Additional Required Services - GMC 2004 Yokon Denali Owner's Manual

Additional Required Services

The following services should be performed at the first maintenance service (I or II) after the indicated
miles (kilometers) shown for each item.
Service and Miles (Kilometers)
Inspect fuel system for damage
or leaks.
Inspect exhaust system for loose or
damaged components.
Vehicles without a filter restriction
indicator: Replace engine air
cleaner filter. See Engine Air
Cleaner/Filter on page 5-19.
An Emission Control Service.
Change automatic transmission
fluid and filter (severe service).
See footnote (h).
Change automatic transmission
fluid and filter (normal service).
Inspect evaporative control system.
An Emission Control Service.
See footnotes † and (g).
6-6
Additional Required Services
25,000 50,000
(41 500) (83 000)
• •
• •
• •
•
•
75,000 100,000
(125 000) (166 000)
• •
• •
• •
•
•
•
125,000 150,000
(207 500) (240 000)
• •
• •
• •
•
•