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  1. #1
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    Default Ford bantam 1600 vibration gearbox??

    Hello guys

    hope you are all well and safe

    i need assistance in the following problem i have.

    vehicle is a ford bantam 2007 1600i 5 speed, 360k on odo.

    we have a vibration/ clicking/ clucking "not cv joints clicking" that is getting worse, over time and we need to get it sorted.
    it began with a slight vibration when turning to the left under power.

    my son drives it daily as a service vehicle, so long distances is covered.
    the vibration has become worse, so we have done a few things to exclude possibilities.

    new front shocks, and shock mount rubbers.
    new tie rod ends and "ball joints on lower control arms.
    the right outer cv joints is new

    the lower control arms bushes are still ok, the vehicle drives in a straight line and does not pull to either side.
    wheel bearings are still good, no play.
    the cvs, do not click/ clack on turns, they are still good.
    gearbox is not leaking oil and oil level is correct so it did not run without oil.
    also no gears are scratching, jumping out of gear or any gearbox problems no winding bearings etc, it is as if gearbox is 100%

    i was advised that the inner cv's could cause this vibration as outer cv's will not do it.

    so we checked them out, inner cv bearings are still good and their housings are still smooth "these inner cv's are 3x bearings running in a "tube" if i could explain it that way, its not a fixed inner universal type.

    so we even took my other bantam side shaft with outer cv joint and fitted it to the troublesome vehicle.
    the vibration/ clicking/ clucking is still present.

    so the vibration/ clicking clucking is the following:
    when under torque, one can clearly feel it driving in a straight line.
    when you free wheel there is no vibration at all, no pulling to the sides, nothing.

    so i did more tests.

    when driving in circles to the left " doughnuts " the vibration is clear like a pulsing effect "right shaft working as it has the longest distance to travel.
    when driving in circles to the right, there is no vibration/ clicking/ clanking.

    also, when driving crossing lanes "like swerving from lane to lane, under power," swerving from the right lane to the left lane, the right side would have it under power but nothing on the left side "swerving from the left lane to the right lane".

    so to me it is clear, that the problem is on the right hand side shaft when it is under torque.

    so, i then placed the vehicle in reverse, hand brake up, i then reversed with speed up hill, and no clicking/ clacking sound, no vibration.

    this is leaving me to believe that the side shaft gear on the right side might have a damaged gear tooth.

    the reason is the the vibration/ clicking clacking is only present when turning to the left, meaning the right side shaft is driving the vehicle.

    would you guys agree with it.
    what else would cause such a pulsing vibration?

    any advise is welcomed, baie dankie.'

  2. #2
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    Default Re: Ford bantam 1600 vibration gearbox??

    Good Morning

    Is the BOX quiet when the car idles in neutral? No rumbling sounds, etc?

    T

  3. #3
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    Default Re: Ford bantam 1600 vibration gearbox??

    Well, firstly check if it is the gearbox.

    I would lift the front and put it on stands. Take the wheels off.

    Start and rev the engine to the revs where you have the problems.
    Keep in neutral and depress the clutch. This will disengage the gearbox.
    Release the clutch. This will spin the cluster in the gearbox.
    Now engage gears, one at a time and do the same exercise.

    The idea is to keep the wheels off. They are heavy and will easily overshadow the real problem.
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  4. #4
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    Default Re: Ford bantam 1600 vibration gearbox??

    yip, dead quiet, no noise at all, no grinding, nothing.

    Quote Originally Posted by Swiegie1 View Post
    Good Morning

    Is the BOX quiet when the car idles in neutral? No rumbling sounds, etc?

    T

  5. #5
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    Default Re: Ford bantam 1600 vibration gearbox??

    Quote Originally Posted by Henris View Post
    Well, firstly check if it is the gearbox.

    I would lift the front and put it on stands. Take the wheels off.

    Start and rev the engine to the revs where you have the problems.
    Keep in neutral and depress the clutch. This will disengage the gearbox.
    Release the clutch. This will spin the cluster in the gearbox.
    Now engage gears, one at a time and do the same exercise.

    The idea is to keep the wheels off. They are heavy and will easily overshadow the real problem.
    Hi Mnr.

    we also did nearly the same thing.

    we would jack up the front, start the engine and shift through all of the gears.
    even revving up to certain rpms.
    the side shafts do seem to run true etc.

    while running in gear, we would start to apply breaks as the one wheel would stop turning.
    or we would hold the one wheel, place it in gear and let the other wheel start to spin.

    and vice versa.

    one would get the impression that the right side shaft does not run smooth, net soos haak plekke in hom.

    this is why we have a conundrum, we could change the left side shaft with cv, but i think that would be of no use.

    its just, that something is saying, that not the crown wheel, but rather that the right side shaft gear has a damaged tooth, and when under load on that side, the damaged tooth is feel able.
    it is strange that we have no oil leaks on the side shafts, one would have expected it.

    we will jack it all up, and remove the wheels.
    then run it and see how it goes.

    we do not want to travel for work with it to joburg or pta.

    because if it is the gearbox and it breaks, then it will be roll back time.
    so we will try and sort it out before travelling far.

    thanks for the advise so far.

  6. #6
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    Default Re: Ford bantam 1600 vibration gearbox??

    I have a 2008 model and have the same issue.

    I had all 4 CV's changed and it was gone for a while. Now it is starting again. But I remember when I had it done one guy told me the one part they have is not exactly the correct one but 'ons sal 'n plan maak'....I guess that plan has expired now?
    I have met some crazy people. They have made me their leader...

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  7. #7
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    Default Re: Ford bantam 1600 vibration gearbox??

    Another way to diagnose inner CV's: Inner CV's will vibrate under torque. So if you accelerate it will start vibrating and when you leave the accelerator it will stop.

    What I have found on some vehicles is a 'bent hub'

    When you have the wheels off and gearbox engaged. View the disc from the front and see if there is any side movement, while it is rotating.

    Those Bantam also have a nasty habit of wearing out the steering knuckle where the balljoints insert. Ball joints might therefore be new and still have movement.

    You might also check if there is any up and down movement if you try to wiggle the inner CV housing. That would be in the gearbox.

    I have a suspension shop in Kuilsriver, and would be happy to help try and diagnose, if you are ever in this area...
    2009 Corsa Utility 1.7Dti (Business bakkie)
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  8. #8
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    Default Re: Ford bantam 1600 vibration gearbox??

    thanks, we will look into it.

    last thing we want to do is remove the gearbox and "they repair it" and the problem persists.

    so we just want to make sure, we have it dialed in.

    this is still a gamble with identification.
    but we will get there.

    it just a process of elimination, its only costing us some time, and not a money exercise due to a service provider trying to play a guessing game.

  9. #9
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    Default Re: Ford bantam 1600 vibration gearbox??

    so, just to update you guys.

    the left side inner cv joint was mike tango.

    so its running like a champ again without any vibration.

    seems like we got it all wrong, which side it actually was.

    my few brain cells tells me that, when turning in a circle, that the outer wheel would have traction as it is running the furthest distance, and that the inner wheel would just tag along.

    is this the norm?

    that made the searching point/ place different from the outlook.

    so please school me here.

    dankie manne!!!!

  10. #10
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    Default Re: Ford bantam 1600 vibration gearbox??

    Quote Originally Posted by willem wikkel spies View Post
    ............
    my few brain cells tells me that, when turning in a circle, that the outer wheel would have traction as it is running the furthest distance, and that the inner wheel would just tag along.

    is this the norm?

    that made the searching point/ place different from the outlook.

    so please school me here.

    dankie manne!!!!
    That bakkie runs an open diff. Meaning that it won't discriminate between the 2 drive shafts. When you put the power down, it will be to both wheels. But if 1 wheel is in mud, that one can't put down the same torque as it's brother and will loose traction.

    In the same way, when you drive in a circle, they will both deliver traction, because the diff will split the torque. The one shaft will spin more than the other, but the spider gears will balance that.

    Plenty videos on youtube showing how a diff works. Might be worth your while to check them out.
    Last edited by Henris; 2021/05/31 at 03:30 PM.
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  11. #11
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    Default Re: Ford bantam 1600 vibration gearbox??

    dankie mnr.

    yip have checked youtube videos.

    but this gearbox will slip, what i mean, if one wheel is in the air, and you place it in gear, the wheel in the air, will start spinning.
    and so you can change gears all the way up to 5th and down again all the while, while you are standing still.

    so the one with the less traction is spinning.

    now when turning in circles, the the spider gears, will turn at different speeds.

    i just thought that, the one traveling the furthest under power will be the drive wheel "shaft" as it is running the longest distance


    maar duidelik was ek verkeerd

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