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05-31-2013
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#11 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: A/C Went Out
If the clutch is bad you can fix it without pulling the compressor
I heard it is mainly the clutch that goes
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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05-31-2013
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#12 |
 Join Date: Apr 2013
Location: Eastern Missouri
Posts: 773
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Re: A/C Went Out
I actually just changed the clutch on the A/C compressor on my truck yesterday. The magnetic coil that engages the clutch was bad. Works like a champ now!
Check to see if you have power to the clutch with motor running and A/C on. If you have power to there - then either the compressor is locked or clutch is bad. You can shut the motor off, remove the belt, and push the clutch plate in to see if you can turn the compressor over by hand. If so, and you have power to the clutch - then good chance all you need is a clutch assembly. You mentioned a burning smell - that could be caused by a locked up compressor and the clutch burnt itself up - so make sure the compressor itself turns... I paid $83 on E-Bay for the one for my truck and changed it in about an hour without removing the compressor or losing any refrigerant. Keep in mind this was on my DODGE TRUCK - but I would think the procedure would be much the same...
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[LEFT][SIGPIC][/SIGPIC][/LEFT] [CENTER][COLOR=Indigo][SIZE=4][I][B] **Now Sold** 1990 ZR-1 #2093, Black on Black..[/B][/I][/SIZE][/COLOR][/CENTER] |
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05-31-2013
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#13 |
 
Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,207
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Re: A/C Went Out
Wow you guys are good. Covered the whole thing in less than 24hrs.
I can't add a thing other than when my compressor went I converted from R-12 to R-134a. All it took along with a new compressor was a new dryer and orifice. Loaded it with the R-134a friendly oil and then charged her up with R-134a. Works like a champ. That was over 10yrs ago.
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Scott  Vett owner since 1979._It's about the car and the people |
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05-31-2013
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#14 | |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: A/C Went Out
Quote:
True enough. Most of us have been there done that as our cars are getting a little long in the tooth.
__________________
GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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05-31-2013
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#15 |
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Join Date: Oct 2008
Location: Colleyville, TX
Posts: 272
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Re: A/C Went Out
Odd thing. Worked this morning like brand new. .???
Jim |
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05-31-2013
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#16 | |
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Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: A/C Went Out
Quote:
Hmm electrical Quertron.. I hate those
__________________
GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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05-31-2013
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#17 | |
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Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,207
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Re: A/C Went Out
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__________________
Scott Vett owner since 1979._It's about the car and the people |
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05-31-2013
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#18 |
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Join Date: Apr 2013
Location: Eastern Missouri
Posts: 773
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Re: A/C Went Out
Mine on my truck worked until it warmed up. Then it would quit and not engage. When I took the clutch unit apart the electromagnetic coil was cracked. I assume that once it got hot it expanded and shorted or just didn't put out enough magnetism to engage the clutch plate. So if it quits when it gets hot - you might want to look at that...
__________________
[LEFT][SIGPIC][/SIGPIC][/LEFT] [CENTER][COLOR=Indigo][SIZE=4][I][B] **Now Sold** 1990 ZR-1 #2093, Black on Black..[/B][/I][/SIZE][/COLOR][/CENTER] |
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05-31-2013
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#19 |
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Join Date: Oct 2008
Location: Colleyville, TX
Posts: 272
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Re: A/C Went Out
Good plan. I'll check pressure and contacts
Thanks, all Jim |
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06-01-2013
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#20 |
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Join Date: Oct 2011
Location: Shalimar, FL
Posts: 192
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Re: A/C Went Out
Wifes Yukon A/C went out last summer. It turned out to be the mix valve
or blend valve. It proportions warm and cold air as selected. Symptoms are blower fan works and temp goes full hot or will not change settings. Some of the older ones can be opened and contacts inside cleaned. Newer ones must be replaced. Check this if your compressor looks OK. Good luck 
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