Why does the serpentine belt on my 2000 firebird come off when it gets wet?

2000 PONTIAC FIREBIRD
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CARRIL
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I was told there is a problem with the idle arm pulley and the original(metal) ones are not "grooved" to hold the belt on. I can not find any other type of pulley or aftermarket that looks to fix the problem. This is reacquiring and dangerous.
Please a part number would be very helpful!
Thank You,
Carri
Dec 4, 2011 at 7:48 PM
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RIVERMIKERAT
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Check the alignment of the pulleys. They need to be perfectly aligned. You may need to shim something to get them to line up.
Dec 4, 2011 at 7:52 PM
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FIXITMR
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are all plastic guards in place under car? the belt should NOT be getting wet.
Dec 4, 2011 at 8:08 PM
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