Question about 2001 Oldsmobile Aurora

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Why all of a sudden would my crankshaft pulley start wobbling? I heard a squealing sound from engine and looked to see and noticed the wobble, only that pulley is doing it.

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2 Answers

Crankshaft Damper Pulley-- gone bad,replace it

Posted on Oct 14, 2010

  • dayne1007 Oct 18, 2010

    it wouldnt go over 1000 rpm whike driving and stalled when at stop....now wont start at all....is there another problem or a senser thats stopping it from starting due to damper pulley being bad

  • Anonymous Oct 18, 2010

    You have to first repair whatever is obvious. That being a worn out damper/harmonic pulley
    There is no need to discuss this, you most likely will find the pulley has a crank position sensor next to it,I am not familiar with your set up,if so, you can not use it or start it,with a pulley that wobbles.

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  • 491 Answers

Some engines have a bolt in the center of the crank pulley that may need tightened.
You also could have a harmonic nalancer coming apart

Posted on Oct 14, 2010

  • speedwagen
    speedwagen Oct 14, 2010

    oops bad spelling--"harmonic balancer"

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