90,000 Miles (150 000 km)
❑ 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.
❑ Check rear axle fluid level and add fluid as needed.
❑ Replace fuel filter. An Emission Control Service.
(See Footnote †.)
❑ Replace engine air cleaner filter. See Engine Air
Cleaner/Filter on page 5-20 for more information.
An Emission Control Service.
97,500 Miles (162 500 km)
❑ Check rear axle fluid level and add fluid as needed.
100,000 Miles (166 000 km)
❑ Inspect spark plug wires. An Emission Control
Service.
❑ Replace spark plugs. An Emission Control Service.
150,000 Miles (240 000 km)
❑ 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.
❑ Inspect engine accessory drive belt. An Emission
Control Service.
6-8