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Not running

Tiny
BLACK60CHURCH
  • MEMBER
  • 1998 INTERNATIONAL TRUCK
  • 7.3L
  • V8
  • 2WD
  • MANUAL
  • 13,000 MILES
Put engine in truck ran perfect and let it set overnight and the lpop will not pump and the hpop is dumping oil back in oil pan and lpop will not fill it up. Truck listed above has a 444 engine.
Wednesday, March 28th, 2018 AT 12:56 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,942 POSTS
Hello,

Not sure about Ipop? Is the engine turning over and not starting or not cranking over?

Please let us know.

Cheers, Ken
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Friday, March 30th, 2018 AT 10:50 AM
Tiny
BLACK60CHURCH
  • MEMBER
  • 6 POSTS
Engine turns over fine. We installed engine and it ran good. Good oil pressure and started good. Let it set overnight now will not build up oil pressure.
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Friday, March 30th, 2018 AT 11:51 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,942 POSTS
I assume you say this because the gauge shows low? Or are you hearing engine noises like lifter clatter? If it is a gauge issue I would start by replacing the sender or rolling in a mechanical gauge. Some causes for low oil pressure is plugged oil pick up screen bad oil pump and internal oil galley plug has fallen oil or excessive clearance in the rod and crankshaft bearings.

Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Saturday, March 31st, 2018 AT 11:25 AM

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