GMC 2004 Sierra 1500 Pickup Owner's Manual page 551

Usage
Manual
Transmission
Synchromesh Transmission Fluid
(5–Speed
(GM Part No. U.S. 12345349, in
without Low
Canada 10953465).
Gear, RPO
MG5)
Manual TranSynd™ Synthetic Transmission
Transmission Fluid (GM Part No. U.S. 12378515,
(6–Speed) in Canada 88900701).
Automatic DEXRON
Transmission Transmission Fluid.
Multi-Purpose Lubricant, Superlube
Key Lock
(GM Part No. U.S. 12346241, in
Cylinders
Canada 10953474).
Lubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293, in
Floor Shift
Canada 992723) or lubricant
Linkage
meeting requirements of NLGI #2
Category LB or GC-LB.
Fluid/Lubricant
®
-III Automatic
Usage
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
Canada 10950849).
SAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
Rear Axle
12378261, in Canada 10953455)
meeting GM Specification 9986115.
Synthetic Axle Lubricant; use only
Rear Axle GM Part No. U.S. 12378557, in
Canada 88901362. Do not add
(Steerable)
friction modifier.
Manual DEXRON
Transfer Case Transmission Fluid.
Fluid/Lubricant
®
-III Automatic
6-15