a/c is not working
06-25-2010, 11:13 AM
#1
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a/c is not working so my ac only blows out hot air so i thought id go get a recharge kit and take care of that. When i hooked it up it was WAY over full, so i drained it all out and put the right amount in. but it still never got cold. so i tryed it again drained it out and put more in. still nothing the compressor is kicking on but it just never gets cold. any ideas on what i should try. i dont think its a leak cause i never loss any refrigerant but the ac never will get cold.
06-25-2010, 01:19 PM
#2
Your AC system cannot magically get "overfull"
The little gauges on the cans of r134a are junk, you need a manifold gauge set to do any pressure testing. The can gauges and are just a guess of pressure based on cycling ac system. A non running AC comoressor wil show the static pressure of the system, which will respond to this chart value.
http://www.csgnetwork.com/r134apresstempconv.html
as long as you have any liquid refrigerant in the system.
When you say you removed the excess and recharged, did you use 2 full cans? (1.5#)
Ryan
The little gauges on the cans of r134a are junk, you need a manifold gauge set to do any pressure testing. The can gauges and are just a guess of pressure based on cycling ac system. A non running AC comoressor wil show the static pressure of the system, which will respond to this chart value.
http://www.csgnetwork.com/r134apresstempconv.html
as long as you have any liquid refrigerant in the system.
When you say you removed the excess and recharged, did you use 2 full cans? (1.5#)
Ryan