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Old 07-01-2002, 11:30 AM
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pmizell pmizell is offline
Benz Zealot
Join Date: Jun 2001
Location: Houston, Texas
Posts: 838
Unless you're a very experienced DIY'er...

..replacing the timing chain is NOT an easy task. It is highly unlikely that you need to replace your chain; many techs on this board have stated they have never seen an M103 chain break, and when they did it was due to castostrophic failure of the chain guide itself.

I DO recommend replacing the chain tensioner guide and the chain rail if it has never been done before.

The sealant you need is Loctite 5900. I don't have a p/n but phone Phil at Fastlane and he'll fix you up.

Good luck!


'91 300E, 213K miles
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