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Re: 86 F250 overheats with vacuum in radiator
Posted to Technical Discussion Forum on 2/3/2025 2 Replies

I will second Robert, lower hose collapsing at higher RPM's. A known issue. Older hoses get soft and the lowers about always look fine. On the outside. Older hoses had springs in them precisely to prevent this. Many folks will replace the lower and disregard o... Login to read more.

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