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2004 disco 4x4

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  #1  
Old 08-24-2008 | 02:30 PM
wesley64's Avatar
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Three Wheeling
Joined: Aug 2008
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Default 2004 disco 4x4

how exactly does the 4x4 system work?on my dodge diesel,i engage either hi or lo range and the hubs are electrically actuated.how does a 2004 disco work with just a hi a neutral and a low?
thanks
brett
 
  #2  
Old 08-24-2008 | 02:46 PM
AK Rover's Avatar
TReK
Joined: Aug 2008
Posts: 2,740
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From: Soldotna, AK
Default RE: 2004 disco 4x4

The Discovery uses a full time four wheel drive system with a center differential to allow for difference in rotation speed of the front and rear drive shafts. The 2004 model brought back the center differential lock that works like a locker in a normal axle forcing the shafts to spin at the same speed increasing traction.
 
  #3  
Old 08-24-2008 | 02:46 PM
jdelp's Avatar
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Default RE: 2004 disco 4x4

All disco's are full time 4x4, no locking hubs. I've gotan '04, which is when they brought back the center locking diff (locks front and rear drive shafts together). So, you got hi for everyday driving, low is for off-road < 10mph and in either in the '04 you can pull the lever to the left to lock the diff.
 
  #4  
Old 08-24-2008 | 11:22 PM
Spike555's Avatar
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Joined: Jun 2007
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From: Grand Rapids MI
Default RE: 2004 disco 4x4

Your Dodge is part time 4 wheel drive, that is why it has the locking front hubs.
With the hubs unlocked the front wheels "free wheel", meaning that they just coast.
In a full time four wheel drive all four wheels are always under power.
Full time 4x4 uses gears, all wheel drive uses clutches, part time 4x4 uses a combination of the two.
 
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