GMC 2000 Sonoma, Owner'S Manual, Page: 351 / 381

Long Trip/Highway Scheduled Maintenance
7-39
82,500 Miles (137 500 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. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See fo.)
90,000 Miles (150 000 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/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j For Two
-
Wheel
-
Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
– In heavy city traffic where the outside temperature regularly reaches
90
_F (32_C) or higher.
ACTUAL
SERVICED BY:
MILEAGE
DATE
ACTUAL
SERVICED BY:
MILEAGE
DATE