Workshop Repair and Service Manuals GMC SIERRA
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Differential Carrier Bearing Preload Adjustment (10 5 11 5 Inch Axles) Differentials Differential Carrier      Special Tools J-24429 Side Bearing Backlash Spanner Note: The differential side bearing preload is adjusted by the 2-adjusting nuts in the bearingbore. The bore and the bearing cap provide the mating threads for the bearing...
Adhesives Fluids Lubricants and Sealers Axles Front      Adhesives, Fluids, Lubricants, and Sealers Application Type of Material GM Part Number Canadian Part Number Differential Carrier Assembly Case Mating Surfaces Sealant GM-P/N-1052942 Canadian-P/N-10953466 or...
Differential Inspection Axles Rear      Check the pinion gear shaft for unusual wear.Check the pinion and the side gear teeth for wear, cracks,scoring and spalling.Check the thrust washers for wear.Check the fit of the side gears in the differential case andon the...
Propeller Shaft Phasing Correction Driveshafts Propeller Shaft Assembly      One Piece Propeller Shaft Phasing Correction An out of phase single-piece propeller shaft is very unusual.If the phasing inspection procedure revealed that prop shaft is notphased correctly, the welded yokes are in the wrong...
Fastener Tightening Specifications - 4WD Driveline Control Driveshafts Propeller Shaft Assembly      Fastener Tightening Specifications Application Specification Metric English Center Bearing Mounting Bolt 40-Y 30-lb-ft Yoke Retainer Bolts 25-Y 18-lb-ft
Fastener Tightening Specifications - 4WD Driveline Control Axles Front      Fastener Tightening Specifications Application Specification Metric English Differential Adjuster Lock Nut Bolt 20-Y 15-lb-ft Differential Carrier Assembly Case Bolts 8.25 Axle 73-Y 54-lb-ft...
Differential Case Removal Warning Differentials      Warning:To prevent personal injury and/or component damage, supportthe differential case when removing the case from the axle housing.If the case is not supported, the differential case could fall andcause personal injury or...
Transfer Case Output Flange Runout Measurement Driveshafts Joints U-Joints      Special Tools GE-7872Magnetic Base Dial Indicator Set, or equivalent Note:This measurement procedure is intended to measuretransmission or transfer case output flange runout for systems witha constant velocity (CV) joint,...
Wheel Drive Shafts Description and Operation Driveshafts      Front Wheel Drive Shafts are flexible assemblies whichconsist of the following components: Front wheel drive shaft constant velocity joint outerjoint.Front wheel drive shaft tri-pot joint inner joint.The front wheel drive...
Driveline Runout Specifications      Driveline Runout Specifications Application Specification Metric English Differential Pinion Input Shaft or Flange Pilot 0.05-mm 0.002-in Torque Tube Input Flange 0.20-mm 0.008-in Transmission...
Locking Differential Thrust Block Sizes Axles Rear      Locking Differential Thrust Block Sizes Color Code 8.6" Axle 9.5" Axle 9.5" Axle Dana Style Blocks 2012 and Forward 10.5" Axle 11.5" Axle Blue 34.290-mm (1.350") 40.488-mm (1.594") 40.49-mm (1.594")...
Differential Case and Gears Inspection Differentials      Inspect the following components for excessive wear and/orfit:The pinion gear shaftThe thrust washersThe differential case for wear, cracks and scoringThe fit of the pinion gear shaft in the differentialcaseThe fit of the...
Approximate Fluid Capacities 4WD Transfer Case      Approximate Fluid Capacities Application Specification Metric English DEXRON®VI GM-P/N-88861003(Canadian-P/N-88861004) 1.4-liters 1.5-quarts
Differential Housing Cover and Gasket Removal Caution Differentials      Caution:When removing the differential case from the axle housing, donot damage the cover gasket surface. If the cover gasket surface isdamaged, lubricant may leak from the axle and cause prematurefailure of the axle assembly.
Adhesives Fluids Lubricants and Sealers Axles Rear      Adhesives, Fluids, Lubricants, and Sealers Application Type of Material GM Part Number Canadian Part Number Locking Differential Guides Chassis Lubricant 12377985 or equivalent 88901242 or equivalent...
Adhesives Fluids Lubricants and Sealers 4WD Transfer Case      Adhesives, Fluids, Lubricants, and Sealers Application Type of Material GM Part Number United States Canada Transfer Case DEXRON VI 88861037 19264717 Transfer Case Oil Drain Plug Sealant...
Approximate Fluid Capacities 4WD Transfer Case      Approximate Fluid Capacities Application Specification Metric English DEXRON®VI 1.5-liters 1.6-quarts