sierrafery
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not huge but the engine runs much smoother
Disco II diff lock
- Thread starter James R
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not huge but the engine runs much smoother
Well I had the first opportunity to get the Disco 2 up into the snow the other day and I'm not sure if the TC was working or not...when I put it in positions which ought to have it kicking in I did get a loud ratcheting noise which I assume was the TC trying to work..? but got no light on the dash at any point and could make the car slide as much as I wanted under acceleration...I'll definately be fitting the manual CDL asap and having the TC disabled...only problem is that the new MOT rules I believe require all things like TC to be working if fitted...
Pikey
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jamesmartin
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fit a cdl by all means but why would you want to lose t/c
drewster
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i must be one of the lucky ones then as my td5 es premiun has diff lock and tc so work that out and it is factory
jamesmartin
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why not the 2 go well together .cdl only locks ceter diff you could still lose all drive if a wheel spins on both axles
Mr Noisy
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It was available as an option on the late models, namely ES Premium and Landmark...
drewster
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and its manuel with cruse controle
[quote=redhand But if it's removed it won't be fitted..
Yes but as another member kindly informed me you can't 'remove' the TC as it's part of the ABS system...therefore you can only disable it which I don't think would count as 'not being fitted' when it comes MOT time...that said, I am curious as to how they'll test the TC..? 4x4's have to be taken out on the road for part of the test...will they have a muddy field handy to test the TC..?
Yes but as another member kindly informed me you can't 'remove' the TC as it's part of the ABS system...therefore you can only disable it which I don't think would count as 'not being fitted' when it comes MOT time...that said, I am curious as to how they'll test the TC..? 4x4's have to be taken out on the road for part of the test...will they have a muddy field handy to test the TC..?
The CDL locks all four wheels so the only way you'll get wheels spinning is if all four have no traction...if only one wheel has grip then you can crawl out of most situations...that's the beauty of the manual CDL...you engage it before wheels start to spin unlike TC which only kicks in when you've already lost traction...I'm sure TC is a great thing on a road going situation but IMHO a good off-road car should leave the electronic wizardy behind...
sierrafery
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WRONG... it locks the two propshafts ... to lock the wheels u need axle diff locker... jamesmartin is right
darrenm
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I must be one of the lucky ones as my 2004 Es priumium has it as standard
jamesmartin
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i would think learning how the 4wd system works may help you,then you will see why the 2 together are better than either
Mr Noisy
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TC is a fabulous feature on an off road vehicle. i recently watched a standard defender XS crawl up stanage edge in derbyshire. made it as easily as me with axle lockers.
when there is sufficient grip, TC is a very valuable traction aid.
I stand corrected...that said I'd still have the CDL over the TC...the two together may be advantageous but I think it was a mistake to leave out the CDL in the models like my own 2001...I'm fortunate in that mine has the guts all still there just needing connected...
Mr Noisy
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Its true, they shouldnt have removed the CDL in the off road driver's eyes, but for some reason they did. Probably because most people would never use it and traction control does a better job because traction control finds grip whereas CDL simply sends power to both diffs which in their design send power to wheels without grip.
Maybe they decided that due to TC being fitted they needn't go to the extra expense of fitting CDL to every car, on the whole part id agree with that. Maybe CDL would interfere with TC operation? Perhaps the TC is capable of allowing 1 wheel drive, if CDL was engaged and 3 wheels were spinning, TC would brake three wheels and that would damage the transmission if CDL was engaged.
As far as i can see, the early models were simply using up transfer case internals left over from late model D1 production, typical land rover, and there was no intention to fit CDL.
The late models may have had an adapted version of TC which alters it's parameters when CDL is engaged.
Cheers.
Planny
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When we launched the Disco 2, BMW owned us, I think it may have been a cost cutting exercise, especially as a lot of people would never use it.If you look at any BMW, everything is an optional extra. Ford were the same, Now Tata own us you wouldn't believe how much better the cars are getting.
50 pence
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The D2,s traction controll system is, indeed, very capable, and it would seem that LR thought, ( probably rightly ), that having it on a car that was,nt specifically aimed at " offroading ", would be more than adequate to serve it the car if it DID go offroad.
I dont think that LR used " old stock " of the LT230 transfer boxes on the D2, as thousands of them were fitted to that car up to 2002.
From 2002 on, ( or more accurately the " 2003 " model ), the diff lock function was completely deleted from the D2, apart from a couple of spec level models. ( ES premiums and Adventures ). This is evident from the fact that the gear shift assembly that activated the CDL had the lever mounted centrally in the lever housing, whereas the pre-2002 cars lever was over to the left.
In my experience of the D2 with traction control AND the center diff lock engaged, in many offroad situations, I would have to say that the TWO systems are a great asset to the car.
What you/we are finding now is that the D2 has reached an age where it is becoming affordable enough for many people to buy to use for offroading, and with cars that have been lifted and good tyres fitted, it would seem that all that is missing to make this car even MORE capable offroad, is the center diff lock function.
Del.
I dont think that LR used " old stock " of the LT230 transfer boxes on the D2, as thousands of them were fitted to that car up to 2002.
From 2002 on, ( or more accurately the " 2003 " model ), the diff lock function was completely deleted from the D2, apart from a couple of spec level models. ( ES premiums and Adventures ). This is evident from the fact that the gear shift assembly that activated the CDL had the lever mounted centrally in the lever housing, whereas the pre-2002 cars lever was over to the left.
In my experience of the D2 with traction control AND the center diff lock engaged, in many offroad situations, I would have to say that the TWO systems are a great asset to the car.
What you/we are finding now is that the D2 has reached an age where it is becoming affordable enough for many people to buy to use for offroading, and with cars that have been lifted and good tyres fitted, it would seem that all that is missing to make this car even MORE capable offroad, is the center diff lock function.
Del.
Well I haven't been online for a few days but this thread has become very interesting and informative...it would seem that the general consensus is TC and CDL being the best option...now unfortunately I have to find a new steering box for my D2 the first expensive repair needed since I got it...
the first expensive repair needed since I got it...Similar threads
