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International Automotive Technicians Network
Re: 86 F250 overheats with vacuum in radiator
Posted to Technical Discussion Forum on 2/3/2025

Hi Michael,

This model should have had a fan clutch design. A full time "fixed fan" in Alaska may actually promote "icing" on the face of the radiator. In other words, too much cooing air flow. On a hot summer in Texas, this would be okay, but not in near or... Login to read more.