K 2500 Suburban 4WD V8-5.7L VIN R (1999)
5. Install the mainshaft washer and nut using J 38805.
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Tighten the nut to 441 Nm (325 ft. lbs.).
6. Install the extension housing to the transmission with eight bolts.
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Tighten the nut to 54 Nm (40 ft. lbs.).
7. Install the transfer case.
8. Check the transmission oil level.
9. Lower the vehicle.
