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post #1 of 7 Old 12-07-2012, 06:53 PM Thread Starter
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Noisy WVO pump

I have had this WVO design pump in my truck for about 6 months and it has 6-7k miles on it. Lately it sounds like a straight cut gear pump, kind of grinding type noise, It is loud enough to drowned out the sound of the exhaust, Is any one else having this problem


Thanks Kevin

Central, New York,
'02 F350 XLT CC,SB,Dually 4x4 7.3L auto 143K mi.
ZooDad, NAPA 6637, '08 Mirrors, DIY WVO system
Towing 2011 Flagstaff 8528BHSS
Truck & Trailer GCVW 18980 Lbs 6/20/2012



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post #2 of 7 Old 12-08-2012, 10:04 AM
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I would a call to Leon would likely solve your problem.

99 F350 7.3
320K w/ 150k+ on Biofuels

Casserly Stage 2's-TE Modded 17 HPOP
DP Tuner F6 & PMT1-Van Turbo Non EBPV & 6637
Twin Fass Pumps B100 & D2 Regulated Return- Fuel Lab
Isspro Pyro, Trans, Boost-Air and Fuel Temp
WVO processed by Simple Centrifuge
B100 by Biopro 190
B100 powered Excursion, F250 CCSB, and Two TDI Jettas
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post #3 of 7 Old 12-08-2012, 11:47 AM Thread Starter
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I emailed Jason about it Wednesday and his answer was "They do that when the oil is cold. Is it still holding pressure?" .... I replied its working ok and at that time it was holding psi. I noticed yesterday after it got hot the psi would hold unless I floored it then the psi would drop to 50 psi like a clogged filter and the jump back to normal and bounce occasionally. I was wondering if anyone else that has a WVO Design pump and if they have had the same problem
Thanks Kevin

Central, New York,
'02 F350 XLT CC,SB,Dually 4x4 7.3L auto 143K mi.
ZooDad, NAPA 6637, '08 Mirrors, DIY WVO system
Towing 2011 Flagstaff 8528BHSS
Truck & Trailer GCVW 18980 Lbs 6/20/2012



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post #4 of 7 Old 12-19-2012, 08:34 PM
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filter is before or after the pump? You might get lucky and just have a lot of build up on the "in" part of the fuel pump well unless you have a high micron prefilter like FASS does with theirs.

Early 99 crew cab long bed SRW
Vegistroke V3.
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post #5 of 7 Old 12-20-2012, 06:28 PM Thread Starter
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I found water in the pump motor, I received the new motor today. I filled every crack and crevice with silicone and will be installing it tomorrow. Many thanks to Jason and Leon for standing behind there products

Central, New York,
'02 F350 XLT CC,SB,Dually 4x4 7.3L auto 143K mi.
ZooDad, NAPA 6637, '08 Mirrors, DIY WVO system
Towing 2011 Flagstaff 8528BHSS
Truck & Trailer GCVW 18980 Lbs 6/20/2012



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post #6 of 7 Old 12-20-2012, 06:39 PM
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Quote:
Originally Posted by kevinj1 View Post
I found water in the pump motor, I received the new motor today. I filled every crack and crevice with silicone and will be installing it tomorrow. Many thanks to Jason and Leon for standing behind there products


Where in the hell did the water come from?
Is the pump under the truck? And if so, I wonder how water can get into the armature?

99 F350 7.3
320K w/ 150k+ on Biofuels

Casserly Stage 2's-TE Modded 17 HPOP
DP Tuner F6 & PMT1-Van Turbo Non EBPV & 6637
Twin Fass Pumps B100 & D2 Regulated Return- Fuel Lab
Isspro Pyro, Trans, Boost-Air and Fuel Temp
WVO processed by Simple Centrifuge
B100 by Biopro 190
B100 powered Excursion, F250 CCSB, and Two TDI Jettas
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post #7 of 7 Old 12-21-2012, 05:30 PM Thread Starter
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Yes the pump is under the truck. I don't know exactly how the water got in.
Addition I took a good look at how I had the pump installed and found I had it so were the wires go thru the housing were directly on top at 12 o'clock. and the water must have wicked its way in.

Central, New York,
'02 F350 XLT CC,SB,Dually 4x4 7.3L auto 143K mi.
ZooDad, NAPA 6637, '08 Mirrors, DIY WVO system
Towing 2011 Flagstaff 8528BHSS
Truck & Trailer GCVW 18980 Lbs 6/20/2012



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Last edited by kevinj1; 12-22-2012 at 06:48 PM. Reason: addition
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