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

4X4

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  #1  
Old 10-14-2009, 07:27 PM
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Hello, OK I need everyone's opinion on a issue I have been having with my 4 wheel drive-when I shift into 4hi it shifts fine into 4 wheel drive but after driving 2-3 miles it shifts out for about 30 seconds and then slams back into 4hi... I have replaced the 4wheel drive actuator and tested the lines for vacuum which I have 28Hg more than enough..I am stumped as to why it would shift in and out of 4 wheel drive any input would be greatly appreciated thanks..
 
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Old 10-14-2009, 07:29 PM
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shift fork in the transfercase
 
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Old 10-14-2009, 07:38 PM
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thanks so what is it doing or not doing and how do I fix it
 
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Old 10-14-2009, 08:03 PM
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its probably worn and needs replaced
 
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Old 10-20-2009, 05:39 PM
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Thanks for the feedback I am in the process of tearing out the CAD system and installing the Posi-Lok system well update when finished and had time to try out which should not be long here in MI
 
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