GMC 2003 Sonoma Owner's Manual page 400

Usage
I
Fluid/Lubricant -
Axle Lubricant; use only GM Part
Rear Axle
No. U S . 1052271, in Canada
(Locking 10950849.
Do not add friction
Differential) modifier.
Transfer Case
I
DEXRON@-Ill Automatic
Transmission Fluid.
Transfer Case
Shift Lever
Chassis Lubricant (GM Part No.
U S . 12377985, in Canada
88901242, or equivalent) or lubricant
meeting requirements of NLGl #2,
Cateaorv LB or GC-LB.
Rear Driveline
Center Spline
and Universal
Joints
Constant
Velocity
Universal Joint
Chassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242, or equivalent) or lubricant
meeting requirements of NLGl #2,
Category LB or GC-LB.
Chassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242, or equivalent) or lubricant
meeting requirements of NLGl #2,
Cateaow LB or GC-LB.
Clutch Pushrod
to Clutch Fork
Joint
Chassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242, or equivalent) or lubricant
meeting requirements of NLGl #2,
Cateaow LB or GC-LB.
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