Robinhood 1977 dodge 440 heats up on freeway
The longer you run it on the freeway the more it keeps gradually heating up. If you get off the fwy and slow down its ok. Or going down a hill cools it off quick. I have been through the cooling syste...
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I was hoping the latest post in this old thread was a solution! About all I can add is that we had a Dodge One-Ton Passenger Van and the Fan Clutch locked up in Drive Mode on a trip. I called a friend and asked what to do. Where to get a Fan Clutch in a small town on a Sunday? He said "Don't - Take the Fan OFF of it and put it back together Without." Most of the trip home was open road, but we had some secondary roads getting back to the house. Didn't overheat. That said, it was a Van, not Towing, not an RV. We had a 360 engine with a wide three-row radiator from a cube van.
When we had a Class C with 460 Ford, the Fan Clutch would engage on slight upgrades on the interstate. I'd hear the noise (sounded like being passed by a gang on Harleys), notice the temp gauge had risen a little, then it'd quiet again as the gauge dropped a little. That was highway speed, with toad, with A/C running. I suppose that the temp would have kept ratcheting up if the fan clutch hadn't reacted. I was very grateful to have a good fan clutch (which I believe was original) on that coach, because I heard they were discontinued, and the aftermarket ones simply were not as good.
When we had a Class C with 460 Ford, the Fan Clutch would engage on slight upgrades on the interstate. I'd hear the noise (sounded like being passed by a gang on Harleys), notice the temp gauge had risen a little, then it'd quiet again as the gauge dropped a little. That was highway speed, with toad, with A/C running. I suppose that the temp would have kept ratcheting up if the fan clutch hadn't reacted. I was very grateful to have a good fan clutch (which I believe was original) on that coach, because I heard they were discontinued, and the aftermarket ones simply were not as good.
