In addition to notifying NHTSA (or Transport Canada) in a situation like this, notify General Motors.
Call 1-800-222-1020, or write: Chevrolet Motor Division Chevrolet Customer Assistance Center P.O. Box 33170 Detroit, MI 48232-5170 In Canada, call 1-800-263-3777 (English) or 1-800-263-7854 (French), or write: General Motors of Canada Company Customer Care Centre, Mail Code: CA1-163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7
Engine Coolant Thermostat Replacement (LEA) Engine Cooling Thermostat
Engine Coolant Thermostat ReplacementCalloutComponent NamePreliminary ProceduresRaise the vehicle by its full height. Refer toLifting and Jacking the Vehicle.Draining the cooling system. Refer toCooling System Draining and Filling.Disconnect the engine coolant outlet hose and the radiator surge tank ...