GMC 2006 Sierra 1500 Pickup Owner's Manual page 564

Usage
Lubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293,
Floor Shift
in Canada 992723) or lubricant
Linkage
meeting requirements of NLGI #2
Category LB or GC-LB.
Chassis Lubricant (GM Part
No. U.S. 12377985, in Canada
Chassis
88901242) or lubricant meeting
Lubrication
requirements of NLGI #2, Category
LB or GC-LB.
SAE 80W-90 Axle Lubricant
Front Axle
(GM Part No. U.S. 1052271, in
(1500 Series)
Canada 10950849).
Front Axle
SAE 75W-90 Synthetic Axle
(1500 HD,
Lubricant (GM Part No. U.S.
2500, 2500 HD,
12378261, in Canada 10953455)
and 3500
meeting GM Specification 9986115.
Series)
SAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
Rear Axle
12378261, in Canada 10953455)
meeting GM Specification 9986115.
6-16
Fluid/Lubricant Usage
DEXRON
Manual Transmission Fluid. Look for
Transfer Case "Approved for the H-Specification"
on the label.
AUTO-TRAK II Fluid (GM Part
Automatic
No. U.S. 12378508, in Canada
Transfer Case
10953626).
Front Axle
Propshaft
Spline or Spline Lubricant, Special Lubricant
One-Piece (GM Part No. U.S. 12345879, in
Propshaft Canada 10953511) or lubricant
Spline meeting requirements of GM
(Two-Wheel 9985830.
Drive with
Auto. Trans.)
Chassis Lubricant (GM Part
No. U.S. 12377985, in Canada
Rear Driveline
88901242) or lubricant meeting
Center Spline
requirements of NLGI #2, Category
LB or GC-LB.
Fluid/Lubricant
®
-III Automatic