If an examination of your engine compartment shows
no evidence of radiator or hose leaks, the vehicle may
be safely driven. The vapor will soon dissipate.
•
Do not overfill the coolant expansion bottle.
•
Check the coolant freeze point in the radiator and in
the coolant expansion bottle. If engine coolant
needs to be added, the contents of the coolant
expansion bottle must also be protected against
freezing.
•
If frequent engine coolant additions are required,
the cooling system should be pressure tested for
leaks.
•
Maintain engine coolant concentration at a mini-
mum of 50% OAT coolant (conforming to MS.90032)
and distilled water for proper corrosion protection of
your engine which contains aluminum components.
•
Make sure that the coolant expansion bottle over-
flow hoses are not kinked or obstructed.
•
Keep the front of the radiator clean. If your vehicle is
equipped with air conditioning, keep the front of the
condenser clean.
•
Do not change the thermostat for Summer or Winter
operation. If replacement is ever necessary, install
ONLY the correct type thermostat. Other designs
may result in unsatisfactory engine cooling perfor-
mance, poor gas mileage, and increased emissions.
COOLING SYSTEM — HYBRID
MODELS (IF EQUIPPED)
WARNING!
•
Turn vehicle off and disconnect the fan motor lead
before working near the radiator cooling fan.
•
You or others can be badly burned by hot engine
coolant (antifreeze) or steam from your radiator. If
you see or hear steam coming from under the
hood, do not open the hood until the radiator has
had time to cool. Never open a cooling system
pressure cap when the radiator or coolant bottle is
hot.
•
Do not put your hands, tools, clothing, and jewelry
near the radiator cooling fan. The fan may start at
any time, whether the ignition is on or off.
This vehicle is equipped with an electric cooling fan
mounted behind the radiator that starts automatically,
and may start at any time. Your vehicle may determine
the fan needs to start and to run if vehicle coolant is
too hot, or if the ambient air temperature is too high.
Even after the vehicle is turned off, the fan may start
without warning and run for several minutes. Be aware
of this if you are working in the engine compartment.
Always keep fingers and tools away from the fan blades.
The radiator fan and surrounding components must be
serviced by an authorized dealer.
Engine Coolant Checks
Check the engine coolant (antifreeze) every 12 months
(before the onset of freezing weather, where appli-
cable). If the engine coolant is dirty, the system should
be drained, flushed, and refilled with fresh Organic
Additive Technology (OAT) coolant (conforming to
MS.90032) by an authorized dealer. Check the front of
the A/C condenser for any accumulation of bugs,
leaves, etc. If dirty, clean by gently spraying water from
a garden hose vertically down the face of the
condenser.
NOTE:
If the engine coolant is changed for low temperature
capability, you must also change the coolant for the
Electric/Battery systems
page 279.
Check the engine cooling system hoses for brittle rub-
ber, cracking, tears, cuts, and tightness of the connec-
tion at the coolant recovery bottle and radiator. Inspect
the entire system for leaks. DO NOT REMOVE THE
COOLANT PRESSURE CAP WHEN THE COOLING SYSTEM
IS HOT.
Cooling Fan Warning Label
278 SERVICING AND MAINTENANCE
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