1987 Iroc AC leaking from the compressor pressure switch(just replaced)
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Joined: Dec 2000
Posts: 1,954
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From: NC
Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
1987 Iroc AC leaking from the compressor pressure switch(just replaced)
Hey! So. I replaced the original leaking pressure switch on the back of my compressure with a new one (including the new o-ring and c-clip. I don't believe anytging was damaged in the switch swap although it did take me some time!
Upon charging it (holds a vacuum great), but now its leaking visibily from the switch again after a day.(AC was weoking great too 😞 )
What am I missing?
Thanks!
Upon charging it (holds a vacuum great), but now its leaking visibily from the switch again after a day.(AC was weoking great too 😞 )
What am I missing?
Thanks!
Member
Joined: May 2023
Posts: 271
Likes: 95
From: The Villages, FL
Car: 1983 Camaro Z28
Engine: Originally LU5, but now Carb'd
Transmission: TH350
Axle/Gears: 323
Re: 1987 Iroc AC leaking from the compressor pressure switch(just replaced)
Faulty switch or pinched gasket? I would lean towards a faulty switch. Sucks doing the job again! Swap the switch, new o-ring with lube (compressor oil). Then evacuate (again), for at least an hour, then write down the gauge numbers and leave for an hour (I do overnight) to confirm the system is sealed. I also add a little HVAC leak finder when I charge. This makes it a little easier to locate the leaks with a UV flashlight.
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