stopping wheel spin when stuck

offroadmad · Aug 4, 2012

heres one for you guys - recently did a recovery training course & the guy training us was also a 4 x 4 tutor - he told me that if yur stuck in a disco 1 & you lightly dab the brakes it helps stop the one wheel spinning syndrome which they have & says thats how the traction control works on the newer discos ( by using the abs to stop the wheel spin ) - have yet to try it but it makes sense - does this actually work ???

Ahaggar · Aug 4, 2012

It works. is well knows by older drivers here in the mountains because it helps a bit on every old car.

jamesmartin · Aug 4, 2012

except that t/c works like fiddle brakes and only applies to stopping spinning wheel so ensuring other has torque and turns instead of standing still ,whereas applying brakes will stop both wheels ,judical use of torque and brakes can help if used with experience but his explanation was bollocks

offroadmad · Aug 4, 2012

cheers for the reply - guess the newer ones use the abs via the wheel speed sensors to pick up the wheel spin - clever that !

offroadmad · Aug 4, 2012

so if thats the case has anyone fitted that system to a disco 1 ?

jamesmartin · Aug 4, 2012

offroadmad said:
cheers for the reply - guess the newer ones use the abs via the wheel speed sensors to pick up the wheel spin - clever that !

yes ,but traction is more complicated ,t/c works on noticing wheel spin but by then you might have lost some momentum ,hence physical diif lock been favourable

offroadmad · Aug 4, 2012

ah i see cheers for that info james, but it would be a shed loads better off road than the sytem the disco 1 has standard surely & if you could buy an accident damaged disco 2 with all the bits on cheaper than two diffs it could be a possibility - are they interchangable ??
id buy a disco 2 but cant part with the D1 i have

The Mad Hat Man · Aug 4, 2012

jamesmartin said:
yes ,but traction is more complicated ,t/c works on noticing wheel spin but by then you might have lost some momentum ,hence physical diif lock been favourable

Although what you say is correct, modern TCs operate in milliseconds, reduci g lost momentum to a negligible amount.

DJ Xan · Aug 4, 2012

offroadmad said:
heres one for you guys - recently did a recovery training course & the guy training us was also a 4 x 4 tutor - he told me that if yur stuck in a disco 1 & you lightly dab the brakes it helps stop the one wheel spinning syndrome which they have & says thats how the traction control works on the newer discos ( by using the abs to stop the wheel spin ) - have yet to try it but it makes sense - does this actually work ???

Yes it works a treat.

Krazykev · Aug 4, 2012

It sounds to me as though you're off road instructor was talking sense. By loading up a wheel you can spread drive through to another wheel or wheels both in on road & off road vehicles however if you use it at low speed in a 4x4 then you get stuck. Try it on at high speed in an Impreza & you're either out of pocket, in hospital or dead.

The danger is only knowing the theory.

thebiglad · Aug 4, 2012

offroadmad said:
heres one for you guys - recently did a recovery training course & the guy training us was also a 4 x 4 tutor - he told me that if yur stuck in a disco 1 & you lightly dab the brakes it helps stop the one wheel spinning syndrome which they have & says thats how the traction control works on the newer discos ( by using the abs to stop the wheel spin ) - have yet to try it but it makes sense - does this actually work ???

Using the word 'dab' implies a quick prod and release, I prefer lightly loading the brake pedal until traction is re-established.

The set-up on std DII's is traction control only - no centre difflock - this works well under normal circumstance but can let you down on muddy tracks where all four wheels are speeding, so the cars electronics thinks you are actually moving so no kicking-in of the TC.

The best set-up without going money daft, is on the pre facelift DII where the CDL guts are in the transfer box, you buy and connect a cable to operate the CDL and also have the TC in addition.

Also remember that TC works via the abs brake system, so if your discs and pads are worn out you won't have effective traction control, abs or hill decent facilities.

Dave

stopping wheel spin when stuck

offroadmad

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Ahaggar

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jamesmartin

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offroadmad

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offroadmad

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jamesmartin

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offroadmad

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The Mad Hat Man

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DJ Xan

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Krazykev

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thebiglad

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