a/c
Hey guys and ladies my 2000 Silverado's a/c works fine when I first start up the truck but once it cycles a few times the compressor won't kick back on. And when I jump it at the relay it still won't come on. But when the truck cools off it will cycles again .is there a sensor or something around the clutch
A/C cycles while the compressor is cool. But when it warms up it stops cycling . Any suggestions? I can feel the engine rpm raise up as if the compressor is coming on but then nothing. I hear a click around the compressor? |
Originally Posted by 1jimbo
(Post 430165)
Hey guys and ladies my 2000 Silverado's a/c works fine when I first start up the truck but once it cycles a few times the compressor won't kick back on. And when I jump it at the relay it still won't come on. But when the truck cools off it will cycles again .is there a sensor or something around the clutch
A/C cycles while the compressor is cool. But when it warms up it stops cycling . Any suggestions? I can feel the engine rpm raise up as if the compressor is coming on but then nothing. I hear a click around the compressor? |
the low side is between 35 and 45 and the hi side is 170 to 200 psi
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Originally Posted by 1jimbo
(Post 430230)
the low side is between 35 and 45 and the hi side is 170 to 200 psi
Is your A/C compressor continuing to turn over all the time? What kind of noise do you hear? The compressor has no switch (unless its an old R-4 Harrison, which I dont believe it is since those were discontinued after R-134A was introduced.) They supposedly needed R-12 mineral oil to keep the seal tight, yet I converted many to PAG oil/ R-134A with no issues at all.. ACDELCO 1522144A
does have a high pressure switch so might be the issue, Part "> does have a high pressure switch so might be the issue, Part " /> does have a high pressure switch so might be the issue, Part "> does have a high pressure switch so might be the issue, Part
ACDelco 15-50156. Could be an orifice issue as well, of course but unlikely. |
Thanks I put my meter on the connection at the compressor I have 13.70 volts as it cycles off 0 volts . But when it compressor warms up it gets the 13.70 volts but the compressor doesn't kick on after awhile I can start up the truck and it works fine again. I'm beginning to think the compressor is going bad.
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Originally Posted by 1jimbo
(Post 430237)
Thanks I put my meter on the connection at the compressor I have 13.70 volts as it cycles off 0 volts . But when it compressor warms up it gets the 13.70 volts but the compressor doesn't kick on after awhile I can start up the truck and it works fine again. I'm beginning to think the compressor is going bad.
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Thanks for info I noticed today that the compressor works fine but when I rasied the idol the compressor kicked off and would not come back on is there some kind of sensor im missing?
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2000 silverado 2500 A/C
noticed today while I was running my a/c that when I first start the a/c it will run fine.But when I revied the engine up the compressor
kicked off and would not come back on. I now wonder if the cut-out sensor is bad? HELP |
Originally Posted by 1jimbo
(Post 430307)
Thanks for info I noticed today that the compressor works fine but when I rasied the idol the compressor kicked off and would not come back on is there some kind of sensor im missing?
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2000 silverado 2500 A/C
my 2000 Silverado 2500 has a problem the pressure low side 45 and the hi side 200 .but when I get on the road the compressor kicks off and will not come back on. Even if I jump the relay the compressor it won't come back on.Something is not right can anyone tell me what the red cut -out sensor on the back of compressor? also is there some one who has a wiring diagram for the a/c.
Also I changed out the low pressure and hi pressure switchs HELP |
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