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Old 04-20-2010, 12:23 AM
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New Exhaust Hangers Aren't Lasting

About 3-4 months ago I installed a set of new rubber exhaust hangers. I got the reinforced type (not the donut type). Now they are cracked and look like they could give out.

I noticed this same thing on the 300SD I used to own. They only lasted 6 months before falling apart. I guess they are just made out of bad rubber.

The OEM donut type seem to last for decades (though they eventually stretch out and get hard).

I really like how the reinforced hangers keep the exhaust secure, but they just don't last (less than a year). I guess I should go back to the donut type. Is this consistent with others' experiences?

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Old 04-20-2010, 03:05 AM
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My experiences;

Polly bailing twine wound & wound around lasts about 5 years.

a reinforced rubber one cut out of the sidewall of an old tire has yet to fail (8 years)

It is easier just to use the OEM ones. I only had the above experiences as the original ones failed in remote locations & at times that I couldnt get the OEM ones .
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Old 04-20-2010, 12:12 PM
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One of the problems I ran across was bent metal hangers on the exhaust system. This caused the exhaust to "dangle" and crack the rubber donuts at a rapid pace. Using OEM rubber hangers from the dealer and reforming the metal to cause the exhaust to be snug against the rubber exhaust bumpers, has really helped.
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Old 04-20-2010, 12:35 PM
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After ordering replacement hangers from Fastlane I noticed that Advance Auto had rubber dough-nuts in stock, sitting on the shelf by all the exhaust adapters. I don't know if they are exactly the same, but they would work, and if the price is right, you could replace them on an annual basis as a maintenance step.
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Old 04-20-2010, 03:35 PM
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Quote:
Originally Posted by Squiggle Dog View Post
About 3-4 months ago I installed a set of new rubber exhaust hangers. I got the reinforced type (not the donut type). Now they are cracked and look like they could give out.

I noticed this same thing on the 300SD I used to own. They only lasted 6 months before falling apart. I guess they are just made out of bad rubber.

The OEM donut type seem to last for decades (though they eventually stretch out and get hard).

I really like how the reinforced hangers keep the exhaust secure, but they just don't last (less than a year). I guess I should go back to the donut type. Is this consistent with others' experiences?
Are these the reinforced ones that MB used on the 560SL?
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Old 04-20-2010, 04:36 PM
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These are the exhaust hangers I have been using:
Attached Thumbnails
New Exhaust Hangers Aren't Lasting-img_5330.jpg  
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1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles
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Old 04-20-2010, 11:19 PM
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Thease are for the 86 SL, have a chain in the rubber for a back up.




Charlie
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Old 04-20-2010, 11:57 PM
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Quote:
Originally Posted by Squiggle Dog View Post
These are the exhaust hangers I have been using:
I used these too from Worldpac and they failed in about 9 months.

Of course the original M-B ones had lasted 18 years, why exactly did I replace them?
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Old 04-21-2010, 01:03 AM
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Originally Posted by charmalu View Post
Thease are for the 86 SL, have a chain in the rubber for a back up.




Charlie
Those are the best ones to use for the W126 sedans and coupes.

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