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International Automotive Technicians Network
Replace cam in a MB 900?
Posted to HD/Fleet Forum on 7/7/2014

Fleet customer switched in a '06 M-2 Frieghtliner w/ the MB 900 EGR to their fleet. It has a miss, cylinder cut out shows #3 very low. I pulled #3 unit pump and found the roller has surface damage, I inspected the cam and found the lobe ground down.

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