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Re: 04 IH 4400 HPOP question
Posted to HD/Fleet Forum on 12/10/2009

the pump and ipr sound liek they are working fine. and you dont have any leaks under the valve cover because you pressurized it with a portapower. what does your actual icp read when you crank it? did you crank it enough to get the air out of the oil rail? Login to read more.