Maintenance Footnotes - GMC Sierra Denali 2006 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.
Additional Required Services (cont'd)
25,000
(41 500) (83 000)
50,000 75,000
(125 000) (166 000)
# Lubricate the front suspension, ball joints, steering
linkage, transmission shift linkage, and parking
brake cable guides. Ball joints should not be lubricated
unless their temperature is 10°F (-12°C) or higher,
or they could be damaged.
(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.
100,000 125,000
(207 500)
•
150,000
(240 000)
•
•
6-7