GMC 2002 Savana Van Owner's Manual page 359

Short Trip/City Scheduled Maintenance
48,000 Miles (80 000 km)
j
Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j
Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j
Check axle fluid level and add fluid as needed.
j
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote +.)
j
Diesel Engine Only: Replace fuel cap if driving in dusty conditions.
An Emission Control Service.
50,000 Miles (83 000 km)
j
Change automatic transmission fluid and filter if the vehicle has a diesel
engine, if the vehicle's GVWR is over 8600 lbs. or 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.
– In hilly or mountainous terrain.
– When doing frequent trailer towing.
– Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the
fluid and filter at 100,000 miles (166 000 km).
7-20
DATE
ACTUAL
SERVICED BY:
MILEAGE
DATE
ACTUAL
SERVICED BY:
MILEAGE