GMC Sierra 2000 Owner's Manual page 376

Short Trip/City Scheduled Maintenance
75,000 Miles (125 000 km)
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Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
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Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
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For Two Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
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Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.
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Vehicles With GVWR Above 10,000 lbs. or Equipped with Diesel Engine
Only: 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.
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Diesel Engine Only: Check the air intake system installation to assure that
gaskets are properly sealed and that all hose connections, fasteners and other
components are tight. Also check to be sure that the air cleaner housing is
properly seated and the cover fits tightly. Tighten connections and fasteners or
replace damaged parts as necessary. This is a Noise Emission Control Service.
Applicable only to vehicles sold in the United States.
DATE
ACTUAL
MILEAGE
(Continued)
SERVICED BY:
7-27