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International Automotive Technicians Network
Re: DT466 OVERHEAT
Posted to HD/Fleet Forum on 9/14/2018

Based on the fan clutch not coming on going down the road might be lack of hot air getting to the fan clutch to activate it. Be very sure the fins are clear we see a lot of plugging on these. We was them with simple green and rinse from inside out. Then we blo... Login to read more.