The small bearing at the backmay have reached the end of its life, or the idler pully is dry. Try putting some multi-purpose oil on the shaft of the pully.
johan kruger
October 2008
Hello,
It could be the idler pully that keeps tension on the belt.
JP
June 2005
I think that may mean you need a new drive belt because it happened to mine but I may be wrong .
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