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Title basically says it all. I need to convert from R12 to R134, and was told that the ac was discharged when I bought the truck, but I want to double check. Thanks

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up vote 0 down vote accepted

Assuming everything is hooked up properly, try turning on the A/C to the max. If it's weak or non-existent, it's got no pressure to work with.

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Got it fully charged. still no cold air unfortunately :( will have to see if I can do anything else, othrwise, will just have to take it in. – Tom Oct 1 '12 at 1:29
Is the compressor kicking in? – Nick Oct 2 '12 at 22:09
Looks like it kicks on and then off after a couple of seconds. no real work being done. – Tom Oct 4 '12 at 20:37

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