1994.5 - 1997 7.3L Power Stroke Diesel  

Manifold/upipe leak

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Old 07-06-2023, 06:11 PM
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Manifold/upipe leak

Any tips on how to go about fixing this? This is the drivers side, not a lot of room thanks! Also all that oil is from an oil leak im currently fixing. Are new upipes in order? I have new manifold gasket and bolts waiting to hear from you guys before i buy manifold and upipes
 
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Old 07-06-2023, 07:25 PM
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Originally Posted by pstrokemike97
Any tips on how to go about fixing this? This is the drivers side, not a lot of room thanks! Also all that oil is from an oil leak im currently fixing. Are new upipes in order? I have new manifold gasket and bolts waiting to hear from you guys before i buy manifold and upipes
did the nut break off?or the bolt head? Can’t tell from pics

new bellowed up pipes should fix. I used diesel site up pipes. They’re pretty nice. Not a fun project to do. But not impossible.

You get what you pay for you know.

https://www.dieselsite.com/dieselsite73lbelloweduppipekit.aspx
 
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Old 07-06-2023, 08:01 PM
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Originally Posted by DanielT28
did the nut break off?or the bolt head? Can’t tell from pics

new bellowed up pipes should fix. I used diesel site up pipes. They’re pretty nice. Not a fun project to do. But not impossible.

You get what you pay for you know.

https://www.dieselsite.com/dieselsit...uppipekit.aspx
nothing appears to be broken, has been leaking there for about a year, im thinking rust age and vibration. Can only really hear it if you stick your head out the window leaving lets say a toll booth. Has been feeling low on power, just swapped out the driver side rear oil rail plug has been my mysterious oil leak as well
 
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Old 07-06-2023, 09:03 PM
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If you got the cash flow may as well do bellowed up pipes. The design just sucks on the OG pipes. But if low on cash non leaking up pipes with OEM doughnuts are better than leaking.
 
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Old 07-06-2023, 09:10 PM
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May as well pull manifolds and squared them up too, they tend to warp after nearly 30 years...BTDT.
 
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Old 07-06-2023, 09:52 PM
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Yeah dont really have the extra 400 for the uppipe kit but dont want to take this apart and then have to wait on the parts to replace anyway. Just doing the driver side for now the passenger side doesnt leak. Those mahle donuts on riff raff diesel are for these two joints where the manifold and the upipe leak, or where the up pipes meet in the collector?
 
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Old 07-06-2023, 09:58 PM
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Leak at collector. These all leak from all over.

My advice? Leave stuff alone until you can properly repair it otherwise you are opening Pandora's Box.
 
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Old 07-07-2023, 08:49 AM
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the pipes get thin where the doughnut rides
you can true up the up pipe with a pipe expander but they will end up leaking fast and you will do it again
 
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