Question about 1992 Chevrolet C1500

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1992 c1500 AC problem

Every time we turn the AC on there is a loud clicking noise coming from the engine. I have been told its the compressor but not how to fix it. The AC unit is only a year old we had it put in last year but now it's out of warranty. Any way to fix it? Is it just low on freon that making it do that or what. It's pretty bad we can be driving down the road an still hear it acting up

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  • Chevrolet Master
  • 660 Answers

If it was getting low on freon, it wouldn't cycle at all.
A noise when the compressor kicks on could be a bad bearing.
I just replaced one in my 98 chevy and had to replace it again after a few months...bad bearing/clutch

Posted on Nov 05, 2013

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GM Elec
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SOURCE: 2000 Chevy Malibu making knocking sound when AC is on

Is it noisy with only the blower fan on or does the A/C have to be on to get the noise.
Try using the heater only and see if the noise is present.
Let me know.
Regards,

Posted on Jun 19, 2009

  • 38 Answers

SOURCE: My AC Compressor wont kick on. I have the proper amont of freon

replace comp cycling switch

Posted on Jun 24, 2009

  • 149 Answers

SOURCE: Rumbling & grinding under front end

Watch out! You might have a loose wheel! Check those wheel nuts. If not, a loose brake caliper, or last if not least, a bad wheel bearing. Don't drive it until you find out what the heck is wrong! Could be dangerous.

Posted on Jul 06, 2009

jeffbvegas1
  • 520 Answers

SOURCE: 1996 impala ss air conditioner compressor is very noisy

That clutch and coil are serviceable without replacing the compressor but I have had little success with this as usually the clutch gets in that shape subsequently from activity going on inside the compressor which means that clutch is failed generally for a reason.replace the compressor -orfice tube-reciever drier and happy motoring......

Posted on Jul 18, 2009

  • 6982 Answers

SOURCE: How much freon to put in the 1990 chevrolet c1500?

As long as you are using gauges, just make sure that the high side pressure is not out of the ballpark high... check cabin temp frequently and depending on ambient temp keep that reasonable as well (134 is not quite as efficient as r12 so don';t look for polar temps...you will blow it up before you ever get there.) 210-230 is average high side pressure, if I remember correctly. I've charged hundreds of units and except for very few, I couldn't tell you how much freon was used (unless using a charge station) Just following what I mentioned, I only had a problem with one (had a blocked condenser from the factory...so rare i actually remember it) Stay on the conservative side and you will be fine.

Posted on Jul 29, 2009

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