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GM-power · 12-05-2016, 02:29 PM

Get a scan tool and see what codes it has in it. That's what I would do before throwing parts at it.

12-05-2016, 02:29 PM	#5
GM-power Registered User Join Date: Mar 2012 Location: Little Rock, Arkansas Posts: 770	Re: Service 4wd Get a scan tool and see what codes it has in it. That's what I would do before throwing parts at it. __________________ 1979 Sierra Classic Heavy-half 1996 Silverado x-cab "the daily"