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Craftsman YT4000 - Drive Belt Comes off in Reverse

322 Views 3 Replies 3 Participants Last post by  tater73
Craftsman YT4000 917.288570. Drive belt popped off. It was the original belt, 10 or 12 years old. Purchased a new belt. Works fine when moving forward, but when I go to reverse, there's a bit of a "groaning" sound, and in just a few seconds the belts pops off. Each time, it comes off of the transmission pulley.
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That's odd, the belt doesn't change directions directions in reverse.
^^^ correct. I anything loose, broke or recently worked on? Something moving with the transaxle that, when in reverse, cause the belt to slacken?
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