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> Noisy Ac Compressor That Works, A/C
post Jun 19 2006, 05:36 PM
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I have an 1991 240,the a/c works good but makes noises?Is the compressor dieing on me? this car has 191000 miles in it.
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240on280
post Jun 19 2006, 09:25 PM
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What kind of noises? Whining? Clicking?
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post Jun 20 2006, 06:14 AM
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Its not a belt ,some what of a clicking noises .
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240on280
post Jun 20 2006, 11:02 AM
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If it is clicking that is the A/C clutch switching on and off. This happens when the refrigerant is getting low, so it may just need a recharge of R12 (Freon) or R134. If the A/C clutch is very loud, it could be on the way out. These can be replaced without replacing the compressor - it's simple and can be done by someone with basic mechanic skill.
After recharging it would be smart to get the A/C tech to check your system for leaks.
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moboiler
post Jun 20 2006, 11:08 PM
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What about the whining? Of course, mine doesn't work, so I guess it's pointless.
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240on280
post Jun 21 2006, 08:41 PM
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If your compressor is whining, it probably means it has a bearing on the way out.
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moboiler
post Jun 26 2006, 07:38 PM
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Would that affect the system's performance? Mine blows cool, but not cold.
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RaphaelMetzger
post Jun 14 2008, 04:30 PM
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I have a related question-- my a/c also works, not the coldest, but it works, but when the compressor kicks on there is a sort of grinding noise or dry scraping noise that manifests, for the duration of the "on" cycle of the compressor. Is this something I can repair? Or is it replace compressor time?[SIZE=7]
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The Doctor
post Jun 14 2008, 08:29 PM
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isolate the noise by simple test

open bonnet and listen to A/C when in full operation

then turn it off inside and check that the clutch disengaged

is the noise still there?

that will tell you if it is clutch, seal or bearings, but at 190,000 you are probably looking at a comp at end of life
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ishmot
post Sep 2 2020, 04:10 PM
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Hello, I have a 1992 240 with AC. AC is working great but makes whining noise when on. When I Turn the AC off the noise goes away. 200k+ miles. Thoughts?

Thanks!
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