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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| R-22 and R-502 05/25/2013 in the HVAC Forum I just learned that my new boss is using what is advertised as R-22/R-502 refrigerant in R-134 equipped systems. Not being an expert in HVAC, but I know this is wrong. My question is, what can I say or show to him to prove this is a bad idea? He claims it... | ||
| ATC diagnosis for 97 Riviera 05/24/2013 in the HVAC Forum Does this vehicle have self diagnostics or does it need a scanner to communicate and read codes ? I replaced the radiator 2 months ago. Now the customer has no cool air. AC compressor engages but no cold air. | ||
| Parts for Robinair 16900 Refrigerant Identifier 05/24/2013 in the HVAC Forum I was wondering where guys are getting parts for either the 16900, or 16910 identifiers. The part that I need is the 19712 air sensor for my 16900, but I understand that this fits either of these two models. The least expensive that I have found this part... | ||
| LARGE SCHRADER VALVE TOOL 05/22/2013 in the HVAC Forum A/C season is upon us and once again I'm scratching my head to find a quality tool to remove the large Schrader valves found in some late model vehicles. In the past I have had an assortment of factory tools, snap-on(don't have the number) and some cheap ... | ||
| reset procedure for a/c after recharging 05/22/2013 in the HVAC Forum [HVAC: 01 Mercedes-Benz CLK320 3.2L] Hello HVAC Forum, I am needing a little help on this M-B. The a/c was not working due to no freon in the system, I recharged it and performed a reset procedure I found in alldata where I have to cycle the key on and s... |
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