GMC 2002 Savana Van Owner's Manual page 354

Short Trip/City Scheduled Maintenance
27,000 Miles (45 000 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.
30,000 Miles (50 000 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. 2500 and 3500 Series Only:
If driving in dusty areas or when towing a trailer, drain fluid and refill every
15,000 miles (25 000 km).
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Clean and repack the front wheel bearings (or at each brake relining,
whichever occurs first).
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Replace fuel filter. An Emission Control Service. (See footnote
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SERVICED BY:
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