A/C Problems
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Junior User
Joined: Jun 2005
Posts: 99
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From: Vancouver, WA
A/C Problems
I have a 2000 Excursion LTD 7.3. Went to use the AC this weekend and nothing. Clutch on the compressor never engages. I called the stealership and they want to charge $90/hour for "diagonostic" work to figure out the problem. Does anyone have any suggestions on where I should start before writing the dealership a blank check?
Thanks in advance for all the help!
Thanks in advance for all the help!
Senior User
Joined: Dec 2004
Posts: 148
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From: Elm City,N.C.
Sounds to me like you are low on refrigerant. There is a low pressure cut off switch that keeps it from engaging if the freon is low. It also has a high pressure switch that does the same thing if the pressure gets too high. Try this to try and rule out clutch failure first though.With the engine running and a/c on tap the front of the clutch with a small hammer or other hard tool. It may be that dust or debris is keeping it from pulling in. Check your fuses and make sure you have a good connection at the plug on the clutch. A little free trouble-shooting may save ya BIG bucks.
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Junior User
Joined: Jun 2005
Posts: 99
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From: Vancouver, WA
Originally Posted by fomoco_1
Sounds to me like you are low on refrigerant. There is a low pressure cut off switch that keeps it from engaging if the freon is low. It also has a high pressure switch that does the same thing if the pressure gets too high. Try this to try and rule out clutch failure first though.With the engine running and a/c on tap the front of the clutch with a small hammer or other hard tool. It may be that dust or debris is keeping it from pulling in. Check your fuses and make sure you have a good connection at the plug on the clutch. A little free trouble-shooting may save ya BIG bucks.
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