Cracked Navara chassis





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  1. #1
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    Default Cracked Navara chassis

    I am posting this on behalf of Karl dempsey Ireland.

    He cracked his Navara chassis while towing .(To my understanding not a heavy load)

    He wants to know.

    Any know problems with the Navara chassis ?
    If any one else have had the same problem ?
    Is this the reason Nissan changed decreased the tow ball weight on later models ?

    Basically he is looking for as much info as possible.

    I did attached the pictured he e-mailed me this afternoon . I have never seen a chassis snap like this

    Any help appreciated.
    Attached Images Attached Images  

  2. #2
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    Default Scary

    Three things come to mind, none of whic really answers your question.

    1/. There was a manufacturing fault on that vehicle
    2/. It may be a known problem
    3/. Unfortunately I think this is the most likely. Your friend may have underestimated the load or the conditions.

    No help. but scary non the less

  3. #3
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    Could have been in an accident previously. Or something else that hasnt been stated .They can weld that strong today. If factory fault , nows the time for Nissan to react to gain some trust from the public.
    ORA
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    Ian

  4. #4
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    hi, this is karl dempsey ireland, the pick up has never been in an accident as i have had from new and ive never crashed it,
    but i have fitted firestone air bag on the leaf springs.

    as jgoosen said any help.info would be much appreciated

    thanks karl

  5. #5
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    Karl, do you have a standard towbar? Ball weight of trailer towed? weight of trailer towed? load on vehicle ? Hit a hole when towed? if you stayed in the manufacturers spec, Nissan would fix it. IF not, well then......
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  6. #6
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    hi engel, yes i was within all the weights for the year i bought 2006, but the vertical force on ball was dropped on 07 on.from 120kg to 92kg. why was i not inform by nissan that these had changed and also i have looked at 07 model and at this point on the chassis it has been stiffened also leaf springs are stronger

    karl

  7. #7
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    i have had it on a weight bridge to confirm this.

    im off for 2 hours to go to underwater hockey, i belive you south africans are very good at it?

    back soon
    karl

  8. #8
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    the ball weight from 120 to 92 is not a train smash. Go see them and ask for a explanation. I see it has cracked after the blade. Nothing to fix.
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  9. #9
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    Enlarging the photo (unfortunately not very clear) seems to indicate that the bottom of the saddle side weld may have been the initiation point. I suggest an inspection of the weld itself - it may just indicate if an undercut, flash or even poor penetration could be at fault.

  10. #10
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    engel and botswana, do you both belive that this could be fixed by means of WELDING?

  11. #11
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    Looks to me like a stress fracture. It does seem to lead to the weld like Botswana said, but judging by the way its bent tells me its started at the top. Do you do alot of towing?
    I dont see that as a major train smash, bend it back into place, weld it up and stiffen with some plate or channel.

  12. #12
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    Quote Originally Posted by karl dempsey ireland View Post
    engel and botswana, do you both belive that this could be fixed by means of WELDING?
    Yes that is repairable.

    Just some things to bear in mind.

    The plate you use to patch must have no sharp corners. That is where the next crack will run from.
    I would make a long plate that will start way ahead of that crack and it will run untill after that towbar.
    Put holes into the plate so that you can have weld from the center of the plate, straight onto the chassis.
    I would also use a minimum of 8mm plate. Maybe even 10mm. You might want to mount something onto that chassis at some stage. Like recovery hooks.
    Use somebody that can pilot a MIG welder properly.

    Good luck

    PS. I agree with Andre. Both sides need to be done.
    Last edited by Henris; 2009/07/07 at 07:56 AM.
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  13. #13
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    Is it just me, or is that an old crack. Looking at the edges, it's not nice and shiny like a new crack but brown like it's rusted. Maybe the last towed load was just the last straw on the camil's back.

    Yes, it can be fixed (Henris's method) but it will always be in the back of your mind when ever you hitch something up. Also, do both sides while your at it. You never know when the other side is going to do the same - see another thing that's going to be in the back of your mind when ever your towing again.

  14. #14
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    Default

    the other side is cracked aswell

  15. #15
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    I am unsure if I would be spending time considering repairing it! I would be beating a path to the Nissan dealership with a cracked chassis on a vehicle less than three years old!

    This repair idea is moving away from the original threads 'has anyone else experienced this?'. It has already come to light that the later vehicles have been downrated/reinforced, if this is indeed the case then this appears to be a design/manufacturing fault assuming no overloading/misuse ect.

    The owner should not be concerned (at this particular moment with a repair), just get up to Nissan with a hefty bat in the shape of a good lawyer.

    regards

    Dave
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  16. #16
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    Hi. Not with Nissan, but I remembered a similar story from way back - about 2002.

    see http://www.news24.com/News24/South_A...535437,00.html

    also www.my4x4.co.za.

    In this case it was an Isuzu. After much testing and (apparently) some collusion between SABS and GM South Africa (missing reports, etc...) the complainant won the case.

    I agree with Dave, it's going back to the manufacturer.
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  17. #17
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    There is a lawyer on the case as we speak, hopefully it does not take years to sort out!

  18. #18
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    well nissan have finally come back and said its not their problem, so here comes a long fight

  19. #19
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    oh, i can now sell my navara! anyone interested in a 06, 55000 km, yes thats all, grey, leather, elec seats, roof, a/c, sat nav....... top spec in ireland......oh and a snapped chassis......

  20. #20
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    Default Re: Cracked Navara chassis

    Know this is old but what happened in the end.
    Corne

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