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1997 Dodge Ram 2500 Question: Truck won't go into 4wheel, front shaft turns but wheels won't engage.

 

Question

crowdung, Watertown, CT, February 05, 2014, 15:10
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Is there a vacuum or electrical connection that tells the hubs to lock?

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  • Answer #1

    pushrod February 05, 2014, 15:27
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     Master

    Vacuum actuated, check for 'any' broken or disconnected vac hoses. The front axle actuator that is mounted on the front diff. has two hoses going to it also. The actuator may be defective but hoses more common problem. The 'most' common cause of this is the transfer case vacuum slector switch, NAPA part # 6002943. Mounted ot top of the transfer case itself. Within these componets, you'll find your trouble!!

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    csubak30, February 05, 2014, 21:34
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     Master

    Agree with pushrod. Follow the hoses, they are the usual culprit.

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    crowdung, February 06, 2014, 18:55
     Rookie

    I kind of did that today, in the dark and 10" snow, so far everthing looks good, any chance it could be a relay module in the fuse box?

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