GM 2004 Automobile User Manual


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37,500 Miles (62 500 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 +.)
45,000 Miles (75 000 km)
❑ Change engine oil and filter (or every 12 months,
whichever occurs first).
An Emission Control
Service.
❑ Replace passenger compartment air filter.
❑ Rotate tires. See
Tire Inspection and Rotation on
page 5-68
for proper rotation pattern and additional
information.
(See footnote +.)
52,500 Miles (87 500 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 +.)
60,000 Miles (100 000 km)
❑ Change engine oil and filter (or every 12 months,
whichever occurs first).
An Emission Control
Service.
❑ Replace passenger compartment air filter.
❑ Rotate tires. See
Tire Inspection and Rotation on
page 5-68
for proper rotation pattern and additional
information.
(See footnote +.)
❑ Inspect engine accessory drive belts (or every
48 months, whichever occurs first).
An Emission
Control Service.
❑ Replace engine air cleaner filter (or every 24 months,
whichever occurs first).
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 for tappet noise and engine vibration. Adjust
valve clearance to factory specifications if necessary
(or every 48 months, whichever occurs first).
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 †.)
6-16
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