Question about 1986 Chevrolet Cavalier 2 Door

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I'm trying to find out what kind of air conditioner coolant goes in a 1986 chevy cavalier, and how to refill it

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Since the original freon it came out with is no longer available you need to look and seeif it has already been converted to the newer environmenatally safer freon 134. if there is an indication that it was changed over, usually by a sticker or writing on the dryer or evaporator box then you will need a recharge with that. if it hasnt been changed you will have to have it changed over to the newer freon as you cant get the old one. both proceedures should be done by a shop that does alot of a/c work. it doesnt have to be the dealer but a good reputable shop that you have references for. this is not a task for the shadetree mechanic unless you have experience and all the necessary tools. if it needs conversion its actually againt the law to release freon into the atmoshere. you need to change the orifice tube anyway so just plan on taking it in to have the a/c tuned up. good luck.

Posted on Jun 04, 2010

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It takes R12 freon, total amount 2.25 lbs. I would convert it to 134A freon, but the adapter's for 134a, will screw on to old fitting's, 1 can of 134a run's about $5.00, where 1 can of R12 if you can find it will cost about $100.00 and you would need 3 cans, 134a you would need two cans.

Posted on Jun 04, 2010

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It takes R12 freon, but R12 is no longer made because it damaged the Ozone layer, so u must have a automtive repair shop convert the R12 system to the newer R134, this is fairly expensive, about $200

Posted on Jun 04, 2010

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Running hot 1996 cavalier


please try a simple test for me. no.1: remove the radiator cap off the radiator. no.2: if you could see the see the radiator opening from within you car much better, then try to crank your car to an idle. if coolant blows out of the mouth of the radiator like an erupting volacano, then take note of this. no.3: while the engine is running at idle try to look at the coolant through the mouth of the radiator, if you see bubbles like washing your hands with soap and the suds trailing to a drain, then take note of this.

the reason why i'm telling you all of this is that, the coolant should flow like a clear stream. you don't have to worry about purging the system of air because, the water pump is already situated a few inches below the highest water capacity of the radiator. it means that if you drained your system and refiled the radiator to the brim, just start your engine and add a few more coolant to fill it up because the running engine simply purges the waterpump of air.

now, if you tried no.2, and you did see and somewhat like an errupting volcano, that means your engine is in serious trouble, so is no.3. however, a tolerable bubble flow is still possible but your valve clearances should be tuned if this happens. excessive bubbles accompanied by blow out of coolant means your combustion gases are seeping through the head gasket due to a damaged head gasket, warped cyclinder head, cracked cylinder head, or even a cracked cyclinder liner(or bore where the piston glides up and down). think back! did you ever experienced overheating you car to a point where it stalled completely? then, you need a thourough engine checkup.

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