12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

problem with front axle

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  #1  
Old 11-23-2009, 10:05 PM
casper83's Avatar
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Default problem with front axle

when i engage 4 wheel drive everything works but the front diff, and i know it has to do with the CAD, but where do i start
 
  #2  
Old 11-24-2009, 09:35 AM
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Check all the vac lines for leaks. If no leaks the CAD unit itself is probably at fault. I would just swap it out for the 4x4 posi lock kit and ditch the vac operated system if it's bad.
 
  #3  
Old 11-24-2009, 11:39 AM
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Yeah, go over your vacume lines with a fine tooth comb.

4x4 Posi-Lok - 4WD Engagement Systems
 
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Old 11-24-2009, 08:41 PM
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EMS lock outs itll fix that problem forever.
 
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