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International Automotive Technicians Network
Re: 2008 IH 4400
Posted to HD/Fleet Forum on 5/6/2019

Hi Henry, We are going to change the engine oil on it as it is due and don't want to overlook a potentially easy fix! If it doesn't, we are going to look at the low pressure oil pump. This truck does have a PTO and did an engine hour evaluation by dividing the... Login to read more.