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Front hubs not engaging in 4wd ?

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  #1  
Old 06-14-2017, 09:14 AM
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High_HP
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Front hubs not engaging in 4wd ?

2006, ESOF. Noticed the front hubs aren't engaging but the transfer case is. What should I check?

Thanks
 
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Old 06-14-2017, 09:49 AM
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Manually lock the hubs and see if it works. If it does, them you may just have a vacuum issue.
 
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Old 06-14-2017, 11:40 AM
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Thanks, I'll inspect the lines. I ordered the 4wd solenoid as well, figured at 130k miles it's a good idea to replace it.
 
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Old 06-15-2017, 01:25 PM
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put a vacuum pump at the nipple on the spindle and see if you can get them to lock. You may have a bad o-ring in the wheel bearing causing a vacuum leak.
 
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