Air Conditioning
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Freshman User
Joined: Feb 2007
Posts: 39
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From: East Northport, NY
Air Conditioning
I tried doing a search but couldn't find my exact problem. I drove ten hours the other week from Maine back to New York and the AC started out fine and cold...then just stopped blowing cold after maybe 5 or 10 minutes. To say the least...it was a hot ten hour drive! I brought it to my mechanic that week to have it checked out and on my way there it blew cold again. He put a little over a pound of refrigerant with dye in and it blew cold the whole way home. I took it out again this weekend and same thing...started cold then turned hot. Anyone have any ideas? I don't have any refrigerant gauges so if anyone thinks that could be the problem i'd have to bring it back to my mechanic. Any of your genious insight would be helpful. Thanks!
Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
I would look at the electrical connector on top of the A/C compressor. sometime it will have a poor connection. Turn the AC on with the truck running and wiggle that connector. iF it comes on your found your issue
Fleet Owner
Joined: Aug 2004
Posts: 20,418
Likes: 197
From: AZ
Just what I had to do. I cleaned the connections with that electric sprayer stuff in a can (can't think of the name) and no problems since then.
Laughing Gas
Joined: Mar 2006
Posts: 1,083
Likes: 1
From: Fitzpatrick Alabama
I had one one time that I had to wrap the whole compressor in electrical tape to hold the wire on there tight.
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Fleet Owner
Joined: Aug 2004
Posts: 20,418
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From: AZ
At first I gooped my wires down to hold then in place and it worked fine for a while. Cleaning the contacts on the plug-ins was the cure.
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Posting Guru
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not to hi jack your thread but i have an ac problem where if im sitting idling or in stop and go traffic my ac gets warm, on the highway it blows cold and the engine temp doesn't rise at all to indicate the truck kicking it off to prevent overheating (don't know if these trucks do that or not but some vehicles iv had would automatically kick the ac off if the engine temp went above degree mark
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Freshman User
Joined: Feb 2007
Posts: 39
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From: East Northport, NY
So today i got a chance to pop the hood. I pulled the plug right by the pulley and cleaned it up and sprayed some electrical lubricant on it. I started the truck with the hood open to watch the compressor clutch with the AC on. It was running fine and cold then stopped. I went out and saw the the compressor clutch kept engaging and disengaging every five/ten seconds or so. Almost sounded like a hiss (maybe belt sliding?). Does that mean that my compressor is shot?
Fleet Owner
Joined: Aug 2004
Posts: 20,418
Likes: 197
From: AZ
no, your friend might have overcharged it. The next plug back is the high pressure sensor, it might be causing it to kick out. Clean it like you did the plug next to the clutch. If it still acts up check your air gag like mentioned above. If it still acts up after all this you have to much refirgerant in there.
Laughing Gas
Joined: Jun 2003
Posts: 1,048
Likes: 16
884x4broncoII the first post that i made is what you will need to do to fix your A/C, there is a link that i posted that gives a step by step on how to fix this. i had the exact same symptoms with mine, and last sunday i fixed it using that thread.
Postmaster
Joined: Sep 2007
Posts: 4,195
Likes: 6
From: Medford Oregon
So today i got a chance to pop the hood. I pulled the plug right by the pulley and cleaned it up and sprayed some electrical lubricant on it. I started the truck with the hood open to watch the compressor clutch with the AC on. It was running fine and cold then stopped. I went out and saw the the compressor clutch kept engaging and disengaging every five/ten seconds or so. Almost sounded like a hiss (maybe belt sliding?). Does that mean that my compressor is shot?
