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YES
Quote:
Originally Posted by leathermang
It is a very good idea...
but an even better idea to combine with it... is to do what the MB FSM suggests be done ' on principle' after a certain number of miles...
and that is renew ( replace ) those two nuts which , when adjusted and locked together, make and KEEP your valve clearances...
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Worn out locking nuts are now a common issue.. 
The OM617 Upper nut is x10 per engine
MB# 615 053 00 72
Fastlane: valve locking nut
http://catalog.peachparts.com/item.wws?sku=6150530072
The OM617 Lower nut is x10 per engine
MB# 153 990 02 51
Fastlane:
http://catalog.peachparts.com/item.wws?sku=W0133-1643198
You can always call Phil with parts questions.
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Last edited by whunter; 06-07-2011 at 03:24 PM.
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