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#1
07-08-2003, 05:18 PM
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small perforation on back muffler
I have a small perforation that looks like a nail hole in the middle of the sheet metal of my rear muffler. I happened to notice it when I was putting in a new differential mount this weekend.
The hole had some soot around it, so I assume there is some leakage. Is there an easy fix (I don't have welding equipment, maybe this is a good excuse to get a mapp torch)? JB weld is only good to 500 degrees, which doesn't sound high enough. I only found a couple of references to tape on the web. I realize that this is really a trivial problem so there is no urgency. Anyone know of any easy solutions?
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84 300TD - 235k - Farbe "Surfblau" bought at 213k 87 300SDL - 131k - Farbe "PimpGold" bought at 115k 00 Klepper Faltboot Expedition Double 
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#2
07-08-2003, 05:31 PM
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Replace the holy mufler with straight pipe ...
...and put one of those HUGE chrome "Rice Boy" exhaust tips on the end. über cool eh?
Seriously, a MAPP torch isn't going to do you much good there...not enough heat. I saw in anouther thread that you really don't need that last muffler. I guess the chrome tip would be optional too. R
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Never a dull moment at Berry Hill Farm.
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#3
07-08-2003, 11:05 PM
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I have mine wrapped with a muffler fixing silver tape. About one year now and still holding very well. Also the muffler in my diesels are much cooler than Honda or other gas cars after a long drives also.
Lets put it this way, I can touch the muffler of my car after a 50 miles drive without getting burnt. So I am not sure if high temp is an issue. JB weld was holding a crack on my old 1982 caprice wagon engine block for about 5 years and did not give up before the tranny gave up. MVK
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One penny saved is three penny earned. 1985 300D Turbo 179,000miles
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#4
07-09-2003, 12:04 AM
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Put a heet metal screw in it.
P E H
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#5
07-09-2003, 12:37 AM
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Rear muffler fix
Surfblau,
I had the same problem last year with one of my center mufflers. I fixed it using a layer of JB Weld, with a 1" square of Muffler Bandage held in place by a 2" square of aluminum with one rivet in each corner. It started out a pinhole, but, like a cavity in your teeth, when I got done filing away to solid metal on all sides, it was the size of a nickel. (I know it's overkill with the riveted aluminum, but they wanted $188, plus tax, for a new center set, so this muffler has to last me a few more years). The fix has lasted for 12,000 miles so far, with no sign of any leaks. Total cost: $6.50 for JB Weld and Muffler Bandage, and free rivets from my son's cheapo rivet gun. I'm a happy DIY'er!! If the JB Weld will work with the heat of the center mufflers, you won't have any problem with the cooler rear muffler. SteveKaa ----------------------------------------------------- 1982 300SD 318k miles
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