GMC Sierra Owners Manual

Engine Coolant Temperature Gauge
Instruments and Controls / Warning Lights, Gauges, and Indicators / Engine Coolant Temperature Gauge

GMS Sierra: Engine Coolant Temperature Gauge. Metric
Metric

GMS Sierra: Engine Coolant Temperature Gauge. English
English

This gauge shows the engine coolant temperature.

It also provides an indicator of how hard the vehicle is working. During a majority of the operation, the gauge reads 100°C (210°F) or less.

If pulling a load or going up hills, it is normal for the temperature to fluctuate and go over the 113°C (235°F) mark. If the gauge reaches the 125°C (260°F) mark, it indicates that the cooling system is working beyond its capacity.

See Engine Overheating on page 10‑23.

If the vehicle is a hybrid, see the hybrid supplement for more information.


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