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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

Argumentative as some may believe, I have seen the issue mostly occur on older models where the spring was left out.

The video was just to give a clear general understanding of no spring, supply, demand, and acceleration.

Some might consider the radiator c... Login to read more.