Owner's Manual
Page 329
... 2, Category LB or GC-LB. 7-41 Constant Velocity Universal Joint Chassis lubricant (GM Part No. 1 OS2497 or equivalent) orlubricant meeting requirements of NLGI Grade 2, Category LB or GC-LB. Front Wheel Bearings Differential, Standard, Front and Rear Axle Differential, Locking Transfer Case Column Shift Windshield Wxher Solvent DEXR0N'-111 Automatic Transmission Fluid. b. IO52497...
... 2, Category LB or GC-LB. 7-41 Constant Velocity Universal Joint Chassis lubricant (GM Part No. 1 OS2497 or equivalent) orlubricant meeting requirements of NLGI Grade 2, Category LB or GC-LB. Front Wheel Bearings Differential, Standard, Front and Rear Axle Differential, Locking Transfer Case Column Shift Windshield Wxher Solvent DEXR0N'-111 Automatic Transmission Fluid. b. IO52497...