Forum Discussion
Chum_lee
Aug 29, 2020Explorer
IMO, it's normal for the clutch to engage at right about max normal temperature range on the gauge. You'll hear the noise. Make sure you have a 50/50 water/ethylene glycol coolant mix. With that mix you should be covered up to about 230F before boil over. If kept stock, Ford trucks generally have very stout cooling systems. Another check you can do is see if there is any lateral/radial play between the clutch shaft and the fan itself. There shouldn't be any.
When working properly, the system will function fine at temps up to 212F. If it regularly gets over that, then is the time to worry.
Chum lee
When working properly, the system will function fine at temps up to 212F. If it regularly gets over that, then is the time to worry.
Chum lee
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