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
Crankcase Ventilation System Inspection/Diagnosis (Without Turbocharger) Emissions PCV
Special ToolsEN 23951Valve ManometerRemove the oil level indicator. Install aEN 23951valve manometeror equivalent.Start the engine.Check for slight vacuum. The vacuum level should be less than3.377-kPa (1-in-Hg).If vacuum is higher, inspect and verify that the clean airhose from cam cover to air int ...