Well Tom, how did he figure out the damper (small shock is dead)?? The damper (shock) does NOT provide any tension for the belt. It's just a damper for belt oscillations and vibrations. If the adjusting bolt has come loose (it's on a collar at the rear of the tensioner), you will have to remove the tensioner and collar to see if the rivet has come loose or the collar is actually broken. Either way the adjuster and the collar can be bought separately (about $25.00) at the dealer. Make sure of this before you buy a new tensioner..

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Jeff Lawrence
1987 300e
1989 300e
2000 Dodge Grand Caravan SE