Re: [MBZ] OM603 belt tensioner

2007-03-05 Thread Mitch Haley
Jim Cathey wrote: > > Check carefully the big center rocker bearing. For whatever reason, > ball bearings that rock rather than spin don't seem to last too long. Fretting? Depends on how far they rock. Train rides used to cause fretting in wheel bearings before the new cars got to the dealers

Re: [MBZ] OM603 belt tensioner

2007-03-05 Thread Jim Cathey
sharp vibration and the belt was visibliy jumping. Any advice or guidance will be appreciated. Check carefully the big center rocker bearing. For whatever reason, ball bearings that rock rather than spin don't seem to last too long. -- Jim

[MBZ] OM603 belt tensioner

2007-03-05 Thread Bob DuPuy
Ok so, checking the oil in the wifes oil in the SDL and low and behold the top bolt for the belt tensioner shock is missing and so is the top bushing and the threads in the head too. I figure I can helicoil the threads, but what is the list wisdom on OEM, OE or after market for the shock and idler