Thread: 2013 A/C Issues
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Old 06-22-2013, 12:06 AM   #29
wally mayfield

 
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Drives: 2013 2SS 6M
Join Date: May 2013
Location: eastern high sierra
Posts: 893
snymat68...134a isn't as good as the old r-12, but my duramax with 134a runs just a tad under 40* measured at the vent..you need to have a fresh supply of wind going across the condenser coil, slow driving could cause a bit higher temp...

what I've done when charging my s-10 was to put a good fan in front of the coil and watched the compressor clutch..and read the gauges...but it needs to really blow as if driving a a decent clip..
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