Chevrolet 2004 Classic Owner's Manual page 308

66,000 Miles (110 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-60 for proper rotation pattern and
additional information. (See footnote +.)
69,000 Miles (115 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
72,000 Miles (120 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-60 for proper rotation pattern and
additional information. (See footnote +.)
75,000 Miles (125 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Inspect engine air cleaner filter. If necessary, replace
the filter. If vehicle is driven in dusty/dirty conditions,
inspect filter at every engine oil change. See
Engine Air Cleaner/Filter on page 5-17 for more
information. An Emission Control Service. (See
footnote †.)
6-10
78,000 Miles (130 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-60 for proper rotation pattern and
additional information. (See footnote +.)
81,000 Miles (135 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
84,000 Miles (140 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-60 for proper rotation pattern and
additional information. (See footnote +.)
87,000 Miles (145 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.