GMC 2004 Sierra User Manual
Page 551

Usage
Fluid/Lubricant
Manual
Transmission
(5–Speed
without Low
Gear, RPO
MG5)
Synchromesh Transmission Fluid
(GM Part No. U.S. 12345349, in
Canada 10953465).
Manual
Transmission
(6–Speed)
TranSynd™ Synthetic Transmission
Fluid (GM Part No. U.S. 12378515,
in Canada 88900701).
Automatic
Transmission
DEXRON
®
-III Automatic
Transmission Fluid.
Key Lock
Cylinders
Multi-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Floor Shift
Linkage
Lubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293, in
Canada 992723) or lubricant
meeting requirements of NLGI #2
Category LB or GC-LB.
Usage
Fluid/Lubricant
Chassis
Lubrication
Chassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242) or lubricant meeting
requirements of NLGI #2, Category
LB or GC-LB.
Front Axle
SAE 80W-90 Axle Lubricant
(GM Part No. U.S. 1052271, in
Canada 10950849).
Rear Axle
SAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
12378261, in Canada 10953455)
meeting GM Specification 9986115.
Rear Axle
(Steerable)
Synthetic Axle Lubricant; use only
GM Part No. U.S. 12378557, in
Canada 88901362.
Do not add
friction modifier.
Manual
Transfer Case
DEXRON
®
-III Automatic
Transmission Fluid.
6-15