Question about 1994 Chevrolet Cavalier

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Ac is not cooling. had one can of 134A put in. trying to check to see if compressor is working.

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  • sherece22 Jul 12, 2009

    So if the clutch is not working I will need to purchase a compressor?

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The clutch in the fan mite be bad check it out next I had the same problem.

Posted on Jul 12, 2009

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The compressor has two parts one part is the pulley the other is the clutch. The clutch is the part you want to see turning when the a/c is on. You should here it click in and see it turn with the pulley. Look at the gage on your freon can to see how much press you have. Any time the press is in the green your comp. should run.

Posted on Jul 12, 2009

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1 Answer

I got a 2003 f150 that just blow hot air when i turn the ac


First thing is to check and see if there is a belt in tact on your compressor and then see whether or not the compressor clutch engages (clutch is on front of compressor in front of belt.) If so and no cold air, u may need to charge it with 134a refrigerant or have a leak that you'll probably want a shop to repair. Good luck and hope you stay cool.

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2003 ford focus no cool air is blowing out. Could it be the evaporation cord?


Make sure your blower fan is turned on and is blowing air. When you push your a/c button the yellow light should come on. If it is not blowing cool, it could be several things. Low on 134a or the control that has the a/c button on it could be bad or blown fuse, bad compressor, etc. If the air is cool but not cold the 134A is low. If it is still blowing hot, check and make sure that the clutch on the compressor is locked in. It most likely is not. Check ac fuses and ac relay, if they are good, check the 134a ,if low, refill it. This should fix it. Remember that if the a/c clutch is not locking in, you cannot add 134a because of no circulation.On some vehicles, if it is completely out of 134a, the relay will not trip and you will have to bypass the relay to provide power to the compressor to fill it. If you do all of these and it still does not work, you will need to take it to a professional. If you need to, reply back and I will give you more possibilities.(I think that you mean evaporator coil)

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1 Answer

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First thing is have the AC charge checked by a shop, if that is OK then the AC compressor low side pressure switch may be defective or the compressor relay is defective.

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2000 Chevy Malibu...Working on my AC replacing the compressor...What is the fluid capacity of the compressor/AC system on this vehicle...If I've added more than enough, how do I drain excess fluid to...


NEW AC COMPRESSOR POUR OUT SHIPPING OIL COME WITH IT ADD THEM SAME AMOUNT.IF YOU NOT SURE AND OIL BEEN POURED OUT.ADD 2 OUNCE R 134A REFRIGERANT OIL TO NEW COMPRESSOR. YOUR AC SYSTEM HOLD 1.75 LBS R 134A REFRIGERANT.

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1 Answer

Air compressor wont come on to to put in 134a


The AC compressor does not have to be running to charge the AC system, and the low pressure switch will even prevent the AC compressor from operating until there is sufficient pressure to operate the AC compressor without damaging it.

Start the engine and turn on the AC, then charge the system with the R-134a and as soon as there is enough pressure built up to trip the low pressure switch off, the AC compressor clutch should then engage and then finish charging the AC system.

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1 Answer

AC has freon (134a) pressure is good. Compressor


Have a code reader or scanner put on the car to erase all codes,this should reset the ac system circuit.Also check the low side clutch cycle switch,it may be the problem.

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low 134a coolant, you may have a pin hole leak, or just need topped up on 134a. wallmart or most auto parts stores sell 134a kits. also check your rad coolant.

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1 Answer

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your compressor clutch might be shot in wich case the system although charged will not circulate the freeon.

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1 Answer

98 mustang squealing and ac


first thing to do before you charge it again replace the 'O' rings in back of the compressor also add some a/c oil because that will help the a/c compressor not to rattle this is the way I do mine I put in a can of 134A first and after that I put in the 134A oil and then I put in the rest of the 134A that is needed
I would disassemble the front brakes and check out the wheel bearings and sometime there is nothing wrong with them just need to add bearing grease but if they are scarred or damaged replace them

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2 Answers

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Check the ac vents and get the ac service as the cooling gets weak over time you must refill the cooling gas in ac unit this help the car to retain the ac function.......................

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