Additional Required Services - GMC Yukon XL Denali 2005 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).
Replace spark plugs and inspect spark
plug wires. An Emission Control Service.
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)
• •
• •
•
•
•