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182
Taking Care of the Unexpected
If the High Coolant/Oil Temperature
Indicator Lights
Normally, the high coolant/oil temperature indicator will only light
momentarily when you turn the ignition ON (
). Occasionally, it may
flicker at or near idling speed.
High coolant/oil temperature may be caused by restriction of air flow
to the radiator (such as mud caked on the radiator), extended idling, an
oil leak, a coolant leak, a low oil level, a low coolant level, or extended
operation under adverse conditions.
If the indicator comes on while youʼre driving, donʼt ignore it. Pull
safely to a stop. Stop the engine as soon as itʼs safe to do so, and let it
cool.
Continuing to drive with high coolant temperature or an overheated
engine can cause serious engine damage.
•
A steaming engine indicates a coolant leak. Shut the engine off and
wait until the steaming stops. Look for a leak, but donʼt touch the
engine or radiator system. Let everything cool off first.
•
Check for any restriction of air flow to the radiator.
•
If thereʼs no obvious problem, leave the engine on so the fan and
coolant circulating system can continue working. Monitor the high
coolant/oil temperature indicator. The indicator may turn off after a
brief stop with no load on the engine.
•
Check the radiator fan.
If the fan is not working, turn the engine off. Open the fuse box (page
185) and check the radiator fan fuse. If the fuse is blown, replace it
with the proper (same rating) spare fuse. Start the engine. If the high
coolant/oil temperature indicator comes on and stays on, turn the
engine off.
If the radiator fan is working, visually check the coolant level in the
reserve tank, located under the front hood. It isnʼt necessary to touch
the radiator system.
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