yogibear47.lee Posted February 10, 2009 Share Posted February 10, 2009 is my discovery 200 tdi in 4 wheel drive all the time, i thought when you put it in center diff lock it lock the diff in the tranfer box and puts the rear prop into play, but some one said that they are in 4 wheel drive all the time Quote Link to comment Share on other sites More sharing options...
disco_al Posted February 10, 2009 Share Posted February 10, 2009 all land rovers are permament 4wd, except for the series vehicles with the yellow and red knobs. diff lock essentially locks the front and rear props together. Quote Link to comment Share on other sites More sharing options...
sargejnr Posted February 10, 2009 Share Posted February 10, 2009 all land rovers are permament 4wd, except for the series vehicles with the yellow and red knobs.diff lock essentially locks the front and rear props together. yes indeed ur disco is permanant 4wd Quote Link to comment Share on other sites More sharing options...
yogibear47.lee Posted February 10, 2009 Author Share Posted February 10, 2009 so whats the difference when you dont put it in diff lock and you do, so your saying you get power to all the wheels, Quote Link to comment Share on other sites More sharing options...
disco_al Posted February 10, 2009 Share Posted February 10, 2009 diff lock off, front and rear axles are separately powered (if that makes sense), when diff lock is on, front and rear axles are essentially locked together. Quote Link to comment Share on other sites More sharing options...
T1G UP Posted February 10, 2009 Share Posted February 10, 2009 diff lock off, front and rear axles are separately powered (if that makes sense), when diff lock is on, front and rear axles are essentially locked together. as i understand it both axles are driven from the transfer box via an open diff with the facility to lock said diff. LR's have open diffs in the axles so the drive goes to the wheel with the least resistance. So if on wet grass for example the drive could all go to 1 wheel, 1wd. If the centre diff has been locked then there will be drive to 1 wheel per axle, 2wd. It is only when the axles themselves have a locking diff fitted that you get true 4wd. Quote Link to comment Share on other sites More sharing options...
yogibear47.lee Posted February 10, 2009 Author Share Posted February 10, 2009 yer i get you Quote Link to comment Share on other sites More sharing options...
BogMonster Posted February 10, 2009 Share Posted February 10, 2009 ur ? Quote Link to comment Share on other sites More sharing options...
karlo Posted February 10, 2009 Share Posted February 10, 2009 ? In english "your" Quote Link to comment Share on other sites More sharing options...
BogMonster Posted February 10, 2009 Share Posted February 10, 2009 In english "your" Ah, the dying art of English, I remember that http://forums.lr4x4.com/index.php?act=Help...E=01&HID=17 Particularly the bit near the bottom Marcus was pretty much bang on with his explanation of the original question. Quote Link to comment Share on other sites More sharing options...
PaulN Posted February 10, 2009 Share Posted February 10, 2009 as i understand it both axles are driven from the transfer box via an open diff with the facility to lock said diff. LR's have open diffs in the axles so the drive goes to the wheel with the least resistance.So if on wet grass for example the drive could all go to 1 wheel, 1wd. If the centre diff has been locked then there will be drive to 1 wheel per axle, 2wd. It is only when the axles themselves have a locking diff fitted that you get true 4wd. Thank you Marcus - At last I understand why when I'm stuck in a soft rut on one side (down to the axles) I can't get out due to wheel spin on the side that's not stuck! ....and I thought it was a faulty t/box diff lock. Would you mind explaining how you can achieve full 4wd on a Disco? Can you get all axle lockers? Quote Link to comment Share on other sites More sharing options...
BogMonster Posted February 10, 2009 Share Posted February 10, 2009 Yes you can. ARB Air-Lockers are a popular choice and one of the best, but reckon on a nasty hole in £1100 for two diffs and a compressor, not including fitting, and probably double that if you want to beef up halfshafts, CV joints, drive members etc to do a proper job. Torque biasing diffs like a Detroit Truetrac are another option but not a full locker. I believe there's also a Detroit Electrac (?) which is a torque biasing diff which can be electrically locked, but I think you need to be sitting down when you check the price Check out http://www.ashcroft-transmissions.co.uk/category_27.html for the ARBs and the Detroits are elsewhere on Ashcrofts site along with lots of other luvverly expensive things that I'll be spending that lotto win on Quote Link to comment Share on other sites More sharing options...
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