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Old 12-22-2002, 12:16 PM   #1
lukecp
Formerly yellow72custom
 
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Join Date: May 2001
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Pinion nut torque spec?

How many ft. lbs. should i torque the pinion nut on my coil spring 12-bolt rearend? I can't seem to find it in any of my manuals. Or is the torque spec different for each rearend?
Thanks for any help.
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride.
'70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck.
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Old 12-22-2002, 12:25 PM   #2
crazy longhorn
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There is no tork spec per say on the pinion nut on a 12 bolt. With the carrier & ring out, the pinion nut should be tightened enough to crush the sleeve, & give about 8-10 inch lbs rotating tork on the pinion(used bearings , & oiled). if you have new bearings, the figure is a little higher(about 12-15 inch lbs). The books will show a higher figure for new bearings.......but the driveline shops will run them a little looser to prevent "blue bearings". good luck.....crazy AL
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