LPOP help...
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Hotshot
Joined: Jul 2008
Posts: 11,231
Likes: 130
From: Thomasville, GA
LPOP help...
Still trying to figure out my no-start and no-oil getting to HPOP issue.
Pretty sure my LPOP is shot, but not sure how to change it.
Anyone have a list of tools needed to change it, how long it should take to change, and a write-up or instructions on how to change it out? Pictures would be great...
Ford Dealer quoted me $90 for the LPOP gears and O-ring. They also mentioned something about a cover (front cover maybe?) but said I might not need that.
Pretty sure my LPOP is shot, but not sure how to change it.
Anyone have a list of tools needed to change it, how long it should take to change, and a write-up or instructions on how to change it out? Pictures would be great...
Ford Dealer quoted me $90 for the LPOP gears and O-ring. They also mentioned something about a cover (front cover maybe?) but said I might not need that.
Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
Have you considered a cracked pickup tube? It's not common but it does happen.
Test:
]Over fill the crankcase by 2-3 quarts.
Lift the rear of the truck as high as you can get it.
Attempt to start the truck. If it starts the problem is the pickup tube.... not the LPOP.
Test:
]Over fill the crankcase by 2-3 quarts.
Lift the rear of the truck as high as you can get it.
Attempt to start the truck. If it starts the problem is the pickup tube.... not the LPOP.
Hotshot
Joined: Jun 2007
Posts: 10,008
Likes: 7
From: Austin, TX
I saw that you needed to be signed in to SDD in order to see this so i figured i'd grab it and post it here in case you weren't a member of SDD. I do agree with Jim. I'd check for the cracked pickup tube before messing with the LPOP. If it is the LPOP i think i would get the Melling oil pump from ITP Diesel(now Sinister Diesel...)
Thread Starter
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Hotshot
Joined: Jul 2008
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From: Thomasville, GA
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Fleet Owner
Joined: Aug 2004
Posts: 20,419
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From: AZ
Hey guys, what it be worth his time to maybe change his oil to a straight 50 weight to see if the LPOP will pump it up. If not then it might be the pump. Jim's is a good test also.
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Posting Guru
Joined: Sep 2007
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From: Las vegas
I hate to say it but every time I saw a T444E with no oil presure it wasn't the pump or the pickup tube, there's a valve in the back of the inner front cover in the oil passage right off the pump that has a bad habbit of falling out. I would still check the pickup tube first then if its good pull the ouil pump and inspect it for knicks, pittting or gaulding. If its good then that fitting probly fell out.
Thread Starter
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Hotshot
Joined: Jul 2008
Posts: 11,231
Likes: 130
From: Thomasville, GA
Well fellas. I didn't get any good results from testing it, so it's at a shop now. I just don't have the tools or space to take on a project this big.
On another note, Happy Independance Day! Take a minute to remember the reason for this holiday.
To all my fellow Marines out there, Semper Fidelis!
On another note, Happy Independance Day! Take a minute to remember the reason for this holiday.
To all my fellow Marines out there, Semper Fidelis!
Postmaster
Joined: Sep 2007
Posts: 4,195
Likes: 6
From: Medford Oregon
Brownie, you indicated before this problem happened you worked on two injectors for a miss (original thread). Did you have those injectors out? Reason I'm asking is on other sites I've read if the top o-rings are damaged then the HPOP will pump oil out of the reservoir faster than the LPOP can supply it.
Hope the shop finds the problem and it is a simple fix .. $$$ ...
Hope the shop finds the problem and it is a simple fix .. $$$ ...
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
I hate to say it but every time I saw a T444E with no oil presure it wasn't the pump or the pickup tube, there's a valve in the back of the inner front cover in the oil passage right off the pump that has a bad habbit of falling out. I would still check the pickup tube first then if its good pull the ouil pump and inspect it for knicks, pittting or gaulding. If its good then that fitting probly fell out.