Question about Chevrolet C3500

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Replaced compessor a few years ago. Makes no noise. freon leaked out last year so compressor won't turn on. was wondering of there are common issues with this leak in 1993 c3500

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There's a handful of reasons freon will leak and with time all cars usually do. Condensor, receiver/drier, compressor are just some of the more common ones.

Posted on Apr 07, 2011


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Why is my 2001 Yukon making a chirping noise

I would check the freon level, because that would be the cheapest fix. If it's not the freon, it could be the AC compressor. If the compressor is locked up, it could make a screeching noise. As far as your brakes, I'd use some brake cleaner. Most likely (unless you've driven it tens of thousands of miles already) they are just dirty. Dust collects quickly on brakes. Hope this helps!

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I have a 1998 Ford Taurus that is not blowing cold air anymore. I noticed the AC was starting to sputter here and there, so I took it in to have it looked at. The garage I went to told me that my...

you need to turn on the a/c and watch the electric clutch engage on the front of the compressor. Sometimes, when the clutch gets hot, it won't lock up and lock the compressor to the pulley. You might be able to adjust the gap closer, or replace the clutch. Might have to pull the comressor to do this. If you had a leak, it never would have strated working.

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The a/c is blowing hot air freon or compressor?

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Do i need to replace my car aircon compressor? There is slight decrease in cool but stil w/ blower. Is there a leak in the system? If there is what is the most common cause? The compressor is so expensive....

If your compressor is wasted, you would normally get no cooling and a lot of noise from the unit--if you have a leak, the freon would all be gone in hours of use--there is not much to start with so it don't take long to disappear.
Try getting the evaporator cleaned-usually behind the glove box--and recharge the system without too much oil!
Good service centres have freon recovery units so the freon is not wasted and can be re-used with cost saving.

I don't think you need a new compressor.

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96 gmc k1500 4x4. a/c does not work

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Air conditioner not blowing cold after recharge last year

david_simko: based on your description above, it definitely sounds like you have a leak somewhere in your A/C system. If you re-charged your A/C system last year, you should still have plenty of freon (R134-a) coolant in your A/C system. If you are familiar with how the A/C system works on your vehicle, there are two products you can use to help you identify leak in your A/C system. The first is a liquid that you inject into the system. This liquid will come out (in a solid color) in the area(s) of where the leak is accruing. The second device is a electronic freon sniffer. This is a small hand held device with about a 10" antenna on it. This device electronically "sniffs" for freon, and leads you to the area of where freon is leaking. Since you've stated that you re-charged your A/C system last year, and since has degraded from cold air, to warm and now hot air, you will have to (at minimum) partially recharge your A/C system to use one of the two leak detection methods I have mentioned above. PLEASE VOTE FOR THIS REPLY IF YOU HAVE FOUND THIS INFORMATION HELPFUL. Thank you.

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get a leak detector kit from your local auto parts store. it will show you where the leak is.

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