Question about 1990 Honda Accord

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How do I recharge the AC freon on my own?

I know you can buy freon in cans and do this yourself. But I don't know much of anything about doing this. Any ideas?

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You should have R12 freon in a 1990 but you can put R134 freon into that system the only problem your going to have is the adapter for R12 is different from R134 after you get the adapter you need to put the freon in the low pressure valve not the high pressure, you will know which one because the adapter only fits the low pressure valve which is located on your AC lines under your hood, theres a little cap thats either blue or black you unscrew. You can't buy r12 anymore because its not good for enviorment so buy R134. you can buy at any parts store for like $5 to $10.

Posted on May 29, 2009

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Go to parts store and tell them you want a recharge kit of AC on 90 honda.

Posted on May 28, 2009

  • shoenoone May 28, 2009

    Go to parts store and tell them you want a recharge kit of AC on 90 honda.

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For the evacuation part, failure to properly evacuate your system before recharging will leave moisture in the system that can destroy your new compressor. If that happens, you won't be saving any money!The air that is left in the system will take up room in the system that is needed for a proper freon charge and can adversely affect how well your system cools when you are finished.

Here is a possible alternative. Take it to a shop just for recovery and evacuation. The labor charges will not be that much. In fact, some shops will do the recovery for free if you tell them they can just keep any freon that is recovered. You need to do a recovery to remove the freon from the system anyway so nothing blows up in your face when you disconnect system components. Then you can return to the shop after replacing the compressor and drier fo an evacuation. This is a good idea also because the system can be checked for leaks by evacuating and seing if the system holds vacuum. That way you won't be wasting any freon dumping it into a leaking system.
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