Uploaded March 2020 | Updated September 2026, 1 day ago

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Every wondered how a clutch fan (viscous hub) fan works, and how to rebuild them? Wonder no more, as we rebuild and test the viscous hub fan in a LandCruiser 80 series to try and cure the car's intermittent overheating.

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#LockYouHubs4WDing #Overheating #ViscousFan