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Drive Shaft Question 619mm vs 622mm

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  • Drive Shaft Question 619mm vs 622mm

    Hi all,
    My Insignia A facelift, B20DTH, F40 FWD, is having a very noticeable vibration (almost shaking) at speeds around 50-85mph.

    My mechanic is suspecting drive shaft's are the problem, but when searching fort parts we found that for my chassis number there are two (2) drive shafts available. One's are 619mm and the other 622mm.

    I was wondering what's the difference between the 619mm and 622mm drive shafts, do they both fit with no problems, are them the same for both sides, can I order 619mm ones being way cheaper.

    Thank you in advance,

  • #2
    3mm.......

    Comment


    • #3
      Originally posted by .R.B.H. View Post
      3mm.......
      Yes!....but is that to much to make them non compatible?

      Comment


      • #4
        Originally posted by Rinor View Post

        Yes!....but is that to much to make them non compatible?
        Yes.
        you need to put the correct size on......but your mechanic SUSPECTS its the driveshafts......he only SUSPECTS?

        Hasn't he checked?
        How do you know your tyres dont need rebalancing?
        Or maybe you have a bulge in a tyre?
        Or maybe you need a new steering rack?

        SUSPECTING doesnt tell you whats wrong with the car.....checking it for a fault will.

        Comment


        • #5
          Originally posted by .R.B.H. View Post

          Yes.
          you need to put the correct size on......but your mechanic SUSPECTS its the driveshafts......he only SUSPECTS?

          Hasn't he checked?
          How do you know your tyres dont need rebalancing?
          Or maybe you have a bulge in a tyre?
          Or maybe you need a new steering rack?

          SUSPECTING doesnt tell you whats wrong with the car.....checking it for a fault will.
          The tyres are correctly balanced, and the same vibration happened on summer 19" tires and also winter 16" set. Also vibration only happens on load while slightly depressing throttle and stops when coastin.

          Of course I want to get the correct size/part, but when searching parts with my VIN number, both sizes show as correct for my car, therefore I'm asking if that's true and can I get each one of them?

          Comment


          • #6
            Originally posted by Rinor View Post

            The tyres are correctly balanced, and the same vibration happened on summer 19" tires and also winter 16" set. Also vibration only happens on load while slightly depressing throttle and stops when coastin.

            Of course I want to get the correct size/part, but when searching parts with my VIN number, both sizes show as correct for my car, therefore I'm asking if that's true and can I get each one of them?
            So, you're just gonna go and buy driveshafts without knowing its not balancing, bulges or a rack?

            Just because a mechanic SUSPECTS its the driveshafts????
            Good luck and knock yerself out son......

            Comment


            • #7
              Originally posted by .R.B.H. View Post

              So, you're just gonna go and buy driveshafts without knowing its not balancing, bulges or a rack?

              Just because a mechanic SUSPECTS its the driveshafts????
              Good luck and knock yerself out son......
              I just wanted to keep thread short and simple, of corse I checked tyres, of corse we inspected the car and checked the bearings, engine mounts, gearbox mounts etc etc.

              Just wanted to know if 619mm drive shafts are interchangable with 622mm and will they fit on my car?

              Comment


              • #8
                Hi.
                I think any of them is suitable for your car. On Autodoc site, for my car which is the same, the total length varies from 615 to 622mm. But it' the total length, including the threads and shaft that goes into the gearbox, which can differ from a brand to another.

                Comment


                • #9
                  Originally posted by Formalhaut View Post
                  Hi.
                  I think any of them is suitable for your car. On Autodoc site, for my car which is the same, the total length varies from 615 to 622mm. But it' the total length, including the threads and shaft that goes into the gearbox, which can differ from a brand to another.
                  Thanks alot, I also noticed on "opel oem" pre facelift A20DTH F40 require part number 13348258 which vary from 615mm to 620mm, but B20DTH F40 have part number 13348259 with length of 622mm.

                  Being that both engines use same F40 gearbox I was wondering if 619mm drive shafts would fit with no problem.

                  Comment


                  • #10
                    My way of thinking is .if there are 2 different length driveshafts for your car then there is a valid reason why .
                    You have to remember that with every movement of the universal joints either lateral or vertical.the whole coupling is being put under stress and if you have a driveshaft that's 3 mm shorter than design then that's going to promote excessive wear and it will start to compromise the integrity of the universal joints.and pull them apart.
                    ​​​​​​maybe not today or next year but it will accelerate the wear and cause premature wear . and failure.
                    You proceed at your own cost.
                    Don't go presuming that measurements are just fudge figures.
                    Also don't forget that the Right hand one has a bearing mounting.
                    That's a 2 part shaft .
                    Yes it maybe expensive but you have to be 100% certain it's the shaft.
                    If your mechanic is 100% certain then get him to sign a disclaimer stating that if the shaft is not at fault.then he pays for the shaft to be removed and the old one put back on .
                    If he bulks then he himself is not 100 % certain.
                    A question.can you drive through the vibration?
                    At what speed does it stop vibrating?
                    Has he tried putting a wheel weight on the shaft to see if it makes it worse or better?
                    ​​​​​​​


                    .K.M.P.C.U
                    YEEEEEEEEHAAAAAAAAA

                    Comment


                    • #11
                      Originally posted by lizzard-t View Post
                      My way of thinking is .if there are 2 different length driveshafts for your car then there is a valid reason why .
                      You have to remember that with every movement of the universal joints either lateral or vertical.the whole coupling is being put under stress and if you have a driveshaft that's 3 mm shorter than design then that's going to promote excessive wear and it will start to compromise the integrity of the universal joints.and pull them apart.
                      ​​​​​​maybe not today or next year but it will accelerate the wear and cause premature wear . and failure.
                      You proceed at your own cost.
                      Don't go presuming that measurements are just fudge figures.
                      Also don't forget that the Right hand one has a bearing mounting.
                      That's a 2 part shaft .
                      Yes it maybe expensive but you have to be 100% certain it's the shaft.
                      If your mechanic is 100% certain then get him to sign a disclaimer stating that if the shaft is not at fault.then he pays for the shaft to be removed and the old one put back on .
                      If he bulks then he himself is not 100 % certain.
                      A question.can you drive through the vibration?
                      At what speed does it stop vibrating?
                      Has he tried putting a wheel weight on the shaft to see if it makes it worse or better?
                      ​​​​​​​
                      I service my car at an Opel specialist who should have the necessary experience and expertise to gauge what's wrong, besides driving and checking other parts as I described above we did not put wheights as he concluded that it must be drive shafts
                      Anyhow I discussed with them that if the drive shafts not the problem well take them off and pay nothing.

                      As for questions, I can drive through vibrations, they occur between 50 mph and 90 mph under 50 and over 90 it's fine. And also the vibrations are more noticeable on inclines like holding 60 on slight incline on highway when you just keep foot on throttle. In any case when stepping of accelerator theres no vibration.


                      ​​​​​

                      Comment

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