GMC Sierra 3500HD 2001 Owner's Manual page 288

Long Trip/Highway Scheduled Maintenance
60,000 Miles (100 000 km)
j
Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j
Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j
Check rear axle fluid level and add fluid as needed. Change axle fluid if the
vehicle is driven in high
extended periods of time.
j
Clean and repack the front wheel bearings (or at each brake relining,
whichever occurs first).
j
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote +.)
j
Inspect engine accessory drive belt.
An Emission Control Service.
j
Replace fuel filter.
An Emission Control Service. (See footnote
j
Inspect shields and underhood insulation for damage or looseness. Adjust or
replace as required. This is a Noise Emission Control Service. Applicable only
to vehicles sold in the United States.
7-38
-
speed (above 40 mph or 70 km/h) conditions for
[
.)
DATE
ACTUAL
SERVICED BY:
MILEAGE