WTF???? A/C
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Senior User
Joined: Jan 2012
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WTF???? A/C
My A/C will be working fine and intermittently goes warm. checked the charge and it's full. I can't figure this out. could it be the high or low side sensors or switches? if so, which one is the common one to take a dump? it's kind of frustrating.
Freshman User
Joined: Feb 2011
Posts: 39
Likes: 0
From: MS
Check your Clutch air gap
Check out the link below
Works like a champ!
My truck has 291,000 and just started the cold / warm air thing. I followed the instr. and all worked out well, back to blowing 57 degree air(continuously)!!
SpringerPop's Compressor Clutch Air Gap
Works like a champ!
My truck has 291,000 and just started the cold / warm air thing. I followed the instr. and all worked out well, back to blowing 57 degree air(continuously)!!
SpringerPop's Compressor Clutch Air Gap
Elder User
Joined: Sep 2011
Posts: 979
Likes: 4
From: Vancouver
If that fix does not work, the next step would be to take a close look at the condenser coil in front of the radiator. If that is clogged with debris, the high pressure cutout will shut off the compressor. Or there may be a low pressure from too little Freon in the system which will drop out the compressor when the low pressure switch operates. This can happen intermittently. The low pressure should be checked and serviced by a shop, as they check for leaks, evacuate and weigh new charge before installing the gas in the system. Larry
Hotshot
Joined: Nov 2006
Posts: 11,287
Likes: 263
From: North of Greenville
One other potential is the alternator. When mine was going out, I would intermittently get warm air from the A/C. A new alternator took care of the problem until my air gap got too large on the compressor clutch. Then I removed the stock shim and got ice-air again.
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provosc
1987 - 1996 F150 & Larger F-Series Trucks
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Mar 12, 2010 09:03 AM
