My vehicle has a squeaky serpentine belt.

I have replaced the belt but the squeak was back within days.
Then I replaced the belt tensioner assembly, but returned within days.
What will stop the squeak???


Answer:
It is likely that one or more pulleys are wobbling or not flat in line with the other pulleys. All pulleys must be in one plane.
If off-angled, a pulley will rub away at the belt. That rubbing will cause a squeak.

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