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uppipe bolts rotted

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Old Sep 16, 2023 | 01:38 PM
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uppipe bolts rotted

is it going to be pain in *** to get bolt out of exhaust manifold? its not threaded in but still looks like its going to be stuck from corrosion.


 
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Old Sep 16, 2023 | 01:58 PM
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Saw it between the two sides........Get the red wrench out.....heat it up cherry red tap it out.
 
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Old Sep 17, 2023 | 12:49 AM
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As Dan said just cut the bolt in the middle with a saw, if needed. If you don't have a torch take a hammer to it.
 
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Old Sep 17, 2023 | 07:17 AM
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Just went through this myself... Go ahead and order some replacement manifolds and a new bolt kit now.. the bevel seal for the uppies is likely corroded too. I tried reusing mine after I got the bolts out, but they just leaked .... Going back in next weekend to put on some osed OEM's from a rust free donor off of Ebay.. Theres lots of complaints about the non-oem's cracking...Good Luck!
 
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Old Sep 17, 2023 | 07:29 AM
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It looks to me like one bolt's already 'cut' for you. As stated above. a good heating will permit removal. Fortunately, those are all nuts and bolts, nothing threaded into the manifold or anything so that job is fairly easy.
 
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Old Sep 18, 2023 | 06:07 AM
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i hope so. few of them are all ready "cut" but they havent fell out . People smoking crack wanting $1500 for IH up pipes. Hopefully i just need to replace bolts.

Can I get the rotted bolts out with while manifolds are.still on or do i have to remove them from head? not alot of space to get a hammer in.

mountain man-you replaced the exhaust manifolds?
 
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Old Sep 18, 2023 | 06:50 AM
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Originally Posted by 97vanswap
i hope so. few of them are all ready "cut" but they havent fell out . People smoking crack wanting $1500 for IH up pipes. Hopefully i just need to replace bolts.

Can I get the rotted bolts out with while manifolds are.still on or do i have to remove them from head? not alot of space to get a hammer in.

mountain man-you replaced the exhaust manifolds?
Throw set of the Dorman pipes in.
 
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Old Sep 18, 2023 | 08:14 AM
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Originally Posted by 97vanswap
is it going to be pain in *** to get bolt out of exhaust manifold? its not threaded in but still looks like its going to be stuck from corrosion.

Originally Posted by 97vanswap
i hope so. few of them are all ready "cut" but they havent fell out . People smoking crack wanting $1500 for IH up pipes. Hopefully i just need to replace bolts.

Can I get the rotted bolts out with while manifolds are.still on or do i have to remove them from head? not alot of space to get a hammer in.

mountain man-you replaced the exhaust manifolds?
Doesn't look like there's much lip to grab surrounding the rusty nut, grinding may have to be employed, but if you get a tie rod puller in there somehow, you could put some serious pressure on the broken bolt that is stuck in the hole. Something similar to this is what I have in mind.
Image pulled from this on Harbor Freight.
https://www.harborfreight.com/3-4-qu...tor-99849.html


 
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Old Sep 18, 2023 | 08:57 AM
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You should be able to tap on it and get it out of there. Some heat would help. After a few years you can forget about removing that hardware the normal way.
 
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Old Sep 18, 2023 | 12:35 PM
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did this on mine last fall installing new buppies

cut bolts
tap out with punch
ream with wire brush and or file
install new stuff
 
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Old Sep 19, 2023 | 01:40 PM
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hello knotty. did you do it with ex-manifolds still on truck? i know.ill get em out with ex manifold.removed but i dont.wamt to go.through that if possible.
 
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Old Sep 19, 2023 | 02:03 PM
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Originally Posted by 97vanswap
hello knotty. did you do it with ex-manifolds still on truck? i know.ill get em out with ex manifold.removed but i dont.wamt to go.through that if possible.
I did mine leaving the ex-manifolds attached to the engine. If you have that much rust on those bolts.....you're in for a surprise when you start taking off the ex-manifolds.
 
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Old Sep 19, 2023 | 02:15 PM
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I have melted the rusted bolts out of the manifold ears with an oxy/acetylene torch before....
 
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Old Sep 19, 2023 | 02:24 PM
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Originally Posted by 97vanswap
hello knotty. did you do it with ex-manifolds still on truck? i know.ill get em out with ex manifold.removed but i dont.wamt to go.through that if possible.

my manifolds were left on
my trans was out though, making much more room
 
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Old Sep 20, 2023 | 10:54 AM
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Originally Posted by Dan V
I did mine leaving the ex-manifolds attached to the engine. If you have that much rust on those bolts.....you're in for a surprise when you start taking off the ex-manifolds.
This is a good example of anything that can go wrong will go wrong. Like snapping a bolt off of the threads that are still in the cylinder head.
 
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