If you live in Canada, and you believe that your
vehicle has a safety defect, notify Transport Canada
immediately, in addition to notifying General Motors of
Canada Limited. Call them at 1-800-333-0510 or
write to:
Transport Canada
Road Safety Branch
2780 Sheffield Road
Ottawa, Ontario K1B 3V9
Chevrolet Cobalt Service & Repair Manual. Thermostat, Replace
1.
Remove intake manifold cover.
2.
Drain cooling system into suitable
container. A drain plug is located at the bottom of water pump.
3.
Disconnect Engine Coolant Temperature
(ECT) sensor electrical co ...