Join Date: May 2011
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no tuner all stock, my dad's truck. and no sign of rust in pump at all, no heat damage from lack of lube and no scoring in pump chambers. Just lots of metal in pump crank case.
Also i traced fuel galleys in pump and all the debris should be post high pressure pump feed meaning all metal material should have gone to return to tank.
I really think the return springs that you see in the pics broke and caused all the destruction.
I have been a diesel tech for 7 years just not on the auto side, this was the first time into a 6.4 took about 7hrs to get the pump out cab on.
I will try to deal with ford this next week, they know there is a problem they just can't admit it. I will keep posting the results.