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Thread: 2.0l cam timing

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    Exclamation 2.0l cam timing

    I have a 2.0l ecotec in my 2003 Saab 9-3 that had the timing chain break. Looking for R&R instructions & cam timing marks. The cam sprockets have no marks or key way.

    HELP

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    Chapter 6 in the LSJ build book has timing chain info that might help
    http://www.gmtunersource.com/media/r...LSJ_Chap_6.pdf

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    Timing

    bolus,

    Thanks fot the article, I had all ready seen this. The problem is the 2.0L Saab cam gears don't have the diamond or the triangle on them, and they are not keyed so you can put them on any way. Thats my dilema.

    Chain does have the 3 colored links though.

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    I'll check my GM service manual DVD tonight. It does not include Saab though but it really should be the same internals on the engine. What's the model of that engine? LK9?

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    I dont have the Saab info so best I can do is send you a PDF of the timing chain installation from the service manual for the cobalt. PM me your email address and I'll send it to you

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    Here is the skinny on the Saab motor as I have timed a few at work.
    You need the Saab special took that goes in place of the two front cam bearing caps and holds the cams in the correct position. They are anodized blue aluminum pieces from Kent Moore. I can pull the tool number tomorrow at work.
    You set cylinder #1 to TDC on the compression stroke, and install these bearing caps to where the cam lobes fit inside the caps. This times the cams to the TDC compression stroke of cylinder #1. You then install the chain and you are good to go.
    You are kind of SOH unless you get these cam caps OR you get a hold of the cam specs for the cams and do it the old fashioned way with a dial indicator and degree wheel. You could borrow them from a technician who has access if you get real friendly.
    1988 Pontiac Fiero
    2.2L turbocharged ECOtec/5 speed Getrag swap
    Megasquirt-2 ECU tuned by yours truly
    400bhp goal

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