Chevrolet S10 Pickup 2003 Owner's Manual page 387

Footnotes
† The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle's useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded.
# Lubricate the front suspension, ball joints, steering
linkage, parking brake cable guides, propshaft splines,
universal joints, constant velocity joint and brake
pedal springs.
+ A good time to check your brakes is during tire
rotation. See Brake System Inspection on page 6-32 .
** Drive axle service. See Part D: Recommended Fluids
and Lubricants on page 6-33 for proper lubricant
to use:
Check fluid level and add fluid as needed.
If your vehicle has a locking differential, drain fluid
and refill at first engine oil change.
7,500 Miles (12 500 km)
Change engine oil and filter (or every 12 months,
whichever occurs first). An Emission Control
Service.
Lubricate chassis components (or every 12 months,
whichever occurs first). (See footnote #.)
Check rear/front axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking. (See footnote **.)
Rotate tires. See Tire Inspection and Rotation on
page 5-64 for proper rotation pattern and additional
information. (See footnote +.)
15,000 Miles (25 000 km)
Change engine oil and filter (or every 12 months,
whichever occurs first). An Emission Control
Service.
Lubricate chassis components (or every 12 months,
whichever occurs first). (See footnote #.)
Inspect engine air cleaner filter. See Engine Air
Cleaner/Filter on page 5-19 for more information. An
Emission Control Service. (See footnote †.)
Check rear/front axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking. (See footnote **.)
6-19