Instruments and Controls 4-19
Engine Coolant
Temperature Gauge
This gauge shows the engine
coolant temperature.
The warning area at the far end of
the gauge may appear shaded or
may be colored red.
If the pointer approaches the
warning area, or the shaded
thermostat symbol the engine
may be too hot.
Under some driving conditions,
including those listed below, it is
normal for the temperature to rise
above the usual operating range
and approach the far end of the
gauge:
.
stop and go driving in heavy
traffic
.
high speed operation in warm
weather
.
uphill driving
.
trailer towing or hauling a
heavy load
It is normal for the reading to
fluctuate.
A warning light also illuminates
when the engine is too hot.
If the gauge pointer reaches the
warning area or the shaded
thermostat symbol at the far end of
the gauge and remains there for
more than 30 seconds, the engine
coolant has overheated.
If the engine coolant has
overheated, pull over and stop
the vehicle as soon as it is safe to
do so. Then, turn the engine off
immediately.
See Engine Coolant Temperature
Warning Light on page 4‑28 and
Engine Overheating on page 9‑22
for more information.
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