Chevrolet 2004 Tracker Owner's Manual page 330

Drain, flush and refill cooling system (or every
30 months, whichever occurs first). See Engine
Coolant on page 5-25 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. (See footnote †.)
Replace engine air cleaner filter. See Engine
Air Cleaner/Filter on page 5-18 for more information.
An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation on
page 5-64 for proper rotation pattern and additional
information. (See footnote +.)
Change manual transmission fluid.
Change transfer case fluid.
Change differential fluid.
Replace fuel filter (or every 30 months, whichever
occurs first). An Emission Control Service.
(See footnote †.)
Inspect propeller shafts and U-joints for looseness
and damage (or every 15 months, whichever
occurs first). Inspect more frequently if used off-road
or for pulling a trailer. Tighten U-joint flange bolts
if necessary.
6-16
93,000 Miles (155 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
96,000 Miles (160 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
If Equipped: Inspect passenger compartment
air filters.
Rotate tires. See Tire Inspection and Rotation on
page 5-64 for proper rotation pattern and additional
information. (See footnote +.)
99,000 Miles (165 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
100,000 Miles (166 000 km)
If you have not used your vehicle under severe
service conditions listed previously and, therefore,
have not changed your automatic transmission fluid,
change both the fluid and filter.
120,000 Miles (200 000 km)
Replace evaporative emission canister and air
suction filter (or every 120 months, whichever occurs
first). An Emission Control Service.