2011 GMC Savana 1500 Cargo Owner's Manual - Page 370

11-4 . Service and Maintenance Additional Required Services At the First 160 km/100 Miles, 1 600 km/1,000 Miles, and 10 000 km/6,000 Miles . Restraint system component check. See Safety System Check on page 3‑22. Fuel system inspection for damage or leaks. Exhaust system and nearby heat shields inspection for loose or damaged components. Vehicles with diesel engine or GVWR above 4 536 kg (10,000 lbs) only: Shields inspection for damage or looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable to vehicles sold in the United States and recommended for vehicles sold in Canada. Once a Month . . Tire inflation pressures check. See Tire Pressure on page 10‑58. Tire wear inspection. See Tire Inspection on page 10‑64. See Starter Switch Check on page 10‑37. See Automatic Transmission Shift Lock Control Function Check on page 10‑37. See Ignition Transmission Lock Check on page 10‑38. See Park Brake and P (Park) Mechanism Check on page 10‑38. Accelerator pedal check for damage, high effort, or binding. Replace if needed. Underbody flushing service. . . For vehicles with dual wheels: Check dual wheel nut torque. For proper torque, see Capacities and Specifications on page 12‑2. Rotate tires. Tires should be rotated every 12 000 km/ 7,500 mi. See Tire Rotation on page 10‑64. Engine oil level check. See Engine Oil on page 10‑10. Engine coolant level check. See Engine Coolant on page 10‑22. Windshield washer fluid level check. See Washer Fluid on page 10‑30. . Once a Year . Every 12 000 km/7,500 Miles . . . At Each Fuel Stop . . . . . .