Maintenance Footnotes - GMC Sierra Denali 2009 Owner's Manual

Service and Miles (Kilometers)
Replace spark plugs and inspect spark
plug wires. An Emission Control
Service.
Engine cooling system service
(or every five years, whichever occurs
first). An Emission Control Service. See
footnote (i).
Inspect engine accessory drive belt.
An Emission Control Service. See
footnote (l).

Maintenance 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, steering linkage, and
parking brake cable guides. Control arm ball joints
are maintenance-free.
Additional Required Services (cont'd)
25,000
(40 000) (80 000)
50,000 75,000
(120 000) (160 000)
(a) Visually inspect brake lines and hoses for proper
hook-up, binding, leaks, cracks, chafing, etc. Inspect
disc brake pads for wear and rotors for surface
condition. Inspect other brake parts, including calipers,
parking brake, etc.
(b) Visually inspect front and rear suspension and
steering system for damaged, loose, or missing parts,
signs of wear, or lack of lubrication. Inspect power
steering lines and hoses for proper hook-up, binding,
leaks, cracks, chafing, etc. Visually check constant
velocity joints, rubber boots, and axle seals for leaks.
100,000 125,000
(200 000)
•
150,000
(240 000)
•
•
6-7