Chevrolet 2004 Express Van Owner's Manual page 365

Additional Required Services (cont'd)
25,000 50,000 75,000 100,000 125,000 150,000
Service (41 500) (83 000) (125 000) (166 000) (207 500) (240 000)
Engine cooling system service
(or every 5 years, whichever occurs
first). An Emission Control Service.
See footnote (i).
Inspect engine accessory drive belt.
An Emission Control Service.
Inspect evaporative control system.
An Emission Control Service.
See footnotes † and (l).
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