See also:

Engine Overheating
The vehicle has several indicators to warn of engine overheating. There is an engine coolant temperature gauge on the instrument panel cluster. See Engine Coolant Temperature Gauge on page 5‑1 ...

Engine Overheating
If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information. The vehicle has several indicators to warn of engine overheating. There is a coolant temperatu ...

Doing Your Own Service Work
WARNING It can be dangerous to work on your vehicle if you do not have the proper knowledge, service manual, tools, or parts. Always follow owner manual procedures and consult the service manual for ...