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Old 01-24-2003, 01:19 PM
sixto's Avatar
smoke gets in your eyes
Join Date: Jun 2000
Location: Eastern TN
Posts: 20,843
E300 2.5 timing chain failure

Is it me or are there more posts about E300 2.5 timing chains failing than 300SDL heads cracking or 350SD/L rods bending?

What are the telltales if any of OM602 chain failure?

What is the frequency of E300 2.5 chain and/or guide replacement that keeps chain failure in check?

Why haven't I read of 190D 2.5/t timing chain failures?

91 300SE
87 300SDL
83 300SD

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Old 01-24-2003, 01:45 PM
Registered User
Join Date: Jan 2002
Location: Colorado Springs, CO
Posts: 1,006
I think its you I've not seen any timing chain failures at my mechanic, but I have seen engines that have cracked heads or turbo failures.
Brian Toscano
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Old 01-24-2003, 02:32 PM
it leaks, its german
Join Date: Mar 2002
Location: raleigh nc
Posts: 1,111
In the last 8 months we have had a 606 with a broken chain and a 603 with 17 degs of stretch in the chain here.

I always recomend checking the timing and degree of stretch of one of these with more than 100k on it. Still not a perfect check for chain condition but, with the costs of repairing one that popped a chain, cheap insurance.

Just be sure to look at the gears closely as well.

There was a bulliten on the earlier 603's as well.


Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.
Raleigh NC
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