NOTICE
Do not overtighten the cap head. Too much force
will strip the screw.
7. Install the hub cap and tighten the cap head just
until snug.
35–05 Oil-Filled Hubs Oil
Changing, Tag Axle
WARNING
Be careful not to overfill the hubs. Overfilling may
cause oil to be forced out of the hubs and to con-
taminate the brake linings and other brake compo-
nents. This could result in loss of vehicle control
and lead to personal injury and property damage.
1. With the vehicle on a level surface, remove the
hub cap (also referred to as a beauty ring).
2. Rotate the rear wheels so that the rear hub drain
plugs are positioned downward.
3. Chock the tires.
4. Place suitable containers under the hubs, re-
move the filler plugs (in the ends of the hub
caps) and the drain plugs, and allow the hubs to
drain completely. See
Fig. 5.
5. Install the drain plugs and tighten securely.
6. Add approximately 1 to 1-1/2 pints (0.5 to 0.7 L)
of oil (80W–90 hypoid gear oil) to each hub.
IMPORTANT: Fill the hubs to the level indicators
on the hub caps, or to no more than 1/4 inch (6
mm) above the indicators. See
Fig. 5.
7. Rotate the wheels, allow the oil to settle, and
check the levels.
8. Install the filler plugs securely.
NOTICE
Do not overtighten the cap head. Too much force
will strip the screw.
9. Install the hub cap and tighten the cap head just
until snug.
f330247b
A
1
2
07/09/2009
A. Hub Cavity Full
1. Fill Plug/Magnetic Drain
2. Drain Plug
Fig. 5, Oil-Filled Hub Cap
Rear Axle 35
Recreational Vehicle Chassis Maintenance Manual, June 2015 35/5
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