U.S.: 1-800-243-8872
TTY Users (U.S. Only): 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Chevrolet, you are automatically enrolled in the Roadside Assistanceprogram.
SeeRoadside Assistance Program.
Using this Manual
Scan Tool Snapshot ProcedureExhaust Manifold Cleaning and Inspection (LAF, LEA, or LUK) Exhaust Exhaust Manifold
Note:Do not reuse the exhaustmanifold-to-cylinder head gaskets. Uponinstallation of the exhaust manifold, install a NEW gasket. Animproperly installed gasket or leaking exhaust system may effectOn-Board Diagnostics-(OBD) II systemperformance.Remove the oxygen sensor prior to cleaning the manifold. D ...