Additional required services, Additional required services -6, Additional – GMC 2004 Sierra User Manual
Page 542: Required services
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.
Additional Required Services
Service
25,000
(41 500)
50,000
(83 000)
75,000
(125 000)
100,000
(166 000)
125,000
(207 500)
150,000
(240 000)
Allison transmission only: Replace
external control-main filter.
See
footnote (l).
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
Cleaner/Filter on page 5-23.
An Emission Control Service.
•
•
•
•
•
•
6-speed manual transmission
only: Change clutch fluid.
See
footnote (n).
•
•
•
•
•
•
6-6