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Old 04-14-2019, 04:40 PM
jdstrickland jdstrickland is offline
Join Date: Jan 2015
Location: Murrieta, CA
Posts: 470
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Originally Posted by oldskewel View Post
I've got a different engine (M54), but assuming you bought the right belt, I'd double check the routing around all the pulleys. Somtimes there are different ways that it will route, and one is right and one is not right.
If you hold the new and old belts up to each other and measure them, and they are the same, then you must have the new belt routed improperly. The old belt cannot stretch so far as to be loose. It can be shredded, and it can be cracked with age, but it cannot be stretched. It could be stretched something less than 1/4 inch, but it cannot be stretched so far as to not fit. A new belt will be marginally smaller than the old belt, but if it's the same size then it will work. If the new belt is larger, then it's the wrong one.
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