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11-06-2011, 08:39 PM
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#1
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Senior Member
Join Date: Sep 2008
Location: Thibodaux, LA
Posts: 1,221
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Replacing exhaust flex pipe?
My turn. Just noticed that the flexpipe going to the muffler on my 8V92 is broken. I'll call this week to find a shop that can handle the 5" flex pipe.
On the inside door for the 12volt terminals + merge switches there is a placard cautioning to disconnect the Allison electronic control unit wiring harness before welding.
Are there any other components that can be damaged from welding?
Don't want to cause more problems while fixing one.
Thanx
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11-06-2011, 10:39 PM
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#2
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Senior Member
Join Date: Feb 2008
Location: Riverside, California
Posts: 1,543
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Had the problem just after the Creede rally...discovered it when we stopped at Tom's cabin on the way home. I bought some flex pipe and fixed it myself....no welding.
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11-07-2011, 12:20 AM
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#3
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Senior Member
Join Date: Sep 2008
Location: Thibodaux, LA
Posts: 1,221
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Just read Your post on this, my flex pipe goes down through a heat shield and makes a 90 degree bend forward to connect with the muffler. So it looks like mine will be a lot harder to do.
You used a clamp on both ends?
That may be easier than getting someone to weld it.
I see that Ryderfleet has galvanized and stainless, which did you use?
Thanks
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11-07-2011, 01:30 AM
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#4
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Senior Member
Join Date: Feb 2008
Location: Riverside, California
Posts: 1,543
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Your description of your configuration sounds just like mine. Mine goes down through a heat shield, takes a 90 degree bend forward to connect with the muffler. I used the stainless steel clamps on both ends from Ryder. Is the diameter of the pipe on top and bottom pipe the same as the flex? I had a different diameter on the bottom pipe than the flex. Ryder has a clamp that mated the two different diameters perfectly. I'll take pictures in the morning and post, if I didn't already on my prior post....can't remember if I did.
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11-07-2011, 01:12 PM
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#5
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Senior Member
Join Date: Jun 2009
Location: Idyllwild, CA
Posts: 1,340
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Here is a link to your earlier post;
http://www.newellclassic.com/forum/s...ight=flex+pipe
Forest, This type of tubing would be very hard to weld and most likely with limited results. I would go with the stainless if possible, galvanized wouldn't last as long.
PS Looks like Clarke did a good job.
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have Coach will Travel
Steve & Tricia
1982 Newell 38' (built before #1) 6V92 DD, 5 Speed Allison, 12.5 KW Kohler, Couch used to make into a Bed but I fixed it!
https://newellshowcase.com/thumbnails.php?album=214
2007 Yukon, 1981 CJ7 Laredo, 2002 Honda CRV, 1955 Thunderbird, 1952 Pontiac Sedan Delivery, 1952 Ford 8N, 1958 Airstream, 1959 Glasspar 16' Avalon, Cabin in the Woods........what will I work on next
[SIGPIC][/SIGPIC]
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11-08-2011, 12:58 AM
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#6
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Senior Member
Join Date: Feb 2008
Location: Riverside, California
Posts: 1,543
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Yep, the flex piping is galvanized, but I thought using stainless steel clamps would be wise, and also would make it easier to replace this section when it goes again in a few years. I've got 8 feet of it left...haha! Originally the upper part of the flex pipe was welded, but a crude clamp was used to connect the bottom. It is really solid now. Thanks, too, for the link to my post.
Here are two specific pictures of the clamps I used.
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11-08-2011, 01:34 AM
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#7
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Senior Member
Join Date: Sep 2008
Location: Thibodaux, LA
Posts: 1,221
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Looked at mine today and the way it is made I'd have to drop the muffler in order to replace the flex pipe. The muffler and rest of flex pipe look in good condition so I ordered a stainless clamp (like yours) and will clamp it over the pipe where it's broken. I figure it's worth it to try that first.
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