GMC 2007 Automobile User Manual


 
22,500 Miles (37 500 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 327 for proper rotation pattern and
additional information. (See footnote +.)
30,000 Miles (50 000 km)
Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
Replace passenger compartment air filter. If
you drive regularly under dusty conditions,
the filter may require replacement more often.
Replace engine air cleaner filter. See Engine Air
Cleaner/Filter on page 281 for more information.
Rotate tires. See Tire Inspection and Rotation
on page 327 for proper rotation pattern and
additional information. (See footnote +.)
Replace spark plugs. An Emission Control
Service.
Inspect drive belt(s).
Inspect timing belt.
Inspect EVAP canister, vapor lines, and EVAP
vent solenoid valve. An Emission Control
Service. (See footnote †.)
Inspect PCV system. An Emission Control
Service. (See footnote †.)
Change brake/clutch fluid (or every 24 months,
whichever occurs first).
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 327 for proper rotation pattern and
additional information. (See footnote +.)
385