Dodge Ram Power Wagon, Owner'S Manual

Page: 396 / 467

Front Wheel Bearings
Front wheel bearings for all Dodge Ram Trucks are
sealed-for-life. They do not require greasing or seal
replacement. In some instances, these bearings will
“purge” excess grease and the bearing will look slightly
wet. This is normal. Periodic inspection for excess play is
recommended.
Rear Wheel Bearings — Manufacturer’s Axles
These bearings are normally considered permanently
lubricated. Cleaning and repacking is required only
when axle shafts are removed or in case of extreme water
or dust contamination.
Selection of Lubricating Grease
The National Lubricating Grease Institute (NLGI) has
developed a symbol (Certification Mark) to aid the
vehicle owner in the proper selection of grease for the
lubrication of wheel bearings and chassis components.
This symbol (an example is shown below) is located on
the grease container and identifies the application and
quality of the grease.
There are two groups identi-
fied, those for wheel bearings
(Letter “G”) and those for
chassis (Letter “L”) lubrica-
tion. Performance categories
within these groups result in
dual letter designations for
each group. The letter desig-
nations shown in the example
are the highest quality level
available and when combined as shown can be used for
both wheel bearing and chassis lubrication. Use only
those greases that have the NLGI symbol on the con-
tainer along with the proper quality level for your
application.
396 MAINTAINING YOUR VEHICLE