Chevrolet 2010 Cobalt Owner's Manual page 410

First Engine Oil Change After Every
40 000 km/25,000 Miles
Fuel system inspection for damage or leaks.
First Engine Oil Change After Every
80 000 km/50,000 Miles
Engine air cleaner filter replacement.
See Engine Air Cleaner/Filter (2.0L Turbo Engine)
on page 6 23 or Engine Air Cleaner/Filter
(2.2L Engine) on page 6 25.
Automatic transmission fluid change (severe
service only) for vehicles mainly driven in heavy
city traffic in hot weather, in hilly or mountainous
terrain, when frequently towing a trailer, or used for
taxi, police, or delivery service. See Automatic
Transmission Fluid on page 6 27.
7-6
First Engine Oil Change After Every
160 000 km/100,000 Miles
Spark plug replacement. An Emission Control
Service.
First Engine Oil Change After Every
240 000 km/150,000 Miles
Engine cooling system drain, flush, and refill,
cooling system and cap pressure check, and
cleaning of outside of radiator and air conditioning
condenser (or every 5 years, whichever occurs
first). See Engine Coolant on page 6 29. An
Emission Control Service.
Engine accessory drive belt inspection for fraying,
excessive cracks, or obvious damage and
replacement, if needed. An Emission Control
Service.
I n f o r ma t i o n P r o v i d e d b y :