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.
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| replacement line segments/ fittings 07/02/2025 in the HVAC Forum I would like to replace this rotted line segment at the outlet of the rear evaporator core of this vehicle and re-connect to the hose segment. This short, ninety-degree, aluminum segment has a barbed end for exiting into barrier hose and the evap core end... | ||
| AC hose replacement and oil adding to the system 06/29/2025 in the HVAC Forum This is a general hose replacement ? when you have a AC hose burst , rupture , etc.... How do you figure how much refrigerant oil to add to the system when doing repairs. I know theses systems are getting smaller and smaller and the refrigerant and refrig... | ||
| 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... |
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