GMC 1999 Suburban Owner's Manual page 395

USAGE FLUID/LUBRICANT
Front and Rear SAE 80W-90 Axle Lubricant (GM
Axle (Standard Part No. 1052271 or equivalent).
Differential)
Rear Axle SAE 80W-90 Axle Lubricant; Use
(Locking only GM Part No. 1052271. Do
not add friction modifier.
Differential)
Manual Transfer DEXRON
Case Transmission Fluid.
Automatic Automatic Transfer Case Fluid
(GM Part No. 12378396).
Transfer Case
Front Axle Chassis Lubricant (GM Part
Propshaft Spline No. 12377985 or equivalent) or
lubricant meeting requirements
and Universal
of NLGI # 2, Category LB or
Joints
-
GC LB.
-
One Piece Spline Lubricant, Special
Propshaft Spline Lubricant (GM Part
-
No. 12345879) or lubricant
(With Two Wheel
meeting requirements of
Drive)
GM 9985830.
R
-
III Automatic
USAGE FLUID/LUBRICANT
Hood Latch Lubriplate
Assembly, (GM Part No. 12346293 or
equivalent) or lubricant meeting
Secondary Latch,
requirements of NLGI # 2,
Pivots, Spring
Category LB or GC
Anchor and
Release Pawl
-
Hood and Door Multi
Superlube
Hinges
12346241 or equivalent).
-
Body Door Multi
Hinge Pins, Superlube
Tailgate Hinge No. 12346241 or equivalent).
and Linkage,
Folding Seat and
Fuel Door Hinge
-
Outer Tailgate Multi
Handle Pivot Superlube
No. 12346241 or equivalent).
Points
Weatherstrip Dielectric Silicone Grease (GM
Conditioning Part No. 12345579 or equivalent).
Weatherstrip Synthetic Grease with Teflon,
Squeaks Superlube
No. 12371287 or equivalent).
yellowblue
R
Lubricant Aerosol
-
LB.
Purpose Lubricant,
R
(GM Part No.
Purpose Lubricant,
R
(GM Part
Purpose Lubricant,
R
(GM Part
R
(GM Part
7-45