Question about 2004 Oldsmobile Alero

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2001 alero new timing chain and coils

Thanks for all the suggestions, I just got some more information that may be helpfull. when the timing chain came off, the exhaust cam shaft was off mark, tried to realign by turning it one complete rotation clock wise until it was back up to mark. when it was turned it sounded like a spring was unwinding in the motor. was it suppose to sound like that? when the cam was turned it would only go one way, was this correct? could this have off set things? if so how should we go about correcting it?

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  • angiebaby075 Jan 31, 2009

    thanks we are really getting some good suggestions, I appriciate everyones help and so do the guys working on the car Im sure. I am sending all this information to them as I get it from you.



    again thanks to all of you

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Hi Angiebaby,

You will have to aligne the crankshaft at TDC =top dead center i.e the piston on # 1 should be on top and the # 4 too i.e.if its a 4 cylinder engine.
If the camshaft doesnt fully turn ...i.e. rotating 360 degrees.. then its the pistons which is obstructing the rotation.....so rotate the crankshat and keep the pistons say half way thn bring the camshaft to its mark ..once done thn you can set the crankshaft to TDC.
you should be ok here !! GOOD-LUCK

Posted on Jan 31, 2009

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