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my 87 gn has 67,000klm (canada)and last year when i took it out of a 9 year sleep and did all the fuid changes and hoses and brakes i found that the a/c still worked.later that week the bug hite me again and out came the wallet and down went the cash.this year after puttitng on the road and reaching a very hot day i turned the a/c on and nothing .pissed off and hot i went home to take a look.turns out i had pressure but no cycle.anyways i went to the dealer and bought one.(not sure the part # ) as soon as i bought the part i theaded it on to the canaster and plugged the wire in the a/c was blowing cold air.I took a look at my friends car and he had the same problem. total cost was $20.00cnd.nothing better than racing these big block boys arond here with the air on.
 

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yeah, that was the low pressure switch...saves you if the freon leaks out too much.
 
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