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Power Strokes
6.0 Tech
Hubs and 4WD
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[QUOTE="Lubbockguy1979, post: 179028, member: 385"] It should work in auto and the switch on the dash turned to 4x4 or 4lo. If you have to manually lock the hubs yet have the esof hubs you will likely have the hvac system go to defrost when 4x4 is engauged. This is a sign that there is a vaccum failure. If you do not have the defrost issue then you could have a bad hub, someone could have plugged the vac lines etc. That would be where I would start [/QUOTE]
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