PREVENTIVE MAINTENANCE SCHEDULE PART 8: MAINTENANCE AND SERVICE
ā 128 ā Y53-6007 (R10/06)
Hub, Drum,
& Hubcap
LMS Hubs (Dana) Check the bearing endplay and adjust as required (see page 164). X
LMS Hubs (Dana) with
Synthetic Lubricant
Clean the components and check for excessive wear or damage. Change
the oil and seal (see
page 164).
500,000 miles/
800,000 km
LMS Hubs (Dana) with
Mineral Lubricant
Clean the components and check for excessive wear or damage. Change
the oil and seal (see
page 164).
360,000 miles/
576,000 km
Brake drums Inspect for visible cracks, heat checking, galling or scoring of the braking
surface, and for severe corrosion on the outside surface. Check for out-of-
round or oversize condition [0.080 in. (2 mm) more than the original diame
-
ter]. Replace as required.
X
Hubcaps Clean the sight window. Check the center plug, mounting flange, and fill
plug for leaks and for proper installation. Replace broken or damaged
parts. Check the lubricant level and add as required.
X
Main & aux-
iliary
trans-
mission
Main & auxiliary transmission
and transfer case
Inspect for visible damage, signs of overheating, and leaks.
X X
Main & auxiliary transmission
and transfer case
Check the drain plugs for tightness.
X
Oil cooler Clean the fins (air-to-oil type) and body. Check the hose condition and for
leaks; replace as required.
X
Table 2 Preventative Maintenance Schedule (Continued)
SYSTEM COMPONENT MAINTENANCE TASK
Recommended
PM Interval
I ABCDE