Tom Hargrave wrote: > The dangerous failure mode is when the internal drive roller mechanism fails > and it takes the front surface of the IP timing mechanism with it. The > Manufacturer designed an updated vacuum pump that solves the problem. I > replaced mine at 250,000 miles and the original looked like new. But this is > when you want to replace one, once the damage starts it's too late.
Bearings into the timing chain are a far more catastrophic and frequent occurrence than destruction of the timer. Dropping parts into the sump that can ultimately be picked up by the oil pump occurs more often than damaged timers. A failed vacuum pump on a 60x engine is to be avoided even if it means replacing perfectly good pumps from time to time. Marshall -- Marshall Booth Ph.D. Ass't Prof. (ret.) Univ of Pittsburgh School of Medicine [EMAIL PROTECTED] _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
