Chevrolet 1998 Tracker Owner's Manual page 349

Long Trip/Highway Maintenance Schedule
100,000 Miles (1 66 000 km)
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.
plugged or collapsed hoses.
An Emission Control Service.
An Emission Control Service.
An Emission Control Service.
An Emission Control Service.
0
Replace Positive Crankcase Ventilation (PCV) valve. Replace any worn,
0
Inspect Exhaust Gas Recirculation (EGR) system.
Inspect fuel injector.
0
Replace evaporative emissions canister.
DATE
1
MILEAGE
7-46