New lift pump leaking around the top. Ever heard of this? - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 12-15-2011, 04:19 PM Thread Starter
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Question New lift pump leaking around the top. Ever heard of this?

Just put in a new lift pump cause the old one was leaking from the weep hole. I have driven maybe 100 or so miles on the new pump and decided to check for leaks today and found the valley was slightly damp and on top of the lift pump, behind the two things that stick up was a small pool of fuel. Anyone ever have this issue with a new pump (not a reman.)

1997 F-250 Powerstroke diesel
5 speed manual transmission
4x4 Off road package
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DIY Tymar intake
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post #2 of 6 Old 12-17-2011, 09:42 PM
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Never heard of this. Could be a defective lift pump. Only place iv heard of fuel pumps leaking is at the weep hole as you said. or from the banjo bolt on the back side of the pump. are you sure its coming from the top of the pump? could be spraying out from the washers in between the banjo bolt and landing on top the fuel pump. did you try looking at it with the engine running?
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post #3 of 6 Old 12-18-2011, 06:51 AM Thread Starter
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Originally Posted by stroke it out View Post
Never heard of this. Could be a defective lift pump. Only place iv heard of fuel pumps leaking is at the weep hole as you said. or from the banjo bolt on the back side of the pump. are you sure its coming from the top of the pump? could be spraying out from the washers in between the banjo bolt and landing on top the fuel pump. did you try looking at it with the engine running?
Thought the same thing but there isn't enough fuel in the valley to be coming from the banjo bolt and there is a depression behind the the two horn things that stick up that is full of fuel.

1997 F-250 Powerstroke diesel
5 speed manual transmission
4x4 Off road package
FPR shim
DIY Tymar intake
GFS SVO system (runs awsome)
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post #4 of 6 Old 04-26-2012, 06:19 PM
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I have the same issue i bought a new pump from Ford 2 weeks ago and it is leaking from the weld at the fuel bowl feed side. I used leak tracer powder and was able to find the source of the leak. Never thought it would be that but they are man made....
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post #5 of 6 Old 04-26-2012, 07:25 PM
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that's why most folks wind up doing E-Fuel setup...those damn pumps are a COMPLETE P. I. T. ***

'97 Centurion. F350 4x4 CCLB
Full Force 180cc Stage I's, D66, SRP-1.1, ARP, Banks IC, DIY E-Fuel, EBPV Del & Gut'd Ped., BD Exhaust Brake., SD IDM, HPX, BstFoolr, 4" DP - 4" exh,
6.0 Fan, 180 T-Stat, DIY Don.105006 AF, CCV Mod, BTS, W/ SD Trans Lines, Tru-Cool Max, PML Trans Pan, Bumper Mod, IssPro Gauges, Fluidampr, Mellings LPOP.....
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post #6 of 6 Old 04-26-2012, 09:37 PM
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With our trucks being as old as they are the pumps being put out now may not be top notch. Always order from International directly if going with a new pump or just go E-fuel as recommended.
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