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International Automotive Technicians Network
Re: 7.8L New Holland
Posted to HD/Fleet Forum on 7/12/2018 1 Reply

If you still have the truck see if the knock is coming from the actual injection pump. Bosch had an issue with the P pump on the DT466. During assembly they put to much oil on the 2 bottom orings that seal the barrel to the pump housing. That oil would be trap... Login to read more.

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