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A.C. compressor clicking constantly

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Old Jan 17, 2010 | 03:08 PM
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excessivec1's Avatar
excessivec1
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A.C. compressor clicking constantly

I recently bought a 2003 f150 king ranch and the A.C. compressor clicks every couple of seconds when I have the climate control on auto or defrost. It does not happen when I have it on climate control set on floor or panel. Please help.
 
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Old Jan 17, 2010 | 03:32 PM
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thumper477
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Your refrigerant is low on charge.There is a leak somewhere in the a/c system.If you want to get rid of the noise before you have it fixed,unplug the electrical connector at the compressor clutch.When you have it filled up with refrig.,have the shop install some tracer dye to help find the leak more easily.The climate control system will activate the a/c system to remove the moisture from the air when on defrost and will usually be on a/c also on the "auto" setting.
 
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Old Jan 17, 2010 | 03:39 PM
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Gale Hawkins
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From: Murray KY
I found the R-134a with the added UV dye was $2 cheaper at Autozone vs. Wal-Mart after I bought it at WM. It is good to add to any system so when a leak occurs you are ready.
 
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Old Jan 18, 2010 | 04:41 PM
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excessivec1
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thanks for the info. do you think the a.c. compressor is going to need to be replaced after I take it in and have the auto shop run the dye through the system?
 
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