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Positraction???

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  #1  
Old 07-31-2009 | 04:18 PM
MCKEAG's Avatar
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Three Wheeling
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Default Positraction???

OK, I know this is a dumb question but in order for me to not remain ignorant - I will ask. I have owned a number of 4x4's and now own a 04 Disco. I love it!! I was under the impression that in 4 low I now had posi front and rear unlike other 4x4's where the tires alternate power. I was stuck today and in a deep rut leaning to the drivers side. I was getting zero power to both driver side wheels - whats up. Do I need to upgrade hubs or something to get a more reliable vehicle?? Thanks in advance to any help. Dave
 
  #2  
Old 07-31-2009 | 05:15 PM
Spike555's Avatar
Team Owner
Joined: Jun 2007
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From: Grand Rapids MI
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http://www.youtube.com/watch?v=IngZdOr5YVw
You want a more reliable vehicle?
Reliability and getting stuck are two different things.
https://landroverforums.com/forum/sh...ad.php?t=21328
When you put the transfer case in CDL locked, either low or hi, you lock both driveshafts together, then add the traction control and you are as good as a locked diff.
Positraction, same thing as a diff lock, locks both wheels on the same axle together, they both are spinning at the same speed no matter what, when turning corners this wears out your tires and is hard on the driveline.
So LR uses a open diff, meaning only one wheel on the axle is getting power at a time.
The traction control uses the brakes to stop a wheel from spinning and by doing this it sends the power to the other wheel on the same axle.
So with one wheel in the air, give it some gas and the TC will detect wheel spin, apply the brake using the ABS system and once that wheel stops the other wheel will get the power.
http://www.youtube.com/watch?v=kMg7y...eature=related
Your wheels must spin before the TC will kick in.
http://www.youtube.com/watch?v=y_QPc7nvpGY
http://www.youtube.com/watch?v=jLBg4-dI05A
http://www.youtube.com/watch?v=wGZM1RFdWS0
 
  #3  
Old 07-31-2009 | 07:23 PM
Jupiter Rover's Avatar
Winching
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From: Jupiter, FL
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I don't think you locked our CDL. Lock it next time. It makes a world of difference. I am not exaggerating.
 
  #4  
Old 07-31-2009 | 08:04 PM
MCKEAG's Avatar
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Three Wheeling
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I was locked in because I went through some mud and ruts and sand before the rut that stuck me.It sounds like I need to adjust my driving style to get power to the other wheel - in other words I thought it was an automatic thing. Thanks.
 
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