Tanner Posted July 26, 2016 Share Posted July 26, 2016 Anyone know if i currently have the system charged with 134a if I can basically evac and then recharge with the 12a or is that a big no no? I don't know a whole lot about it so any input would be helpful Link to comment Share on other sites More sharing options...
HOrnbrod Posted July 26, 2016 Author Share Posted July 26, 2016 RED TEK® 12a™ is a proprietary blended ultra high efficient hydrocarbon refrigerant designed as a direct replacement for 134a and R-12 substitutes. Quoted from their website. http://www.redtek.com/English/product.asp?ID=53 Link to comment Share on other sites More sharing options...
Tanner Posted July 26, 2016 Share Posted July 26, 2016 awesome thanks! Link to comment Share on other sites More sharing options...
caseyrstewart Posted April 9, 2017 Share Posted April 9, 2017 Hey guys, I appreciate the recommendation. I've got an '87 Comanche that hasn't blown cold for a couple years now. I thought perhaps the system needed a recharge, so I purchased the Red Tek 12a package from Amazon, started by hooking up the can of leak stop and oddly enough found the pressure to be very high (like 75-80 PSI). I believe I hooked it all up properly. I used the adapter with the blue cap and threaded to the service port with the larger hose. Am I doing something wrong here? Best, Casey Link to comment Share on other sites More sharing options...
HOrnbrod Posted April 9, 2017 Author Share Posted April 9, 2017 Did you open the low side service valve, start the engine, then turn on the A/C? Link to comment Share on other sites More sharing options...
caseyrstewart Posted April 24, 2017 Share Posted April 24, 2017 Did you open the low side service valve, start the engine, then turn on the A/C? Got it! Didn't realize the service ports had valves underneath a cap... Link to comment Share on other sites More sharing options...
cruiser54 Posted April 24, 2017 Share Posted April 24, 2017 Link to comment Share on other sites More sharing options...
SBpunk Posted May 3, 2017 Share Posted May 3, 2017 You should do a writeup for dummies on this hahaha I tried an ended up locking up my compressor temporarily. Pulled it to replace it and the old one spun better than the junkyard one I pulled. Link to comment Share on other sites More sharing options...
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