Question about 1995 Chevrolet Suburban

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My 1997 chev suburban compressor for air conditioner cycles on and off every minute or so, and only cools to about 58 degrees. I had recharged unit with 24 oz of 134a refrigerant, but is still cycling on and off.

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You have overcharged the unit it should hold about 700grms of gas which is about 12ozs i think sorry only metric here in spain.

Posted on Aug 29, 2010

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Had a similar thing happen to me, recharged the system and have not had it happen since, note that you should make sure you get a recharger with a long hose, the recharge port is low behind the radiator. It occurred on mine at the beginning of summer.

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I have a 1997 chev. lumina the air conditioner works fine for about 100 miles and then it stops cooling what would cause this ?


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My air conditioner is only blowing cold air on the passenger side. Both sides blow but only passenger side is cold. My compressor also short cycles on the low pressure safety. What would cause that?? I...


Hi, the reason for this is the location of the evaporator core, its on the passenger side, a low charge will cause the side nearest to core it to cool more. Your cycling of compressor concures with this scenario. Recharge system to specifications.

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I have a 99 chevy suburban 2500 with rear a/c. i installed a new compressor and orfice and a rear expension valve with acumilator. Also recharged. it only cools at 60 degrees down the road. At idle its 70...


What is the ambient or outside temp? A drop of 30-40 degrees is considered normal. And did you evacuate the system to remove the air? This is a must to get 100% efficiency. Another cause is too much oil/stop leak/or leak detector can affect efficiency

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Cool but not cold air from my ac system


It sounds simple enough that you need to recharge your A/C unit. They can stop functioning properly after winter's end especially if they were not used. You should be able to get a recharge kit from your local auto parts store. Your Suburban should use the newer R142a refrigerant.

Jun 09, 2009 | 2003 Chevrolet Suburban 1500

1 Answer

A/C blows hot air


Hi, the first check you will want to do is on the a/c clutch. you want to make sure of its operational value. Turn the engine on and raise the hood. make sure the a/c button and controls are on as if you wanted the air to blow cool. while the a/c is in the on position, inspect the clutch action under the hood. the clutch should click in a cycle. this engages the compressor device. it should cycle on and off in a 3 minute interval. if this compressor clutch is not working and it is not clicking, this will be the main issue. a/c clutch failure.

Now, if the clutch is working and, it is cycling on and off in a quick motion, this Will confirm a low charge state and, you will need to recharge the system with a recharge kit or you can take to the local dealership or mechanic.

Ok, if the system has a good charge and the clutch and compressor are ok, this will confirm compressor failure. if the compressor cant do its job by compressing the refrigerant in a proper manner, it will not cool properly. it will spin but, it will not cool.

You will find the problem in one or all of the areas above. i recommend checking the clutch action first then, go from there. make sure the a/c in-dash switch is working as well. this is a problem spot.

Please rate and have a great ady:)

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