GMC 1997 Savana Van Owner's Manual page 342

52,500 Miles (87 500 km)
Cl
Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0
Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0
Check axle fluid level and add fluid as
needed. (See footnote
*
*.)
0
Rotate tires. See "Tire Inspection and
Rotation" in the Index for proper rotation
pattern and additional information.
(See footnote +.)
ACTUAL MILEAGE SERVICED B Y
60,000 Miles (100 000 km)
0
Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0
Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0
Check axle fluid level and add fluid as
needed. (See footnote **.)
0
Clean and repack the front wheel bearings
(or at each brake relining, whichever
occurs first).
Rotate tires. See "Tire Inspection and
Rotation" in the Index for proper rotation
pattern and additional infomation.
(See footnote +.)
0
Inspect engine accessory drive belt.
An
Emission Control Service.