GMC 2009 Savana Van Owner's Manual page 361

Service and Miles (Kilometers)
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 (n).
Inspect evaporative control system.
An Emission Control Service.
See footnotes † and (k).
Additional Required Services (cont'd)
25,000
(40 000) (80 000)
50,000 75,000
(120 000) (160 000)
•
100,000 125,000
(200 000)
•
•
150,000
(240 000)
•
•
•
6-7