Oldsmobile 2003 Bravada Owner's Manual page 362

100,000 Miles (166
000
km)
0 Replace spark plugs. An Emission Control Service.
0 Change automatic transmission fluid and filter 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.
-
Uses such as found in taxi, police or delivery
service.
0 If you haven't used your vehicle under severe service
conditions listed previously and, therefore, haven't
changed your automatic transmission fluid, change
both the fluid and filter
U Change transfer case fluid.
150,000 Miles
(240 000
km)
U
Drain, flush and refill cooling system (or every
60 months since last service, whichever occurs first).
See Engine Coolant on page 5-22 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.
0
Inspect engine accessory drive belt. An Emission
Control Service.
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