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Thread: Quick question

  1. #1
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    Quick question

    When offroading (i.e. mud and ruts,rock crawling etc) do you have DSC on or off?
    I know it's recommended to be off when on Sand.


    Thanks

    Ivan

  2. #2
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    I switch it off any time 4wding, it's a pain because anytime you switch the engine off or select another terrain setting it turns it back on.

  3. #3
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    Quote Originally Posted by Ivan View Post
    When offroading (i.e. mud and ruts,rock crawling etc) do you have DSC on or off?
    I know it's recommended to be off when on Sand.


    Thanks

    Ivan
    Ivan,

    Always have DSC off when offroad, especially in low range regardless of terrain or TR setting.

    Regards,

    George

  4. #4
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    Same thing with Hill Decent, if you have it in low and then select 1st Gear it rolls down steep hills at about the same low speed as with Hill Decent on yet without any computer braking trickery being used.

    I don't like using brakes on steep down hill sections unless absolutely necessary, I'd rather save them until I really need them.

    cheers,
    Terry
    Cheers,
    Terry

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

  5. #5
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    When off-road, DSC = Off.

    If you're using Terrain Response, Hill Descent Control will be automatically enabled/disabled depending on the mode selected.

    Note: If you turn off DSC, it is never fully off... It just changes the parameters that it works within and sticks it right at the bottom of the list.

    M

  6. #6
    Join Date
    Apr 2011
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    HDC

    Hi Terry, I'm obviously not understanding my Manual ( how best to use HDC ) or your post about it.
    I wonder if you could enlarge on the point you were trying to put across, especially about the selection of gears in both Hi or Low Range?
    It's all good for my education, as I am trying to get my head round to this new aspect to 4WD. I wish to become competent, and have the correct selection when faced with a specific 'Off Road' situation.
    Thanks,
    Don.

  7. #7
    Join Date
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    Hi Don,
    Most of us would recommend either doing a commercial 4WD course or join a 4WD Club as most clubs have driver training included in their membership price. This will teach you a lot of info re gearing selection, tyre pressures and techniques.
    Things have changed quite a lot of the past 10 yrs in how much the 4wd's have changed technologically speaking.
    It used to be that any decent 4wd was a manual and steep downhill descents required either 1st or 2nd low with engine braking doing the work. But now with decent auto box's with lock up on gear selection and hill descent control it's a slightly different story.
    Experience will teach you a lot, I prefer to use the auto box in manual mode with HDC off in most circumstances but there is no set rule. It all depends on the track conditions and surface.
    Rich

  8. #8
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    I have DSC off on the sand or in muddy conditions only.

  9. #9
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    Think about DSC this way....

    If you are going to be in conditions where applying the brakes would be bad, then ensure your DSC is off....'cause that's exactly what it does!

    One poor chap was writing about getting embarrassed in front of his mates when his shiney new D4 couldn't get to the top of a big slippery hill, that required you to go pretty hard. There (if I remember right) was a turn at the top of the hill.

    He'd left his DSC on and just as he hit the turn, the DSC sensed loss of stability and/or traction and/or whatever else triggers it....and applied the brakes.......

    In the end the poor bloke gave up and had to find another way round.

    I almost got stuck in a bog that I'd sunk into, 'cause I changed TC selection and forgot about the DSC coming back on. I was rocking back and forth and was turning the steering wheel, trying to get traction.....just as I got to the top of the hole...the bloody brakes would come on and I'd slide back in.

    Took me a few goes to work out what the problem was....

  10. #10
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    DSC doesn't just use the brakes, it can back off the throttle too.

    Maybe a quick lesson in what DSC actually does:

    DSC = Dynamic Stability Control

    It detects and tries to correct understeer or oversteer. If it detects either, it can use the brakes and/or throttle to bring it back under control.

    So, for example; it's a damp day, you're out for a drive and you're on a long bend. Part way though the bend, you nail the throttle and get a load of understeer... So, DSC is going to respond and bring this all back under control. In fact, in this situation, chances are that DSC will only need to back off the throttle.

    NOTE: Don't forget that DSC can NOT override the rules of physics!

    Thing is, when you're off-road, sometimes you need to give it some 'beans'. With DSC still on, it can sometimes mis-interpret the information it gets and takes action... Hence the option to turn it off.

    When off-road, I tend to find DSC kicking in on the long slippery climbs. The sort of climb where you need lots of momentum, so have to select a high gear and nail it. If DSC is still on, part way up that hill you will loose all power for no reason (other than forgetting to turn off DSC)!!!

    M

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