Cherokee A/C problems

Houndoc

Registered User
Location
Grantsville
Wonder if anyone has ideas on what could be going wrong with the air cond. in my parents (formerly my) 01 cherokee sport.
After running the a/c for a while (can be 10 minutes, may be 40) it will shut off. Works again after 5-10 minutes of rest. Started last summer on my way to lake Powell (and yes I warned them before they bought it, so my consence is clear)
My Dad has checked the pressure in the system and it read high (basically like being overfull?). They have tried both a partial recharge and bleeding off some freon due to the high pressure. Neither has helped.

Thoughts?
 
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