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no pressure in clutch

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    no pressure in clutch

    i have a 90 cb7 i replaced the clutch,pressure plate,master,and slave an still got no pressure and i bleed it for maddd long can some1 help

    #2
    I'm having the same issue. It could be due to a faulty cylinder, or improper installation. Have you bled it to the point of having no air bubbles in the line?






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      #3
      yea i bleed it for four hours. i get a lil pressure but not enough to put the car in gear an i get no bubbles

      did u fix urs

      Comment


        #4
        That's EXACTLY where I'm at!

        The only thing I can think of is that perhaps the clutch engagement level needs to be adjusted, where the pedal is connected to the master cylinder...


        I haven't fixed it yet. It's been nearly 2 years... I haven't had time.






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          #5
          yea thats when i got a little pressure when i adjusted it but i ran out of rod lol

          Comment


            #6
            Damn, that was my last hope. I'm going to tow it to a dealership and have one of the guys there use a machine to bleed it... maybe that will work.






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              #7
              actually thers a trick i learned.....
              1. u need a extra guy
              2.1 guy pump clutch
              3.hold the presser plate fork in as hard as u can so when he pushes the clutch down it pushs the slave cylender and ur hand out.
              4.pump 10 times while doing this/\/\
              5.bleed normally
              what this does is it will build presser faster than normal.i got mine done with no air in 10 pumps.
              the reason why it gets so much air in the system is when u change slave/master theres no fluid unless u bench bleed it first.
              and last but not least check for leaks.

              my new turbo build

              Comment


                #8
                Originally posted by 92smokeaccord View Post
                actually thers a trick i learned.....
                1. u need a extra guy
                2.1 guy pump clutch
                3.hold the presser plate fork in as hard as u can so when he pushes the clutch down it pushs the slave cylender and ur hand out.
                4.pump 10 times while doing this/\/\
                5.bleed normally
                what this does is it will build presser faster than normal.i got mine done with no air in 10 pumps.
                the reason why it gets so much air in the system is when u change slave/master theres no fluid unless u bench bleed it first.
                and last but not least check for leaks.
                this work for mine my friend did this one to my car when it didn't had pressure

                Comment


                  #9
                  Seriously, I doubt this is a hydraulic issue at all.

                  Try this:

                  Put the front of the car up safely and then start the engine. Ask a friend to try to put the car in reverse afteryou press sideways on the clutch release fork with a stick or something in the same place and direction where and in which the clutch slave cylinder pushrod pushes. Yell "switch" to him to have him move the gearshift lever to reverse without pressing on the clutch pedal. After he yells "ok", release pressure on the release fork and see if the wheels start to rotate.

                  If he's able to move the gearshift lever into reverese and then the wheels start to move in reverse after you've let go of the release fork, you know that the problem is before the clutch release fork--so the problem is the hydraulics.

                  If he's not able to move the gearshift lever into reverse, then the problem is not with the hydraulics but something at or after the clutch release fork.

                  I say ask him to shift into reverse just in case the car drops--the car will move away from you, not over you.

                  This will test whether the problem is in the hydraulic system per se or in your installation of the clutch components.
                  Last edited by batever; 09-04-2010, 03:50 AM.

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                    #10
                    I'm quite sure that my issue is hydraulic. I changed all the clutch components. This wasn't my first clutch install (though the first time doing the hydraulics), and I had help from half a dozen knowledgeable members of this forum. I have full pedal travel, currently with partial pressure, and I don't believe the release fork is moving at all yet.

                    The procedure that 92smokeaccord suggested is something that my friend's dad did. I haven't tried that yet. It worked on my friend's CB, so maybe it'll work on mine!






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                      #11
                      thanks ill try wat u said 92smoke accord

                      Comment


                        #12
                        Originally posted by deevergote View Post
                        I'm quite sure that my issue is hydraulic. I changed all the clutch components. This wasn't my first clutch install (though the first time doing the hydraulics), and I had help from half a dozen knowledgeable members of this forum. I have full pedal travel, currently with partial pressure, and I don't believe the release fork is moving at all yet.

                        The procedure that 92smokeaccord suggested is something that my friend's dad did. I haven't tried that yet. It worked on my friend's CB, so maybe it'll work on mine!
                        humm full pedal and no clutch..are u sure that the banjo fitting that turns in to the rubber line to the tranny isnt bad.iv seen them get cloged.but also scence u have a full pedal have some one check to see if ur fork is moving when u push the clutch in.if it moves then all u need to do is adjust the pedal presser at the clutch.
                        Originally posted by gscb7 View Post
                        thanks ill try wat u said 92smoke accord
                        if it works let us kno.

                        my new turbo build

                        Comment


                          #13
                          Originally posted by deevergote View Post
                          I'm quite sure that my issue is hydraulic. I changed all the clutch components. This wasn't my first clutch install (though the first time doing the hydraulics), and I had help from half a dozen knowledgeable members of this forum. I have full pedal travel, currently with partial pressure, and I don't believe the release fork is moving at all yet.

                          The procedure that 92smokeaccord suggested is something that my friend's dad did. I haven't tried that yet. It worked on my friend's CB, so maybe it'll work on mine!
                          o i reread what u wrote and thought hard about it...it seems from what ur saying is that ur at the point were u dont have to manuely pull the pedal from the floor but u dont have enough to push the clutch fork out/in.in that case u still have air in the lines u should try what i said above,it will help build more presser than pumping all day long.ur fork should be moving a tiny bit like 1-3mm and slowly sink back in to the slave while the peddle is still pushed in.if it does this then u deffently have air in the system.

                          my new turbo build

                          Comment


                            #14
                            I ran a line directly from the slave bleeder to the master cylinder reservoir, and I'm no longer pumping air through... so if there's air somewhere, the range of motion that I have with my pedal isn't getting it out.






                            Comment


                              #15
                              yea i have a lil pressure just not enough to get into gear so i think ! of my lines could not be sealed the right way so ima replace then an bleed the whole system again and c if that works if not ima leave it for @ months untill i do my swap and have them check it out

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