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Cam Sprocket mark off of TDC

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    Cam Sprocket mark off of TDC

    Hey guys doing the HG now and have everything off except the head on the timing belt

    I noticed the crankshaft was on TDC and the Cam Sprocket arrow was "almost" at the mark...it looks like it is on belt tooth off the mark with the crankshaft at TDC

    Can I just remove the belt and rotate the sprocket to line it up and reset the belt it be ok?

    Also, I unbolted the hex bolt for the cam sprocket...how do I get this damn sprocket off?! Anyone have any good ideas for keep the belt on the sprocket?

    Cheers!

    #2
    Originally posted by Disco Benny View Post
    Also, I unbolted the hex bolt for the cam sprocket...how do I get this damn sprocket off?! Anyone have any good ideas for keep the belt on the sprocket?

    Cheers!
    What are you asking in you last sentence?
    As far as adjusting the cam sprocket, just do it after you pull the head. Double check the mark before you re-install.

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      #3
      I wanted to take the cam sprocket off so I can change the seal(s). The manual says I can leave the belt on the sprocket (without removing the timing belt) and take it off provided I keep tension on it to keep the belt on

      Ah ok so I can just move the cam sprocket to the mark and just put the belt on...nice, thanks Kieth!

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        #4
        You are pulling the head the change the head gasket, correct? If so, there is no point in trying to leave the timing belt on the cam sprocket.

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          #5
          Is this for an i motor?

          Comment


            #6
            it's a 325e M20 motor for an 1985...

            Ok, I will just pry the thing off then haha...any good thoughts on how to tighten the tensioner after loosening it? There is a hole for what looks like a hole for a spring bolt but there s not bolt/screw...

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              #7
              I don't know eta motors at all. If it's like the i motor, there is a single bolt that holds it place and spring to set the tension. I'm sure there is a write up in the DIY/FAQ section.

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                #8
                http://www.google.com/imgres?imgurl=...%3Divns&itbs=1

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                  #9
                  Nice, definitely do not have the spring and pin...hmm

                  ...and the HG is not blown at all, water in all cylinders...SOB

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                    #10
                    I'm confused as to what you are going. in the OP you state that you are doing the head gasket. Then you talk about how to get the cam sprocket off w/o removing the belt, and now you state that "and the HG is not blown at all, water in all cylinders...SOB" Except for a case of water ingestion, which probably means bent rods, the only way to get water into the cylinders is from a bad head gasket or a cracked head. In which case the head is going to have to come off, and than means a new timing belt & tensioner. And unless you know that the water pump has at most 60k on, a new water pump.

                    The spring and pin may be missing because someone replaced the pump w/o also replacing the timing belt. It is almost impossible to change the pump with also changing the belt because you have to fight the spring.
                    The car makes it possible, but the driver makes it happen.
                    Jim Levie, Huntsville, AL

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                      #11
                      Originally posted by jlevie View Post
                      I'm confused as to what you are going.
                      After looking up the OP's recent posts I've realized he does NOT know what he's looking at/for and should not be working on any car let alone an e30.

                      E30 M3 / E30 325is / E34 525iT / E34 535i

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                        #12
                        jlevie - yeah it's confusing, as much as it's confusing for me.

                        The PO (not OP) stated having replaced the HG and water pump already within 2 years...which prob means 3 years but whatever.

                        I took the Head off, the HG was not blown or damaged
                        I have water deposits (nasty white bubbly crap) on every intake valve (larger one and no not normal deposits)) on the head hence the "water in every cylinder" quote. Meant combustion chamber my bad!

                        I could not see any cracks in the head, then again I do not have a shop but water in every cylinder is bad

                        All in all the head has to go and i'm not interested in testing something for $200-300 bucks just to have someone tell me it's as good as a bucket of fried dicks so I'm looking at just getting a head that isn't complete crap

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