Oldsmobile AURORA 2002 Owner's Manual page 345

Scheduled Maintenance
30,000 Miles (50 000 km)
j
Replace passenger compartment air filter. If you drive regularly under dusty
conditions, the filter may require replacement more often.
j
Inspect throttle body bore and valve plates for deposits, open the throttle valve
and inspect all surfaces. Clean as required.
An Emission Control Service. (See footnote
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Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
j
Replace engine air cleaner filter.
An Emission Control Service.
37,500 Miles (62 500 km)
j
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation
pattern and additional information. (See footnote @.) (See footnote +.)
7-10
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