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07-16-2012, 09:46 PM
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#1
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Join Date: Mar 2008
Location: Somerset, NJ
Posts: 4,223
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serpentine belt falling off
hey guys,
last night after the storm driving out of work in the parking lot i made a turn, hit a puddle at the same time and all my belt driven accessories went out. it happened once a few months ago so i knew what it was, checked under the hood the serpentine belt just fell off. i put the belt back on and it was fine, started driving again...and on 18 i was driving and hit the smallest puddle at like 55 and it happened again. put it back on and drove home. is it time for a new tensioner? this problem doesnt happen when its dry out but only when it rains. thanks for any help in advance
Jon
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Jon
1999 Trans am WS6
1996 Corvette LT4 6 speed
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07-16-2012, 09:52 PM
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#2
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Join Date: Feb 2010
Location: Stillwater
Posts: 822
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Have you checked the belt & tensioner for play?
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Quote:
Originally Posted by LTb1ow
...its cool to like diesels, cause that and pretending to be country is like, hip nowadays!!
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07-16-2012, 09:56 PM
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#3
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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Quote:
Originally Posted by madness410
hey guys,
last night after the storm driving out of work in the parking lot i made a turn, hit a puddle at the same time and all my belt driven accessories went out. it happened once a few months ago so i knew what it was, checked under the hood the serpentine belt just fell off. i put the belt back on and it was fine, started driving again...and on 18 i was driving and hit the smallest puddle at like 55 and it happened again. put it back on and drove home. is it time for a new tensioner? this problem doesnt happen when its dry out but only when it rains. thanks for any help in advance
Jon
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I would say yes, and a new belt...
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1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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07-16-2012, 10:02 PM
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#4
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Join Date: Mar 2008
Location: Somerset, NJ
Posts: 4,223
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the belt was replaced about 2 months ago..the tensioner looking at it while the motor is running the belt looks pretty close to the edge of the pulley
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Jon
1999 Trans am WS6
1996 Corvette LT4 6 speed
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07-16-2012, 10:03 PM
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#5
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Join Date: May 2009
Location: Highland Mills, NY
Posts: 1,915
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Yeah I'm gonna have to agree its a very cheap and easy place to start anyway. Hopefully its the right belt as in length, on the tensioner it back spins off it so it will take up the entire width of the pulley.
The tensioner is just two 15mm bolts to replace, literally a 5 minute job.
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2000 Camaro SS 610rwhp/570rwtq LS2 440, 12 bolt 3.73, tranzilla t56
Last edited by MyFirstZ; 07-16-2012 at 10:05 PM.
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09-02-2012, 08:26 AM
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#6
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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something could be out of line and forcing it towards the end and the only thing keeping it on the pulleys is the friction from the belt and then when it gets wet it has no friction and its just shooting off. make sure your crank pulley is all the way tight
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09-02-2012, 11:48 AM
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#7
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Join Date: Mar 2008
Location: Somerset, NJ
Posts: 4,223
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yeah thats what it looked like...half the belt looked burnt or something it was brown the other side was black. i replaced the tensioner and the belt and absolutely no issues now. weird tensioner on the 3.8's the heater core hoses go right through it and into the block
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Jon
1999 Trans am WS6
1996 Corvette LT4 6 speed
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