Question about 1991 Oldsmobile Silhouette

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Need to know where the timing marks are on cam and cranck for 1991 oldsmobile sillouetechanging the timing chain.how do i line up the marks?

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  • Anonymous Jul 23, 2010

    can you tell me where there at?

  • Anonymous Jul 23, 2010

    it still dosent tell me where the go on the cam

  • Anonymous Jul 23, 2010

    where is bottom dead center on the cam?

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Finding the timing marks is simple, it is an impression (a small arrow) on both the crank and the cam. As for the exact time set, I would refer to the owner's manual but if you are doing it off the cuff pull the number one piston top dead center, line up the rotor button with the number one piston and set crank at top dead center and cam at bottom dead center. This will be a good starting point, but the owner's manual will give you more exact instructions.

Posted on Jul 23, 2010

  • Anonymous Jul 24, 2010

    If you look at the front of the cam you will see an impression, it should be an arrow pressed into the metal pointing straight down at 6 o'clock - and that should be bottom dead center. It may be a little hard to see, but it is there. Be sure that you have the timing cover off.

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