Navistar ProStar+ Operation And Maintenance Manual page 260

Maintenance Intervals and Specifications
Lubrication and Maintenance Interval – Recommended Synchronized Intervals (cont.)
System Item
Rear Axle Suspension Fasteners / Components – Check
Rear Axle Lubricant – Level Checks
Axle Flange Nuts – Retorque
Air Suspension (if equipped) – Check Ride Height (See Service
Manual)
Axle U-bolts – Retorque (NOTE 3)
Rear Axle with Petroleum Oil – Change
Rear Axle Wheel Ends – Inspect for leaks, lube level / condition,
and check end play with dial indicator.
Rear Axle with Synthetic Oil – Change
Rear Axle Wheel Ends – Full teardown inspection of all wheel end
components, regardless of condition of lube and wheel bearing
end play.
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Intervals
Special Interval (3): miles (km) / hours / months
A, B
A, B
B
B
At first 1,000 miles (1,600 km), then every 36,000
miles (58,000 km) thereafter
Dana ® – 120,000 miles (193,000 km) / – / 12 Months
Meritor – 100,000 miles (160,000 km) / – / 12 Months
100,000 miles (160,000 km) / – / 12 Months
Also at brake lining service.
If wheel end play is found to be outside the 0.001-inch
to 0.005-inch specification, or lube condition is
contaminated or low, then perform a full wheel end
teardown. Inspect bearings, spindle, and spindle nuts
for excessive wear and replace as necessary.
Dana ® – 500,000 miles (800,000 km) / – / 60 Months
Meritor – 500,000 miles (800,000 km) / – / 48 Months
500,000 miles (800,000 km) / – / 5 Years