Hood GMC YUKON 2000 Owner's Guide

7-18
Weatherstrip Lubrication
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth. During very cold,
damp weather more frequent application may be
required. (See ªRecommended Fluids and Lubricantsº
in the Index.)
Automatic Transmission Check
Check the transmission fluid level; add if needed.
See ªAutomatic Transmission Fluidº in the Index.
A fluid loss may indicate a problem. Check the system
and repair if needed.At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified in Part D.
Body Lubrication Service
Lubricate all hood latch assembly, secondary latch,
pivots, spring anchor, release pawl, rear compartment
hinges, outer liftgate handle pivot points, rear door
detent link, roller mechanism, liftgate handle pivot
points, latch bolt, fuel door hinge, cargo door hinge,
locks and folding seat hardware. Part D tells you what
to use. More frequent lubrication may be required when
exposed to a corrosive environment.

7-24
USAGEFLUID/LUBRICANT
Floor Shift
LinkageLubriplate
Lubricant Aerosol
(GM Part No. 12346293 or
equivalent) or lubricant meeting
requirements of NLGI # 2
Category LB or GC
-LB.
Chassis
LubricationChassis Lubricant (GM Part
No. 12377985 or equivalent) or
lubricant meeting requirements
of NLGI # 2, Category LB
or GC
-LB.
Front AxleSAE 80W-90 Axle Lubricant
(GM Part No. 1052271
or equivalent).
Rear AxleSAE 75W-90 Synthetic Axle
Lubricant (GM Part No. 12378261)
or equivalent meeting GM
Specification 9986115.
USAGEFLUID/LUBRICANT
Automatic
Transfer CaseAutomatic Transfer Case Fluid
(GM Part No. 12378396).
Front Axle
Propshaft Spline
or One
-Piece
Propshaft Spline
(Two
-Wheel
Drive with
Auto. Trans.)
Spline Lubricant, Special Lubricant
(GM Part No. 12345879) or
lubricant meeting requirements of
GM 9985830.
Rear Driveline
Center SplineChassis Lubricant (GM Part
No. 12377985 or equivalent) or
lubricant meeting requirements
of NLGI # 2, Category LB
or GC
-LB.
Hood Latch
Assembly,
Secondary Latch,
Pivots, Spring
Anchor and
Release PawlLubriplate
Lubricant Aerosol
(GM Part No. 12346293 or
equivalent) or lubricant meeting
requirements of NLGI # 2,
Category LB or GC
-LB.

7-25
USAGEFLUID/LUBRICANT
Hood HingesMulti-Purpose Lubricant,
Superlube
(GM Part
No. 12346241 or equivalent).
Body Door Hinge
Pins, Liftgate
Hinge and
Linkage, Folding
Seats and Fuel
Door HingeMulti-Purpose Lubricant,
Superlube
(GM Part
No. 12346241 or equivalent).
USAGEFLUID/LUBRICANT
Weatherstrip
ConditioningDielectric Silicone Grease
(GM Part No. 12345579
or equivalent).
Weatherstrip
SqueaksSynthetic Grease with Teflon,
Superlube
(GM Part
No. 12371287 or equivalent).