First there are no hubs to lock, there is a axle disconnect and a
tcase to engage. Generally you need to move a bit because the cogs may
not be lined up correctly. Also GM when from a thermo frant axle
disconnecter to a servo driven one in 98 which is a lot more
consistant in perfomance
Yes, that will work. Sometimes it takes very little to do it. When it
works correctly, when moving when you select 4x4, a syncro in Tcase
picks up drive shaft and brings it up to speed and then let Tcase
engage and then axle engages (dosconnector) since axle shft on wheel
with now match diff speed with tcase engaged. If the disconnect where
to try to engage first there would be a lot of crunching and grinding
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