Maintenance Intervals And Specifications
Lubrication and Maintenance Interval — Recommended Synchronized Intervals (cont.)
System Item Intervals Special Interval (3) : miles (km) / hours / months
Suspension Fasteners/Components – Check A, B
Axle Flange Nuts – Retorque B
Ride Height – Check B
Axle U-bolts – Retorque At first 1,000 miles (1,600 km) then every
36,000 miles (58,000 km) thereafter.
Rear Axle with Petroleum Change Oil
(clean magnetic plug and breather as necessary)
60,000(96,000)/–/12
Rear Axle Wheel Ends – inspect for leaks, lube
level/condition, and check end play with dial indicator.
100,000(160,000)/–/12. Also at brake
lining service.
If wheel end play is found to be outside the 0.001
in.to0.005in.specification, or lube condition is
contaminated or low, then perform a full wheel end tear
down. Inspect bearings, spindle, and spindle nuts for
excessive wear and replace as necessary.
Rear Axle with Synthetic Change Oil
(clean magnetic plug and breather as necessary)
120,000(192,000)/–/12
Rear Axle
Rear Axle Wheel Ends – Full tear down inspection of all
wheel end components, regardless of condition of lube and
wheel bearing end play.
500,000 miles (800,000km)/–/5 Years
206 3879634R1
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