My condolonces as well, Ken. You always feel like ***** when your best efforts have turned sour. Take it from Carrameow, there are good days and there are bad days.

Better days are coming for you.

And, as Tim suggested, please let us know the details of how this could possibly happen when you have changed all the relevant parts.

Ken, What starts out as ways to better your vehicle, ends up going south. Intentions are a b---h sometimes. Hope all goes well. Let us know how it's going.

Ouch, I wonder what went wrong?

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Hey guys,

Its not a shock, its a damper.

It doesn't absorb any shocks, it dampens oscillations. To absorb shocks, U have to have something that stores energy such as a spring.

P E H

I have a feeling that the tension spring had not been completely hooked into the idler pulley shaft. The same thing happened to me, but I caught it beforte it could have done any damage.

Roman
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87 300SDL 152K
86 300SDL 212K
86 420SEL 228K
81 300D 148K

Same thing just happened to me, except my tensioner parts were 2 years and ~20kmi old, not failing, still parallel, smooth, etc. My failure mode was a little different, and thankfully I didn't tear up any tranny lines...

Forum thread:
OM603: Freak failure of timing cover. 1987 300D

Photos of my failed 603 timing cover:
http://www.w124performance.com/images/OM603_timing_cover/
(URL updated)

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Dave
Boise, ID
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