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I need to change my r12 freon to 134. 1990 4=runner. How do i get the new oil in compresser??

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Auto Zone sells a can that has a fitting for a filler hose, with 3 ounces of R134 and 8.5 ounces of PAG oil, so you can install it on the low side fitting.
Quest / 8.5 oz. of PAG and 3 oz. of R134a

Posted on May 16, 2010


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What a/c retrofit conversion kit do I need for my 1983 mercury grand marquis

Look up kits which change from R12 to R134 freon. In the beginning, things were advertised as incompatible and that compressors could not be reused

From what I understand there are chemicals which can be added to the systems once the old Freon and oil are removed. There are Freon recovery machines which collect the old material.

A technician then can add a neutralizer and refill the system with modern freon and the seals and bearings are suppose to handle the new chemicals.

So for the Freon recovery aspect, you need to go to a professional for this service.

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How much freon do you add to an a/c system on a 1995 ford Taurus. The system is completely empty

There should be a sticker under the hood or in the engine compartment that lists the amount of refridgerant required ? It should be 34 ounces

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I need to put freon in my 1992 ford explorer but i can not find the valve for it. Can you help please.

Your 1992 vehicle is probably R12 and not R134a. Since R12 was discontinued due to enviornmental concerns, your system will need to be "retrofitted" to the new 134a refrigerant. I would take it to any auto A/C shop that you trust and have them do the work. they will need to remove all the R12 refrigerant, flush all the oil out, change the service ports, replace the drier/reciever and then recharge. Total cost for this will depend on what area of the country you live in as labor rates are set by the geographic area.

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Converting the r12 system

To convert from r12 to r134a freon, you first need to have the r12 discharged into a recovery system by a licensed professional. It is a violation of federal law in addition to environmentally irresponsible to vent this gas to the atmosphere. Next, remove the drier from the a/c system and use a spray can of a/c system flushing solvent to flush the oil r12 refrigerant and lubricating oil from the system by spraying into one of the liberated hose ends and placing a catch bucket under the other hose end.
You will need to purchase and install a set of adapters for the high and low side access valves by simply screwing them tightly and securely on top of your old r12 valves which are already in place.
After cleaning the system, replace the drier with a new one and reassemble the system. Evacuate the system to a sufficiently low pressure using an HVAC vacuum pump and then add the recommended amount of r134a freon and lubricating oil to the system through the charging hose on your combination manifold gauge set. Assuming of course that you didn't have leaks in the system before you began the conversion, you should now be good to go!
Good luck, and Stay Cool!

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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

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

Jun 04, 2010 | 1986 Chevrolet Cavalier 2 Door

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My father passed away leaving me a 1991 linc town car. Air seems to work but does not blow cold. I know he never converted to new freon. could a simple conversion be the solution?

It is possible. It the problem is the compressor. It would be good to change the compressor, drier, and orifice tube. You will also need the conversion kit for the fittings. All of this can easily be bought at the auto parts store. Be sure to vacuum the system and add oil and the freaon. Changing over in the long run will be cheaper, plus you can always buy your own freon, where as leaving it R12, soemone else will need to do it for you and it will cost quite a bit for the freon. In order to convert, compressor, drier, orifice tube, oil, and freon will be about $210. Not a bad investment.

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Directions to convert a 1994 Nissan Quest from r12 freon r134a

used to be a big deal. today, you can buy kit from autozone or other auto store and do it yourself. Need to discharge R12 into reclaimer so it does not go into air and pollute air.

Then, install R134a fittings on lines, add r134a feon in proper amount with new oil. leave old oil in system. you can buy cans with oil already in the can with the freon. probably need about 6 ounces of oil.
lot's of websites tell how to do this. vidoes on line too.

good luck

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My ac wont work

Must be Air-Condition System Lines/ Hoses leaking R12 Freon (gas).

DUE TO VERY LOW R12 FREON (GAS ) will not work.
Because there is a switch in the receiver/dryer prevent AC from working when low R12 Freon present, to protect the system & compressor damages.

You must fix the leaks, before recharging it.

They must **** the old (residue) gases from the system & lines / hoses...... & stay in the vacuum pump 30 minutes to proof no more leaks.

Recharge some oil for the old type R12 Freon gas.

Before recharge it to 62-67 psi R12 Freon

See the web site like site to see How they service & repair air-condition system?
Put the question to their search window.

This is the question u should.
How they service & repair air-condition system?


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Type of freon used in 1990 olds cutlass supreme. new or old?

This car uses r12 freon that is the old stuff but you can have your system converted over to the 134a.

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