GM 2004 Automobile User Manual


 
90,000 Miles (150 000 km)
Change engine oil and filter (or every 12 months,
whichever occurs first).
An Emission Control
Service.
Replace passenger compartment air filter.
Replace engine air cleaner filter.
An Emission
Control Service.
Inspect fuel tank, cap, cap gasket and lines for
damage or leaks (or every 24 months, whichever
occurs first). Replace parts as needed.
An Emission
Control Service. (See footnote †.)
Inspect engine accessory drive belts (or 12 months
since last inspection).
An Emission Control Service.
Drain, flush and refill cooling system (or every
24 months, whichever occurs first). See
Engine
Coolant on page 5-27
for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test cooling system and pressure cap.
An Emission Control Service. (See footnote †.)
Change manual transaxle fluid every 30,000 miles
(50 000 km) only if your vehicle is used to tow a
trailer.
Check automatic transaxle fluid.
Rotate tires. See
Tire Inspection and Rotation on
page 5-68
for proper rotation pattern and additional
information.
(See footnote +.)
97,500 Miles (162 500 km)
Change engine oil and filter (or every 12 months,
whichever occurs first).
An Emission Control
Service.
Rotate tires. See
Tire Inspection and Rotation on
page 5-68
for proper rotation pattern and additional
information.
(See footnote +.)
120,000 Miles (200 000 km)
Replace spark plugs.
An Emission Control Service.
6-18