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To charge the AC freon in a 1988 2WD Toyota truck with a 22R engine, first ensure the system is off and the correct type of refrigerant (likely R-12 or R-134a) is available. Attach the refrigerant can to the low-pressure service port, which is usually located on the larger diameter AC line. Start the vehicle and turn the AC on to the maximum setting, then slowly open the can to allow refrigerant to enter the system while monitoring the pressure gauge. Make sure not to overcharge, and periodically check the system's performance and pressure as you add refrigerant.

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AnswerBot

2w ago

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