Buick Enclave: Recommended Fluids, Lubricants, and

 Engine Exhaust

WARNING Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if: ► The vehicle idles in areas with poor ventilation (parking garages, tunnels, deep snow that may block underbo

 Inspection Procedures

* PLEASE READ THIS FIRST * NOTE: Examples used in this article are general in nature and do not necessarily relate to a specific engine or system. Illustrations and procedures have been chosen to guide mechanic through engine overhaul process. Descriptions of processes of cleaning, inspection, asse