GMC 2007 Sierra - Manual (Page 622)

Additional Required Services (cont’d)
Service and Miles (Kilometers)
25,000
(40 000)
50,000
(80 000)
75,000
(120 000)
100,000
(160 000)
125,000
(200 000)
150,000
(240 000)
Except Allison Transmission ® : Change
automatic transmission fluid and filter
(severe service). See footnote (h).
• • •
Except Allison Transmission ® : 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).
• • •
Replace spark plugs and inspect spark
plug wires. An Emission Control
Service.
•
Change manual transmission fluid.
•
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 (q).
•
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