Question about Ford F-150
Lock in your 4 wheel drive, and get under the truck, and try to manually turn the front drive-shaft. If the drive-shaft spins freely, then your 4x4 is not locking in correctly, and you may need to replace the lockers.
Posted on Nov 15, 2013
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Posted on Jan 02, 2017
look on fire wall pass. side you will see 2 parts with vacume lines attached 99 percent of the time that is what went i had the same problem
Posted on Feb 01, 2009
change actuator in front hub water gets in there freezez and ruber seal rips part only 120.00 bucks not hard to change beat upper ball joint take of spindle nut think it was 5/8 3 bolts in back should fall out
Posted on Jan 21, 2009
Check the switch on the transfercase remove the vacume lines if there is oil in them the switch has to be replaced and the lines should be cleaned out you should also check under the battery tray to make sure the boot is not ripped that controls the leaver to engage the front axel
Posted on Feb 16, 2009
check vaccum actuator on front diff?use vaccum gauge should be 25 to 30lbs to open had same problem 94 gmc sierra ext cabb 4x4 5.7 ordrive tranny
Posted on Mar 14, 2009
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