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Torque Specifications

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1990 GMC Pickup, 1990 GMC Cab & Chassis, 1990 Chevrolet Pickup, 1990 Chevrolet Cab & Chassis, and 1989 GMC Pickup. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS

Application Ft. Lbs. (N.m)
Actuator Solenoid 16 (22)
Axle Carrier Bolts 35 (47)
Axle Carrier Bushing Bolts 80 (110)
Axle Hub Nut 175 (235)
Drain & Fill Plugs 24 (33)
Drive Axle-to-Output Flange Bolts 59 (80)
Front Drive Shaft "U" Bolts 15 (20)
Right Axle Tube-to-Carrier Bolts 30 (40)
Right Axle Tube-to-Frame Bolts
K10/20 Series 75 (100)
K30 Series 110 (145)
Ring Gear Attaching Bolts 88 (120)
Skid Plate Screws 25 (34)
Thermal Actuator to Axle Tube 16 (22)
Tie Rod Nut 40 (54)
Wheel Lug Nuts (Front) 105 (140)
INCH Lbs. (N.m) 
Switch Housing 45 (5.0)