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#506187 - 04/29/08 08:51 PM Re: ac compressor [Re: simplyconnected]
tom_wasil tom_wasil Member Registered: 03/04/08 Posts: 58 Loc: leesburg, fla	thanks for the suggestions - fuse does not blow right away. the last time it cycled for several days then i used the heater . next time for the ac - blown fuse. when i first got the car it ran well for several months then started with the problem. i was going to do the conversion anyway , maybe nows the time,but not till i follow the suggestions. maybe a wiring thing as suggested. i wonder how much all the help i have received from the forum would have cost at the local Buick garage ? thanx again _________________________ 91 red coupe s/n 33 from the end smokey yunick says how fa$$$t can you afford to go
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#506189 - 04/29/08 09:02 PM Re: ac compressor [Re: tom_wasil]
simplyconnected simplyconnected Member Registered: 11/06/07 Posts: 170 Loc: Detroit (Royal Oak), Michigan	Just send all proceeds to me. Compressor coils don't heal themselves. It's probably ok. Seriously check for wires rubbing on metal, especially on/around the engine, and passing through firewall holes. Sometimes connectors get water and turn pins green, but that usually stops things from working and doesn't blow fuses. Again, start at the compressor and work toward the I.P. 'Intermittent' usually goes along with 'vibrations' or 'loose connection.' Rapidly turning your compressor on/off several times will blow a fuse (caused by loose connection).
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#506249 - 04/29/08 11:54 PM Re: ac compressor [Re: simplyconnected]
D-a-n-i-e-l D-a-n-i-e-l Member Registered: 12/02/06 Posts: 378 Loc: Fort Lewis WA/Iraq	a coil will act/be bad when hot, and when cold build enough resitance to operate decently. You need to check the coil when hot and cool if there is a large diffrence in resistance say more than 50% then it is most likely bad. _________________________
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#507645 - 05/05/08 08:41 PM Re: ac compressor [Re: D-a-n-i-e-l]
tom_wasil tom_wasil Member Registered: 03/04/08 Posts: 58 Loc: leesburg, fla	go figure - it has not blown a fuse since the last post - i have not used the heat setting since the last post. compressor wiring is buried in the 91 and i need a lift to get at the wiring. where does the compressor leads ( two wires ) show up in the cockpit or firewall ? _________________________ 91 red coupe s/n 33 from the end smokey yunick says how fa$$$t can you afford to go
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#507648 - 05/05/08 08:45 PM Re: ac compressor [Re: tom_wasil]
D-a-n-i-e-l D-a-n-i-e-l Member Registered: 12/02/06 Posts: 378 Loc: Fort Lewis WA/Iraq	You should be able to get to the wires by removing the passenger side tire and a jack. If you want to find them in the engine compartment I would look at the electrical trouble shooting manual to ID the wire color and then find them at the fire wall conection. _________________________
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#507698 - 05/05/08 11:31 PM Re: ac compressor [Re: D-a-n-i-e-l]
Richard S Richard S Member Registered: 02/10/01 Posts: 775 Loc: San Diego, CA	Some posts suggest the 90 will clear codes if the batt is disconnected for while. Another says disconnect AND clear codes. Is there another procedure for clearing the 90 codes besides disconnecting the batt? _________________________ Richard 90 Red/Tan Coupe 90 White/Tan Coupe 90 Black/Grey Convert
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#507755 - 05/06/08 10:05 AM Re: ac compressor [Re: Richard S]
padgett padgett Long Time Member Registered: 06/02/01 Posts: 5880 Loc: Orlando, Florida, mostly now.	Disconnecting the battery for around 30 seconds will clear the codes - they are stored in volatile memory. There is also a way to jumper from AFAIR the low pressure switch and power the compressor clutch directly. Finally, the clutch can be replaced without opening the system but you will need a pulling tool (about $40 from NAPA). _________________________ Web home www.6007.us
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#508045 - 05/07/08 02:47 PM Re: ac compressor [Re: padgett]
tom_wasil tom_wasil Member Registered: 03/04/08 Posts: 58 Loc: leesburg, fla	thanx daniel for the tip there is a relay in the drivers side front for the clutch , the fuse has not blown again and the ac is working ok clutch connections seems ok still have to see if using the heater control had anything to do with it. this is all i can remember doing differently . i have have left it in auto and medium fan and so far is still working. _________________________ 91 red coupe s/n 33 from the end smokey yunick says how fa$$$t can you afford to go
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#509880 - Yesterday at 09:26 AM Re: ac compressor [Re: simplyconnected]
tom_wasil tom_wasil Member Registered: 03/04/08 Posts: 58 Loc: leesburg, fla	go figure , the fuse is still intact , with little done by me. ac works well on auto setting - have not tried to use the heat ,that seems to be a thread in the fuse issue. one odd thing though , once the fan was on high in auto and then dropped down a little in speed and the fan control would not increase or decrease the speed. the next time i started the car the fan on auto worked just fine. just some observations for those more knowledgable than i _________________________ 91 red coupe s/n 33 from the end smokey yunick says how fa$$$t can you afford to go
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