 | Home > Technical > Traction control no good? |
 
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| totoD110 Member Since: 26 Nov 2008 Location: Manila, Philippines Posts: 86  |
I went to the mountains here in the Philippines and went on mud bath. My front diff was high centered due to wrong selection of line (I’m still a newbie in offroading).
I was trying to back it up since I still got two rear wheels but to no avail...  my friend told me that if I have a rear diff lock I could get out of this situation.. Is it true?
What aggravates the situation was my brand new 9.5xp winch didn’t work because of some loose connections… |
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1st Dec 2010 10:54am |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2605  
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As with any tool, there are situations where they are appropriate and those where they are not: you would not use a chainsaw to dice tomatoes, would you? TC works well, and so do diff-locks, but in some situations, when ur stuck, nothing bar a winch or a Unimog will get you out  |
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1st Dec 2010 11:13am |
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| totoD110 Member Since: 26 Nov 2008 Location: Manila, Philippines Posts: 86 |
 thanks naks! sorry not to mention that I have a brandnew 9.5xp winch sitting on my bumper but the isolation switch of that winch got loose and melted the connector... I tried to direct the wire to the batt buti can only hear the clicking sound of the solenoid but no movement on the drum.. and that worsen my predicament...  |
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1st Dec 2010 12:16pm |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015  
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Mine seems to work the other way round. Yes you need the 7Km/h to initially 'prime' the system......... ABS sensor check. But once off road I find out that the TC kicks in when the vehicle almost comes to a standstill.... if you were doing over about 10Km/h and the TC kicked in you would deffo destroy your drivetrain Glyn  |
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1st Dec 2010 7:16pm |
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039  
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The wheel that has to be slowed down has to turn minimum off 7 km/hr.
If you get crosaxled and you don't have your middle difflock in it can be standing at idle and one or two wheels turning without anything happening. You need to give some throtlle and then the TC cuts in. I hav a slow connection but on youtube there are some nice vids about it. Roel 1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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1st Dec 2010 8:05pm |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015
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I have just checked and they are the other way around: http://www.youtube.com/watch?v=ppCeJ9oVKgY (Discovery but the same system). http://www.youtube.com/watch?v=PMhOhT5nwZk (good old controversial video). In this he puts on a little throttle.... but 1st gear low range you would need lots of revs to get to 7Km/h. I have done slopes where I have just had it on tickover (1100 Anti Stall) and it has kicked in. Just remembered another situation...... last year in about 3-4' snow when the vehicle came stationary I had it in 1st gear low range and left it run on its own (even got out)..... it would creep forward by using the TC...... first time I saw it from the outside of my wagon and could see it applying the brakes to toe different wheels- was cool. Glyn |
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1st Dec 2010 10:29pm |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015
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Here is a better demonstration:
http://www.youtube.com/watch?v=0jhuKLrjJLg&feature=related The defender is moving at walking pace. Glyn |
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1st Dec 2010 10:48pm |
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| totoD110 Member Since: 26 Nov 2008 Location: Manila, Philippines Posts: 86 |
yeah my TC on my panel is lit up. and Im on low with center diff lock engage. still no movement. |
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2nd Dec 2010 1:30am |
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| totoD110 Member Since: 26 Nov 2008 Location: Manila, Philippines Posts: 86 |
I thought that even if my front diff is high centered my rear whell can get me out of it.my four tires looks like a doughnut that time...
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2nd Dec 2010 1:36am |
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039
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I don't know if that video with pulling a truck shows TC working as my 90 does that sometimes too. I mean on a reasonable flat surface one wheel will rotate and then the other on the same axle.
You are right with the Td5 disco's it looks lower than 7 km/hr maybe the 7km/hr comes from the freelander. But at least it shows that you need a little throttle input before TC starts to work. In this video they also mentione TC when he is shaking the Defender, but I don't believe TC cuts in there. As the anti stall on a TD5 isn't as strong as on the Puma. A TD5 will stall when a sudden load is applied. With a Puma the rpm is raised automatically to about 1000 rpm that makes some difference. &feature=related Roel 1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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2nd Dec 2010 12:19pm |
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| double cab happy Member Since: 01 Jun 2009 Location: merseyside Posts: 573  
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speeking as a guy with no TC i would have jacked up one of the front corners (a bottle jack is best) and build up under the raised wheel and reverse off, no problem, saying that if you have the toys you want them to work.
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2nd Dec 2010 1:34pm |
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| mse Member Since: 06 Apr 2008 Location: UK Posts: 5024  
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TC works on wheel differential not a set speed Mike
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2nd Dec 2010 5:27pm |
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