GMC 2004 Sierra - Manual (Page 543)

Additional Required Services (cont’d)
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: Change
automatic transmission fluid and
filter (severe service).
See footnote
(m).
• • • • • •
Allison transmission only: Change
automatic transmission fluid and
filter (normal service).
• • •
Except Allison: Change automatic
transmission fluid and filter (severe
service).
See footnote (h).
• • •
Except Allison: Change automatic
transmission fluid and filter (normal
service).
•
Four-wheel drive with automatic
transfer case only: Change transfer
case fluid.
See footnote (g).
• • •
Inspect evaporative control system.
An Emission Control Service. See
footnotes † and (k).
• • •
6-7