fuel pump advice
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Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
fuel pump advice
I finally had time to get a good look at my fuel leak. It is a really slow leak that seems non-existent until the engine warms a little. It is coming from the fuel pump and seeps into the valley right under the banjo bolt. I can't see the weep hole with the mirror I have but I suspect it is right there where the banjo assembly joins the main body of the pump. The fuel is barely coming out but after a little bit I have a little puddle in that valley and once it fills it spreads. Definitely not the banjo bolt - it is tight and I can see with the mirror there is no leak there.
So, it might just be an o-ring in the pump but if I'm going in that deep I might as well replace the pump. Is there any real difference in the quality? Looks like about $100 at Oreilly, $120 at RiffRaff and then there are some really expensive ones in the $240 range. Hard to imagine they are worth it, but thoughts appreciated.
I suppose I might as well re-seal the fuel filter basket at the same time and replace all hoses.
Any advice on pump brand/cost is appreciated.
So, it might just be an o-ring in the pump but if I'm going in that deep I might as well replace the pump. Is there any real difference in the quality? Looks like about $100 at Oreilly, $120 at RiffRaff and then there are some really expensive ones in the $240 range. Hard to imagine they are worth it, but thoughts appreciated.
I suppose I might as well re-seal the fuel filter basket at the same time and replace all hoses.
Any advice on pump brand/cost is appreciated.
Cargo Master
Joined: Nov 2010
Posts: 3,244
Likes: 40
From my understanding all of the pumps are made by the same company. They are pretty much all good to go, just depends what you feel like paying. I'd go ahead and re-seal everything I could while I was in there. I'd reckon that the o-ring on your pump shaft is deteriorated and letting fuel leak.
Thread Starter
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Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
That's crazy. Well, then I'll find the one closest to home and get it there.
Anyone know what the square Oring on the Y-pipe that feeds the intakes is called? It's got that weird clamp on it at the turbo. Mine's a little squished
Anyone know what the square Oring on the Y-pipe that feeds the intakes is called? It's got that weird clamp on it at the turbo. Mine's a little squished
Lead Driver
Joined: Oct 2010
Posts: 5,128
Likes: 44
From: Columbus, Oh
Square O-ring?
Thread Starter
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Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
Yeah, its a circle but the edges are squared like. When you pull that y pipe to see in by the fuel pump, it is the oring that seals up by the turbo - if I have my parts named right
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Lead Driver
Joined: Oct 2010
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From: Columbus, Oh
I believe this is what you're looking for
Riffraff Diesel: Garrett Compressor Housing Outlet O-ring 94.5-Early 99
Riffraff Diesel: Garrett Compressor Housing Outlet O-ring 94.5-Early 99
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Thread Starter
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Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
I believe this is what you're looking for
Riffraff Diesel: Garrett Compressor Housing Outlet O-ring 94.5-Early 99
Riffraff Diesel: Garrett Compressor Housing Outlet O-ring 94.5-Early 99
Thread Starter
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Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
I've got to admit that the mechanical just seems more reliable to me. I remember electric fuel pumps as potential nightmare's - probably unfounded anymore, but I'm still skeptical. Is three a big advantage? Better for future mod's? Really hard to do?
Postmaster
Joined: May 2011
Posts: 3,447
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From: Monroe City in
Yes if you are thinking about injectors in the future you might want to think about getting it. There are plenty of guys on here that have done it that would be able to help you out. It cleans up the valley and gets rid of that leaky fuel bowl. There are some good pumps out there but some keep an extra just in case. Plus if it does go out it is easyer to change.
Thread Starter
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Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
Yes if you are thinking about injectors in the future you might want to think about getting it. There are plenty of guys on here that have done it that would be able to help you out. It cleans up the valley and gets rid of that leaky fuel bowl. There are some good pumps out there but some keep an extra just in case. Plus if it does go out it is easyer to change.
Thread Starter
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Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
I don't know why I am so leary of epumps. I've had lots of cars with them. I sold auto parts back in the 80's when they were becoming extremely prevalent and I remember how expensive they were compared to a 350 chevy manual pump. It must have stuck in the back of my mind like when you throw up on peach schnapps and can't never drink it again!
