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August 16th, 2007, 11:33 AM
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A/C woes.
Installed a new compressor:
Filled w/ 134a and PAG oil low side is 60psi (@ 95* + F). Ran fine for 15 minutes, started blowing warm, pulled over and clutch wasnt engaged; now clutch will not work unless jumped w 12 V. Fuse is good. Wiring in nice shape. I put in a new relay, and low pressure switch. Still won't work. 
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Steve- 87 Astroroof GN, GNX dash, 3.8 .030 TRW forged, TE-62, CXR fmic, G Body DP, 212/212 cam, 60-65 Siemens inj fed by a Denso (Supra) F/P, TT chip, LS1 MAF, port matched intake and heads, Razor's meth. inj. Diers Trans, Pats 10 in. Conv, Metco LCA's, Extender Chip. Monitored by:PLX WB, EGT, SM & DS 11.8 @ 117 w/ 4.1 -(R.I.P. 7/25/08) 1987 Gray Regal T-- Low Options: Bucket seats w/ console, G80, AM/FM, Pwr windows & Ant., thats it! LS1 MAF, 32lb inj, Chip, mostly stock and staying that way.... 2001 Jeep Cherokee 4.0 I6 4x4 K&N  Daily Driver Out of F bodies..for good....wait I have a 98 Camaro now 
    
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August 16th, 2007, 01:44 PM
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A few questions for you. First 60 psi on the low with the A/C running is way too high. Did you evacuate the system (pull a vacuum before charging the system) ? Lastly , If your A/C clutch will go on with a jumper to the LPCO but not work when plugged in then only two thigs can be wrong. 1. the switch is bad or 2. You have a leak and lost the gas. put some gages on and let me know. Do this test. Turn the A/C on Put a jumper on the two slots on the socket plugged in to the low pressure cut out. If the compressor runs then Ypu have a leak or that cut out is bad.
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PT-67 (.63A/R, P-trim) 10" WestCoast converter 3800 rpm stall, CK Performance Transmission, Eastern FM, 3.5" Maf, Translator plus, 3" THDP, Hooker Cat back, 3" Flanged removable Cat, Mototron 60/65 lb/hr injectors, comp cam 206/206, Adj fuel reg, Extender Extreme chip, SMC Alky, Holley 255 LPH fuel pump hot wired, KN air filter, RJC power plate, Air bags, UMI Rear Lower control arms, Metco driveshaft loop, Eaton Posi, Poston's crossover pipe, Dual 11" Spal fans, Arizon GN Radiator, S-10 rear brake cylinders, Powerlogger and Scanmaster II Last edited by Sal Lubrano : August 16th, 2007 at 01:47 PM.
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August 17th, 2007, 04:25 PM
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Turned out to be the relay:rant: they kept going bad. I brought the compressor back and got a new one instead of reman did the whole thing over again.
We'll see how it holds up. So far its working.
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Steve- 87 Astroroof GN, GNX dash, 3.8 .030 TRW forged, TE-62, CXR fmic, G Body DP, 212/212 cam, 60-65 Siemens inj fed by a Denso (Supra) F/P, TT chip, LS1 MAF, port matched intake and heads, Razor's meth. inj. Diers Trans, Pats 10 in. Conv, Metco LCA's, Extender Chip. Monitored by:PLX WB, EGT, SM & DS 11.8 @ 117 w/ 4.1 -(R.I.P. 7/25/08) 1987 Gray Regal T-- Low Options: Bucket seats w/ console, G80, AM/FM, Pwr windows & Ant., thats it! LS1 MAF, 32lb inj, Chip, mostly stock and staying that way.... 2001 Jeep Cherokee 4.0 I6 4x4 K&N Daily Driver Out of F bodies..for good....wait I have a 98 Camaro now
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