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**COBALT** · 06-19-2002, 08:33 PM

Jack the truck up in the back, and throw the transmission in neutral. Take off the emergency brake, and have someone turn the driving wheel (or any wheel if you have a locker).

While the ring and pinion are turning you should be able to see better. Heck you might be able to get in there with a wax pencil (white) and mark a tooth, and then count until you see the mark come around again.

Just some ideas.

06-19-2002, 08:33 PM	#9
COBALT Senior Member Join Date: Sep 2001 Location: Seattle, WA, USA Posts: 5,817	Jack the truck up in the back, and throw the transmission in neutral. Take off the emergency brake, and have someone turn the driving wheel (or any wheel if you have a locker). While the ring and pinion are turning you should be able to see better. Heck you might be able to get in there with a wax pencil (white) and mark a tooth, and then count until you see the mark come around again. Just some ideas. __________________ '69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA.