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Old 09-08-2019, 08:30 AM   #2
b454rat
Senior Member
 
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,453
Re: 72 gmc Sierra grande stuck in 4 wheel drive

Prolly shift linkage froze. Spray some penetrating lube on the pivot and the cross bar where hooks to the shift rails. I had one freeze on one. Hubs won't unlock cause there is tension on the driveline.
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