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Drive Axles - Except Full Floating Axle: Specifications GMC Sierra 2500

AXLE ASSEMBLY SPECIFICATIONS

ApplicationSpecification
Pinion Bearing Preload (1)
New Bearings15-30 INCH Lbs. (1.7-3.4 N.m)
Used Bearings10-25 INCH Lbs. (1.1-2.8 N.m)
Ring Gear Backlash.003-.010" (.08-.25 mm)
Side Bearing Preload.008" (.20 mm)
(1) Preload measurement is torque needed to turn pinion in housing without differential case and ring gear installed.
(1)Preload measurement is torque needed to turn pinion in housing without differential case and ring gear installed.

AXLE ASSEMBLY SPECIFICATIONS

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
Differential Bearing Adjusting Nut Lock Bolt19 (26)
Differential Cover Bolts
"C", "G"& "K" Series30 (41)
"L", "M", "S" & "T" Series22 (30)
Drive Shaft Retainer Bolts
"C" & "K" Series18 (24)
"G" Series
Flange Type75 (102)
Yoke Type15 (20)
"L" & "M" Series27 (36)
"S" & "T" Series15 (20)
Pinion Shaft Lock Bolt
"C", "G" & "K" Series
8.6" Ring Gear27 (37)
9.5" Ring Gear37 (50)
"L" & "M" Series19 (26)
"S" & "T" Series
7.6" & 8.0" Ring Gear25 (34)
8.6" Ring Gear27 (37)
Ring Gear-To-Differential Case Bolt (1)
7.6", 8.0" & 8.6" Ring Gear89 (120)
9.5" Ring Gear103 (140)
Shock Absorber Mounts
"C" & "K" Series70 (95)
"G" Series
Lower60 (80)
Upper20 (25)
"L" & "M" Series79 (107)
"S" & "T" Series
Lower62 (84)
Upper25 (35)
Side Bearing Cap Bolt
7.6", 8.0" & 8.6" Ring Gear55 (75)
9.5" Ring Gear63 (85)
"U" Bolts
"C" & "K" Series
8.6" Ring Gear59 (80)
9.5" Ring Gear89 (121)
"G" Series64 (87)
"L". "M", "S" & "T" Series74 (100)
(1) Bolt has left-hand threaded. Use NEW bolts.
(1)Bolt has left-hand threaded. Use NEW bolts.

TORQUE SPECIFICATIONS