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International Automotive Technicians Network
Re: 2008 IH 4400
Posted to HD/Fleet Forum on 5/2/2019

Pull your oil pump and look at the lobes and back of them for any scoring. Run into this quite often on DTs. In fact I just finished up one this morning for the same issue. Had 6-8 sec. cranking without any ICP and as soon as I get 2 psi base oil pressure the ... Login to read more.