Performance and Maintenance

See also:

Engine Coolant Temperature Gauge
Metric English This gauge shows the engine coolant temperature. Under normal driving conditions the gauge will read approximately 100°C (210°F) or less. If the gauge pointer is near 125°C (26 ...

Trailer Towing
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. If the vehicle is a hybrid, see the hybrid supplement for more information. Do not tow a trailer during br ...

Cooling System
The cooling system allows the engine to maintain the correct working temperature. A. Engine Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Cooling Fans (Out of View) WARNING An electr ...