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The refrigerant 134 loaded through the LOW PRESSURE side of the vehicle a/c system, but I will say if you are not knowledgeable, nor equipped on refrigerants-LEAVE IT TO A PRO--you could get hurt or cause damage

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โˆ™ 2005-09-03 16:17:08
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Q: How do you refill the refrigerant for the ac system on a 1992 Cadillac Eldorado?
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1996 Cadillac Eldorado...If msg reads AC low on refrigerant and AC compressor reads off will both problems be fixed by adding refrigerant? fixed the issue on my 1995 ElDorado, BUT you must disconnect the battery for a little while to reset the computer to allow you to add Freon to the system. I had a leak and it fixed it for about 6 months. Both warnings went away until the system got low again.

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Should you drain refrigerant and then refill on 97 jimmy?

No, not unless you have the right tools and training to refill it properly. You must evacuate the system before you can refill it; that requires special machines. Contrary to popular belief you cannot back-fill the system using the compressor to evacuate it.

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You can refill your air conditioning system from the low pressure port on the air conditioner compressor. The low pressure port will be labeled as such.

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Where is the low pressure side of the ac condenser on a 1998 Cadillac Eldorado?

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Why is refrigerant vapor re introduced to the refrigeration system before refrigerant liquid?

To endure that the ONLY gas in the system is refrigerant.

How is liquid refrigerant added to the refrigeration system when the system is out of refrigeration?

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What type of refrigerant do you use for the air conditioning for a 1991 Cadillac Coupe de Ville with a 4.9 liter?

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You can purchase a recharge kit from your local auto parts store. It will include directions as to recharging your system. If your system is low or empty on charge you probably have a leak in the system and it will empty soon if you refill it again.

What state of refrigerant leaving the receiver of a refrigerant system?


How do you refill a 1988 Chevy van with freon?

Unfortunately, if the air conditioning system is factory original and has not been converted to use the new R-134a refrigerant, you cannot refill the system yourself. R-12 refrigerant is the old stuff, it must be charged by a professional and will be very expensive. They quit making it almost 15 years ago. Depending on your location is could cost upwards of $300 to get it recharged, and if the system is low then you probably have a leak somewhere so that might be $300 out the proverbial window. If you plan on keeping the van, I would suggest that you convert the system to R-134a. A local air conditioning shop can do this for you. I will cost more than just a refill of R-12, but in the long run, it will be much cheaper as the refrigerant is MUCH less expensive should a leak develop.

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The Freon is added through the low side ac port. Using the proper type of Freon and a gauge, fill the system to the recommended pressure.

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You don't need to engage the compressor clutch to recharge the system. In fact, you shouldn't engage it without refrigerant and oil in it, because the refrigerant carries the compressor oil in order to lubricate the compressor. But, to answer your question, you disconnect the low pressure switch, and run a jumper wire between the two female ends of the connector.

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Most modern cars use R134a refrigerant. My 1994 Escort uses it so I would guess your 1999 does too. You can buy cans of the stuff from WalMart or any auto parts place along with a refill kit. A can of refrigerant will only cost $10-15 but a kit might cost $30. The kit has instructions for refilling the refrigerant for the A/C. There is a low pressure and high pressure valve on the A/C system - the adapter in the kit will only fit on the low pressure side. Anyway, it's easy if you follow the directions in the kit. My Escort A/C system has quit twice and refill of refrigerant got it working again. I used the refrigerant that comes with some sealer as well in case it was leaking slowly.

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