! |
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