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np208 problems

blazin' j

1/2 ton status
Joined
Aug 22, 2007
Posts
833
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Location
baton rouge, la
hey guys...i have an 86 k5 w/t400 & np208...the front output shaft spins freely even w/the driveshaft hooked up...any insight into the problem/fix??? thankx n advance...
 
It should spin free , until its in four wheel drive , then its locked to the transfercase speed along with the rear driveshaft .

If it spins free when in four wheel drive , then you have a problem . Chain failures are uncommon , but worn range selectors are common .
 
will check that out n about 2 wks, thanks...jus finished my one ton swap yesterday n droppin it off for a new motor this am...glad the swap was free this time around...
 

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