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How much refrigerant does are trucks hold?

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Old 05-26-2009, 12:05 PM
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How much refrigerant does our trucks hold?

Im replacing all my ac hoses so i will need to add refrigerant. How much do they hold?
Old 05-26-2009, 12:15 PM
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im assuming all first gens are the same but if not mine is a 93
Old 05-26-2009, 05:44 PM
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I believe my 90' says 41 oz right on the fan shroud. If you are converting it to R-134 i think you only put in 80 percent of that.
Old 05-26-2009, 06:20 PM
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my sticker is long gone
Old 05-26-2009, 08:09 PM
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I am still using R12.
Got a 30 pound cylinder when I retired.
Old 05-26-2009, 08:51 PM
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If you are going to use R-12 then you would fill it until the sight glass clears.
Mine is a 1991 and it took 46 ounces to clear the sight glass.
Jim
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