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    TDC?

    I know what tdc is but I don't know what to align to what. And by the way i am changing a timing belt. Help me Dr. Phil!

    Dusto
    https://www.youtube.com/channel/UC-h...wE3UqwjjmaTrXg

    #2
    theres marks on the timing cover,cam gear and head. you do have a bentley right?
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      #3
      what mark is on the cam gear?
      and i do have a bentley.
      https://www.youtube.com/channel/UC-h...wE3UqwjjmaTrXg

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        #4
        what mark is on the cam gear?
        and i do have a bentley.
        https://www.youtube.com/channel/UC-h...wE3UqwjjmaTrXg

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          #5
          well im not sure why youre not looking in the bentley if you have 1 but at any rate,,, theres what ill call a "cut" in the outer edge of the cam sprocket. its been 4 years since i played with an m20 but that mark lines up with a mark on the head. i would study the bentley and make sure you have it right. its spelled out very clearly.
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            #6
            TDC: Observe marks on cam gear and crank gear. BOTH must line up! Cam gear rotates 2:1 with the crank.

            Tenured Automotive Service Professional - Avid BMW Enthusiast

            Vapor Honing & E30 ABS Pump Refurbishment Service
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              #7
              I am still blown away at HOW clean that engine is, even the hidden parts

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                #8
                You need to temporarily reinstall the crank pulley and lower timing cover to line up the crank while make sure the cam mark lines up witht eh mark on the head.

                James

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                  #9
                  Originally posted by arsevader
                  You need to temporarily reinstall the crank pulley and lower timing cover to line up the crank while make sure the cam mark lines up witht eh mark on the head.

                  James
                  Why? there are marks on the end of the crank and a notch on the cover there... no need to put the pulley back together.
                  Adam Fogg- '88 M3

                  Common sense- It's the new 'gifted'

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                    #10
                    Originally posted by AdamF 88iS
                    Originally posted by arsevader
                    You need to temporarily reinstall the crank pulley and lower timing cover to line up the crank while make sure the cam mark lines up witht eh mark on the head.

                    James
                    Why? there are marks on the end of the crank and a notch on the cover there... no need to put the pulley back together.
                    Hmm, didn't realize there was a notch on the crank itself. Where is it? On the crank bolt?

                    James

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