Clutch bellcrank to push rod attaching bolt - NCRS Discussion Boards

Clutch bellcrank to push rod attaching bolt

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  • David H.
    Expired
    • November 10, 2009
    • 777

    Clutch bellcrank to push rod attaching bolt

    Now that I have the clutch bellcrank to push rod bushing in correctly and install the attaching bolt, I have a 3/16" gap when I tighten things down. This allows the bolt to move back and forth a little bit.
    Is this normal or should this assembly tighten up on the rubber bushing?
    Attached Files
  • Dan D.
    Extremely Frequent Poster
    • November 4, 2008
    • 1323

    #2
    Re: Clutch bellcrank to push rod attaching bolt

    Hi Dave, Mine has about .060 clearance. It looks like there is a gap between your flat washer and the lock washer. That doesn't look right. By the way I was confused in your previous post on the bushing - you are right - sorry.

    Also, don't be imitated with that Godzilla spring. Its not anywhere as bad as it looks, or that you may have read. The recent post that references the article by "rarecorvettes" is right on. Only it does not have to be as elaborate as he made it. I made a cheap and dirty one in about 1/2 Hr. and it worked like a breeze. Will try and post pics of it for you. Good luck. -Dan-

    Comment

    • David H.
      Expired
      • November 10, 2009
      • 777

      #3
      Re: Clutch bellcrank to push rod attaching bolt

      Here's a better picture with the nut tightened. You can see the small gap under the head of the bolt. I'm not impressed with the strength of this bolt against the leverage of the clutch pedal. Seems pretty weak at the point of where the push rod connects. And with this gap the bolt can move back and forth about 3/16". That would make it even more apt to be weak here.
      Attached Files

      Comment

      • John F.
        Extremely Frequent Poster
        • March 23, 2008
        • 2396

        #4
        Re: Clutch bellcrank to push rod attaching bolt

        Her is mine. Never been off the car. Not much play in it, but the dirt and grime probably hold it together.
        Attached Files

        Comment

        • David H.
          Expired
          • November 10, 2009
          • 777

          #5
          Re: Clutch bellcrank to push rod attaching bolt

          John, looks to me like there is a nut being used as a spacer under the head of the bolt on yours. Am I correct?

          Comment

          • John F.
            Extremely Frequent Poster
            • March 23, 2008
            • 2396

            #6
            Re: Clutch bellcrank to push rod attaching bolt

            David, It is the rubber bushing starting to come apart.

            Comment

            • Kenneth F.
              Very Frequent User
              • September 30, 1988
              • 282

              #7
              Re: Clutch bellcrank to push rod attaching bolt

              John, Which way is the shoulder on your bushing facing?

              The Assembly Instruction Manual helped me with the installation of the large spring.

              Ken

              Comment

              • John F.
                Extremely Frequent Poster
                • March 23, 2008
                • 2396

                #8
                Re: Clutch bellcrank to push rod attaching bolt

                As far as I can tell, the head of the bushing is toward the motor. AIM is not much help. There is a pretty good picture on the CC website.

                Comment

                • David H.
                  Expired
                  • November 10, 2009
                  • 777

                  #9
                  Re: Clutch bellcrank to push rod attaching bolt

                  Ken, from much investigating and calls to both CC and Paragon I am convinced that the shoulder of the bushing goes in from the wheel side of the opening in the z-bar. (see other posts on this) The bolt then goes in from the engine side so the nut and washers are on the wheel side.
                  However, I am using both NOS bushing and bolt and I still have more slop in the assembly than I think is correct. (about 3/16") I can move the bolt back and forth in the bushing side to side. Seems to me it should be tighter than that. I would think a little bit of slop would be appropriate. Maybe 1/16"? I would not think it should be tight on the rubber ends of the bushing. What do you think?

                  Comment

                  • Kenneth F.
                    Very Frequent User
                    • September 30, 1988
                    • 282

                    #10
                    Re: Clutch bellcrank to push rod attaching bolt

                    David, The end play of my shoulder bolt is about 3/32." C/C is great about supplying dimensions of their parts. Perhaps you could compare their shoulder bolt and bushing dimensions with what you are using. The shoulder on my new bushing is on the engine side. I believe that was the orientation of my old bushing.

                    Ken

                    Comment

                    • Dan D.
                      Extremely Frequent Poster
                      • November 4, 2008
                      • 1323

                      #11
                      Re: Clutch bellcrank to push rod attaching bolt

                      Dave, I just measured mine with a feeler gauge and is .060. The reason I am posting this is because mine is all new with C-C parts. And I mean ALL new parts - everything. My car was originally PG and was converted to T10 many years ago, and the clutch linkage was cobbed in 100% non-correct, so I replaced everything, as nothing was correct and/or any good. If you are seeing that much end play something must be worn. But in this case the C-C repop parts appear to be correct and all went together good. Can't say that about most aftermarket stuff. -Dan-

                      Comment

                      • David H.
                        Expired
                        • November 10, 2009
                        • 777

                        #12
                        Re: Clutch bellcrank to push rod attaching bolt

                        I'm not really sure that the orientation of the bushing really matters on this to be honest with you. I think it could work either way. My understanding is that there is a slight clearance between the rubber end of the bushing and the push rod so it sort of floats in there. I just know that CC and Paragon told me they put them in from the wheel side. I would really like to know how the factory put them in but no one has piped in to say for sure and I haven't seen a really good exploded view of the assembly that shows the bushing clearly as to the orientation of it when installed. If anyone has one I would love to see it. Otherwise mine is going in from the wheel side. My buddies '61 is done from the engine side and is destroyed already. I dont know if this is what caused it to fail or not but....
                        Dan, my assembly was junk also when I took it apart so I have collected NOS parts from ebay to rebuild it. Everything is new old parts including the bushing and bolt and the z-bar. That is why the large clearance surprises me.
                        I'm sorry if I am prolonging this too much but it has really gotten my interest to find out which direction the factory did it or if it didn't matter. I want a definative answer from somewhere.

                        Comment

                        • John F.
                          Extremely Frequent Poster
                          • March 23, 2008
                          • 2396

                          #13
                          Re: Clutch bellcrank to push rod attaching bolt

                          Go to CC website and enter "clutch rod bushing" and model year 1962. Click on the picture of the bushing. The view looks like the bushing cap is on the inside toward the engine to me.

                          Comment

                          • Dan D.
                            Extremely Frequent Poster
                            • November 4, 2008
                            • 1323

                            #14
                            Re: Clutch bellcrank to push rod attaching bolt

                            Dave, if you want measure your parts and I will do the same. The length of the bolt shoulder, the width of the rubber bushing, thickness of the z-bar. We'll see if we can identify what is different. This is not exactly rocket science you know. -Dan-

                            Comment

                            • Jerry W.
                              Very Frequent User
                              • January 26, 2009
                              • 588

                              #15
                              Re: Clutch bellcrank to push rod attaching bolt

                              David....Could it be that the hole in your push rod has worn to a larger diameter ( without you knowing it ) and it rides on the larger bushing support journal of the shouldered bolt instead of the 1/4 threaded journal of the shouldered bolt.

                              Comment

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