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International Automotive Technicians Network
Re: AC filling quantity
Posted to HVAC Forum on 12/13/2023

That should be a W24 Workhorse.

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A 1.5 pound system would be typical on those older Workhorse motorhomes. It is not much of a system for a large vehicle but it does work some while driving. Do not expect low 40F vent temperatures in the summer... Login to read more.