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Thread: In Sydney need advice instability when towing

  1. #1
    Join Date
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    In Sydney need advice instability when towing

    Looking for some advice,
    Have just done Cairns to Sydney with a 3 tonne van on the back MY07 TDV6 Disco, now has 113000klms on it. Pulls like a dream but is definitely not stable on the road, very very susceptible to wind and passing vehicles, the van now has over 130K on it has always been very stable behind both a cruiser and Patrol.
    Using a Mitchell Bros hitch and no WDH, definitely a lot more bouncy but that would be expected what was not expected is the twitchyness and the ducking and diving that it does on any road with and uneven surface or grooves in it.
    I have replaced the front lower arms due to a knock and have had the wheels aligned twice trying to tighten up the steering, it is nothing out of the box without the van either.
    Running OE wranglers on it 18" were new when I bought it at 88000 Kim's, wearing evenly and I would think less than 50% worn. So hoping for 60 or 70k from them.

    Anyone got any suggestions ? Or where do I take it ?

    DD

  2. #2
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    A couple of questions come to my mind ...

    Is your car an airbag model or springs/shocks? You mentioned WDH, and of course if you have the airbag system you don't use them.

    What ball weight has the van got when towed? I suspect it's either far too heavy or too light.

    Regards,

    Les.

  3. #3
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    How many kms on the current shocks? They only last about 60K if doing any work.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa

  4. #4
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    Air suspension and ball weight around 300kgs normally, tried to measure it before we left and got 280 but was doubtfully method, but that is about normall, has been to ;340kgs fully loaded when we lived in it.
    Shockers are original, I am dubious about them that would explain some of the bouncing but not the flightyness,
    Van has always towed fine never been a problem, we bought it new.

    DD

  5. #5
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    Your only two hours drive away from Goulburn, why not come down here and try towing your van with my D3 and see how that goes?

    Mine is set up with a Mitch Hitch as well. My guess is your Wrangler tyres and possibly your shocks are causing your issues.

    Your welcome to stay the night on the property if that makes things easier.

    PM me if you like.
    Cheers,
    Terry

    D1 V8 (Gone)
    D2a HSE V8 (Gone)
    D3 HSE TDV6 (Unfortunately Gone)
    D4 V8

  6. #6
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    It might be weight. My D4 is airbag equipped and how 3.5 tonne horse float causes the rear of the disco to wallow. It's 340kgs. My Toaureg with wdh is smooth with the same load.

    The airbags try to imitate wdh but will never be as smooth for my tow setup.

    LR videos on youtube showing it towing 3.5 tonne, shows the wallowing too....it must be an airbag thing with heavy weight.

    Maybe need to move more weight to the rear....I can't move our horses any further back to help my problem.

    Brett....

  7. #7
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    I would have thought the more weight you put on the rear of the trailer the more it wallows, not less.

    Anyway DD the offer is there.
    Cheers,
    Terry

    D1 V8 (Gone)
    D2a HSE V8 (Gone)
    D3 HSE TDV6 (Unfortunately Gone)
    D4 V8

  8. #8
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    Quote Originally Posted by TerryO View Post
    I would have thought the more weight you put on the rear of the trailer the more it wallows, not less.

    Anyway DD the offer is there.
    Probably does. I was just basing on transferring weight from the hitch away using the wdh on my Touareg which seems to cure it for that car.

    Your offer sounds the best option.

    Brett....

  9. #9
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    Thanks Terry might just do that, we intended taking a week off from baby sitting from the 25th on and heading your way, will contact you if it works out.
    It is not he wallowing that worries me it is the directional instability, and the sever wind affect, something we have not had before with other tow vehicles, is your Disco any less stable than your Touraeg Brett ? Direction wise and does it track in wheel ruts ?
    Camped next to a guy with a Touraeg loves it tows a 22 foot van, unfortunately 2 guys with Discos here love the power but won't admit it but I get the feeling not much better than mine, a handful on the road.
    The van does tow well behind other brands of tug, so it is Disco specific, will find out if we get up to Terry's

    DD

  10. #10
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    All be it our van is only 2.5 ton the D3 tows it well. So lets see how it tows your van and then may be fit my rims and tyres to your D3 and then see now your D3 handles with different tyres.
    Cheers,
    Terry

    D1 V8 (Gone)
    D2a HSE V8 (Gone)
    D3 HSE TDV6 (Unfortunately Gone)
    D4 V8

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