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How and where do you refill the refrigerant on a 22L 97 Pontiac Sunfire and could this be the problem if the AC is blowing hot air?
Wiki User
∙ 16y ago
Most Sunfires have a 'valve' on the A/C unit that you use to fill the unit with refrigerant. I say valve because it looks like a valve, but really its more of a nozzle. All vehicles from the mid to late 90's and on are forced by law to use only R-134a refrigerant. How much refrigerant your cars unit holds can be determined by finding the refrigerant charge label under your hood. It should be located near or above your A/C unit. The easiest way to ensure no mistakes or damages to your unit is to get a professional A/C fill. But the cheapest way is to buy a can of refrigerant (you can find these at most auto stores and even Wal-Mart) and follow the instructions given in the box. It will show you step by step how to add the refrigerant to your unit.
Wiki User
∙ 16y ago
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