New Problem With A/C
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New User
Joined: Aug 2003
Posts: 20
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New Problem With A/C
Okay, so now I have figured out why I was reading like 100psi on the low side port. I checked it with the truck off. Hooked my manifold gauges up to the high and low side, after a new vaccum and re-charge. with truck off, the low side climbs higher than the high side, with truck running after compressor clutch kicks on, high side moves to about 250-255psi and low side drops to about 40-45psi.
Still no COLD air, blows out cool air, but not when adding freon, air is hot when adding freon, cool when not. I dont have a temp. gauge to use in the truck so I dont know what the temp is coming out, but it aint cold I do know what. Is my compressor junk, or could my expansion valve be clogged???
SOMEONE, PLEASE HELP ME!!!!!!!!!!!!!!
Thank You -
Still no COLD air, blows out cool air, but not when adding freon, air is hot when adding freon, cool when not. I dont have a temp. gauge to use in the truck so I dont know what the temp is coming out, but it aint cold I do know what. Is my compressor junk, or could my expansion valve be clogged???
SOMEONE, PLEASE HELP ME!!!!!!!!!!!!!!
Thank You -
New User
Joined: Jul 2003
Posts: 9
Likes: 0
From: Long Island, NY
New Problem With A/C
The low side is still a bit high. It should be around 30-32 psi. Are you sure you added the correct amount of refrig? If you have the correct amount of refrig., I would check the Evap temp sensor. If it is not functioning it won't allow the compressor to cycle properly. Also every time I have opened the system, I have changed the dryer bottle.
