AC cutting of on 99 5.3l
May 8, 2007 | 06:48 PM
#11
Originally Posted by Country Boy
I have an ac problem with my truck too... All of a sudden the drivers side blows all hot no matter what I do to the control, but the pass side will stay cold. Turn the truck off and back on and its fine again 
Aug 20, 2007 | 02:38 PM
#12
Originally Posted by bigbadwolf54
might try a pressure cycling switch........its located on the accumulator(the big silver oval thing on the passengers firewall) the old design switch has a brown colored rubberband around it and is known for failing....when your a/c kicks off try to jump the connector with a paperclip to see if the a/c kicks back on, or you can usually tap the switch and it will work as well.
also make sure the clutch fan is operating properly if still there.
also make sure the clutch fan is operating properly if still there.
Thank you man!!!
I had an issue with the ac turning off randomly while going down the road. Sometimes it would run no problem for 30 minutes or so, other times I couldn't get it to blow cold at all during a 30+ minute drive. I popped the hood and noticed the compressor was turning on and off real fast sometimes, or once in a while, or not at all depending on different times I turned the car on.
I took the truck (01 Blazer) to a friends shop and we checked the computer with a tech 2 and it was reading fine at the time, we then checked the pressure and it was perfect. I figured my compressor was going bad. I got to searching on here early this morning and found this post. I jumped the harness off that goes to the accumulator and it has worked perfectly since then. A buddy has an extra sensor so I am going over there to get it in a few hours.
Search worked great for me this time and I am posting for others that might search and find this!
Later,
Nick
Aug 20, 2007 | 05:24 PM
#13
Originally Posted by bigbadwolf54
might try a pressure cycling switch........its located on the accumulator(the big silver oval thing on the passengers firewall) the old design switch has a brown colored rubberband around it and is known for failing....when your a/c kicks off try to jump the connector with a paperclip to see if the a/c kicks back on, or you can usually tap the switch and it will work as well.
also make sure the clutch fan is operating properly if still there.
also make sure the clutch fan is operating properly if still there.
what he said will fix your problem!!!
Aug 20, 2007 | 05:25 PM
#14
Originally Posted by Country Boy
I have an ac problem with my truck too... All of a sudden the drivers side blows all hot no matter what I do to the control, but the pass side will stay cold. Turn the truck off and back on and its fine again
you have an actuator issue!!!
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