lug pattern OLDSMOBILE AURORA 2003 Owners Manual
Page 343 of 387
90,000 Miles (150 000 km)
0 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
t.)
Control Service.
page
5-63 for proper rotation pattern and additional
information.
(See footnote @.) (See footnote +.)
0 Replace engine air cleaner filter. An Emission
0 Rotate tires. See Tire Inspection and Rotation on
97,500 Miles (162 500 km)
U Rotate tires. See Tire Inspection and Rotation on
page 5-63 for proper rotation pattern and additional
information.
(See footnote @.) (See footnote +.)
100,000 Miles (1 66 000 km)
0 Replace spark plugs. An Emission Control Service.
0 Change automatic transaxle fluid and bottom screens
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.
0 If you haven’t used your vehicle under severe service
conditions listed previously and therefore, haven’t
changed your automatic transaxle fluid, change both
the fluid and filter.
150,000 Miles (240 000 km)
0 Drain, flush and refill cooling system (or every
60 months since last service, whichever occurs first).
See
Engine Coolant on page 5-24 for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system and pressure cap.
An Emission Control Service.
U Inspect engine accessory drive belt. An Emission
Control Service.
- Uses such as found in taxi, police or delivery
service.
6-8
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