Pontiac 1998 Trans Sport Owner's Manual page 417

Short Trip/City Maintenance Schedule
90,000 Miles (150 000 km)
Change engine oil and filter (or
every 3
months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or 'every 6 months, whichever occurs first).
(See footnote #.)
Replace air cleaner filter.
An Emission Control Service.
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote a.)
DATE
93,000 Miles (155 000 km)
0
Change engine oil and filter (or every 3 months, whichever occurs first).
MILEAGE
An Emission Control Service.
96,000 Miles (160 000 km)
0
Change engine oil and filter (or every 3 months, whichever
OCCUFS
first).
0 Lubricate
chassis
components (or every 6 months, whichever occurs first).
Replace passenger compartment air filter.
0
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
An Emission Control Service.
(See footnote #.)
rotation pattern and additional information. (See footnote
+.)
I
DATE
I
MILEAGE
7-18