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Well it spins (free wheels) all the time but the clutch will engage and disengage, did you add oil to it when you added freion?
 

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what are the high and low side pressures?
 

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check your fuse or relay...could be a low/high pressure switch.
 

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yea prob a low presure switch or something. check for power going to the ac compressor clutch when you try to engage the a/c. If not, then start checking the a/c pressure switches. You can even bypass a switch with a jumper wire to see if that switch is the cause.
 

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I agree with those guys. 90% of the time the compressor goes bad and it locks up. Its defiantly a switch or sensor. :cool:



 

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