GMC Sierra 2000, Owner'S Manual

Page: 394 / 426

Long Trip/Highway Scheduled Maintenance
7-45
j Diesel Engine Only: If your engine has a thermostatically controlled cooling
fan, inspect hoses and ducts for proper hook
-
up (or every 12 months,
whichever occurs first). Be sure the valve works properly. This is a Noise
Emission Control Service. Applicable only to vehicles sold in the
United States.
j Diesel Engine Only: Check the crankcase depression regulator valve system
for any worn, plugged or collapsed hoses. See service manual.
An Emission Control Service.
67,500 Miles (112 500 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/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See fo.)
ACTUAL
SERVICED BY:
MILEAGE
DATE