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Thread: Sand Driving and Terrain Response

  1. 23rd November 2009, 04:10 PM #41
    Noosajim Guest
    Hi guys,

    Sorry to bring this subject up even further but I had some issues yesterday towing our coramal van off the beach.

    We were existing Noosa North Shore at the second cutting, we had lowered tyre presssure to 18psi on Disco and van, tried 1st gear high range extended to offroad suspension dsc off.

    We made it 2/3 rds the way off beach just before cutting starts to climb we felt the disco start to loose power.

    Forst do you think we were using the right gear maybe should have been low ranges 3rd or fourth gear.

    Also when we got bogged we try to use our maxitracks to get out, now max track recomened 1 st gear low range which we tried to no success, so then we treid gravel as discuussed here earlier with still no go.

    Any ideas would be most appreciated.

    PS van weighs 1.7 tonne.

    Thanks for any imput.

    Jim
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  2. 23rd November 2009, 07:47 PM #42
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    Guss
    Guss is offline Fossicker
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    Not sure on the gearing, I would also like to see other thoughts on this.

    How fast were you going? Did you have enough momentum to get you up the track?

    It has been very hot and dry in Qld, I think most 4x4s towing a van would have problems getting off the beach
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  3. 23rd November 2009, 07:56 PM #43
    WhiteD3
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    Quote Originally Posted by Noosajim View Post
    We made it 2/3 rds the way off beach just before cutting starts to climb we felt the disco start to loose power.
    Jim, sounds like the DSC was on. If TR senses a lack of traction it'll drop the revs (amongst other things) to regain traction. Not sure about doing that in high range 1st either.
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  4. 23rd November 2009, 08:40 PM #44
    connock
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    Its not so much the belly in the tyer but the lenght of the print. I have had mine down to 10 psi on occasions , you dont do rim damage in sand its when you come out of the sand you have to slow down and drive accordingly and dont turn sharp . Did you drop the van tyres as well as the car? if not your just draging a anchor. Every pound droped makes a differance! Good to see people droping there tyre pressures and stop scalloping out all the tracks.
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  5. 23rd November 2009, 10:24 PM #45
    CaverD3
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    DSC goes off each time you change the TR setting. If you changed after switching it off it would be on.
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  6. 23rd November 2009, 10:48 PM #46
    Noosajim Guest
    Guys, thanks very much for the replies so far. Just to give a bit more detail, we left the beach doing 40klms/hr as we know otherwise off road height would be adjusted down automatically. TR was set to "Sand". Once we did become bogged, we did drop the tyres down to 12psi. We did check every time to make sure DSC was off. Should we have not used TR in "sand" mode? Thanks in advance for your replies.
    Jim
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  7. 24th November 2009, 09:54 AM #47
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    gghaggis
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    You probably should have used low range, so that the car could maintain torque when required. And you could have tried the hill at 50kph (or just under) - the car will bong at you over 40, but doesn't drop until over 50.

    When we tow the caravan off the beach, I drop to 12 ~ 14 psi instantly - the D3 is a heavy vehicle.

    Finally, "sand" mode is for driving through sand, but it's not very effective once you're stopped. Try "gravel" or "rock crawl" to get going again, especially with maxtrax.

    Cheers,

    Gordon
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  8. 24th November 2009, 09:33 PM #48
    rob4play
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    A quick fix if you need to stay at high suspension mode over 50. Raise manually if needed let it self level if needed due to load etc. turn off and pull the 20amp fuse for the compressor. Sounds the tone tries to lower but cannot. Everything else normal. Worked this out on a Birdsville trip when a large mechanical wheel alignment issue would cause the special programs to turn off and car lower to LA height after approx 2kms. Towing a camper trailor and still wanting to get over Big Red etc I needed a fix other than driving very carefully at LA or waiting for the truck as suggested by roadside assist to take the whole rig to the nearest dealer.
    Once I had the wheel alignment corrected I tried the same and worked fine including special program availability etc. So in this instance in the right mode with DSC off, tyre pressure right and where you maybe just needed that extra momentum at HA this could have worked for you.
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