6.0 help!!!!!!!!!!! oil problem
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Joined: Feb 2012
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From: Glendale Heights, IL
6.0 help!!!!!!!!!!! oil problem
I am at a total loss and am hoping someone can help. I have a 04 F350 early built motor. The engine runs quite well but I have no oil pressure on the low pressure side. I little history on the repairs already made. I have changed the hpop, oil cooler, front cover, oil filter base and check valves, and the lpop. I have pressure tested the hpo system and all checks out. The stand pipes and dummy plugs have all been updated. The truck will start and run but is developing no oil pressure. The oil pressure has been checked with a mechanical gauge. The local ford tech has said that the next step would be to pull the motor and pressurize the oil system to look for leaks. I hate to spend that kind of money on a hunch. Any insight would be helpful. http://images.ford-trucks.com/forums...ilies2/mad.gif
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From: Glendale Heights, IL
That's the funny part it builds maybe 5psi at idle and will build enough to shut the idiot light off at 2500 rpm. The dealership mechanic thinks it may be a bad lifter. What I question is the lack of wear metals in my last 3 oil samples. I would think that a bad lifter would have showed up.
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From: Glendale Heights, IL
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New User
Joined: Feb 2012
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From: Glendale Heights, IL
This problem started with the truck cutting out will going done the highway. It shut down and would not restart. I changed the hpop and it starts now and runs. The low pressure is supposed to be around 25psi I think. I am a little worried about burning up a new hpop because of lack of oil flow
Fleet Owner
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Sure sounds like you have verified the low pressure condition is real! I have to admit that I have not heard of or seen that condition before (truck running fine with LPO pressure not being enough to activate the oil pressure switch for the dash gauge).
Hopefully a Tech will comment soon!
Hopefully a Tech will comment soon!