GMC Savana 2016 Owner's Manual page 300

Maintenance Schedule
Additional Required
Services - Severe
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.
Lubricate the steering linkage.
Inspect evaporative control system. (1)
Replace engine air cleaner filter. (2)
Change automatic transmission fluid and filter.
Replace spark plugs. Inspect spark plug wires.
Drain and fill engine cooling system. (3)
Visually inspect accessory drive belts. (4)
Replace brake fluid. (5)
Footnotes Maintenance
Schedule Additional Required
Services - Severe
(1) Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition.
(2) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(3) Or every five years, whichever
comes first. See Cooling System
0 224.
(4) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(5) Replace brake fluid every five
years. See Brake Fluid 0 232.
Service and Maintenance
Special Application
Services
Vehicles with Dual Wheels:
Check dual wheel nut torque at
160, 1 600 and 10 000 km
(100, 1,000 and 6,000 mi) of
driving. Repeat this service
whenever a tire/wheel is
serviced or removed.
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