2009 GMC Savana Van Owner's Manual - Page 361

Additional Required Services (cont'd) 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). • • 25,000 (40 000) 50,000 (80 000) 75,000 (120 000) 100,000 (160 000) • 125,000 (200 000) 150,000 (240 000) • • • 6-7