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Old 01-28-2003, 10:59 PM
stephenson stephenson is offline
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Join Date: Dec 2000
Location: Fairfax County, Virginia
Posts: 856
603 diesel engine - acc belt tension adj or shock?

I have replaced the accessory belt shock annually on my 350 SDL ... it sounds like it is shot again.

Could it be that I should have replaced the accessory belt tension adjuster? It looks like it absorbs part of the vibration load and then allows some of it to go to the shock ... am I on the right track?

If I am, I should replace both at the same time, right?

Indications are a bit different this time ... usually, it just starts a low pitch rattle. This time it sounds more like a "tinging" noise that I have read is typical ... scary sounding (like chain rails coming loose).
George Stephenson
1991 350 SDL (200K and she ain't bent, yet)
former 2002 E320 4Matic Wagon - good car
former 1985 300 CD - great car
former 1981 300 TD - good car
former 1972 280 SEL - not so good car
a couple of those diesel Rabbits ...40-45 mpg
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