Chevrolet 2008 Silverado 1500 Pickup Owner's Manual page 549

Additional Required Services (cont'd)
25,000 50,000 75,000 100,000 125,000 150,000
Service and Miles (Kilometers)
(40 000) (80 000) (120 000) (160 000) (200 000) (240 000)
Change automatic transmission fluid
and filter (normal service).
Four-wheel drive only: Change transfer
case fluid (extreme duty service).
See footnotes (g) and (l).
Four-wheel drive only: Change transfer
case fluid (severe service).
See footnotes (g) and (m).
Four-wheel drive only: Change
transfer case fluid (normal service).
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.
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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