184 SERVICING AND MAINTENANCE
traction system coolant will return to the radiator from
the coolant recovery tank.
adequate. With engine off and cold, the level of the
motor coolant (antifreeze) in the bottle should be
between the “MIN” and “MAX” marks.
● Make sure that the coolant expansion bottle
overflow hoses are not kinked or obstructed.
The cap should be inspected and cleaned if there is
any accumulation of foreign material on the sealing
surfaces.
● Keep the front of the radiator clean. If your vehicle is
equipped with air conditioning, keep the front of the
condenser clean.
Cooling System Notes
NOTE:
● 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 traction system cooling
performance, poor gas mileage, and increased
emissions.
WARNING!
When the vehicle is stopped after a few miles/
kilometers of operation, you may observe vapor coming
from the front of the engine compartment. This
is normally a result of moisture from rain, snow,
or high humidity accumulating on the radiator and
being vaporized when the thermostat opens, allowing
hot traction system coolant (antifreeze) to enter the
radiator.
● Do not open hot traction cooling system. Never
add traction system coolant (antifreeze) when the
motor is overheated. Do not loosen or remove the
cap to cool an overheated motor. Heat causes
pressure to build up in the cooling system. To
prevent scalding or injury, do not remove the
pressure cap while the system is hot or under
pressure.
BRAKE SYSTEM
In order to ensure brake system performance, all brake
system components should be inspected periodically
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.
page 178.
● Do not use a pressure cap other than the one
specified for your vehicle. Personal injury or motor
damage may result.
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● Do not overfill the coolant expansion bottle.
WARNING!
● Check the coolant freeze point in the radiator and
in the coolant expansion bottle. If traction system
coolant needs to be added, the contents of the
coolant expansion bottle must also be protected
against freezing.
Riding the brakes can lead to brake failure and
possibly a collision. Driving with your foot resting or
riding on the brake pedal can result in abnormally
high brake temperatures, excessive lining wear, and
possible brake damage. You would not have your full
braking capacity in an emergency.
Disposal Of Used Coolant
Used ethylene glycol-based coolant (antifreeze) is a
regulated substance requiring proper disposal. Check
with your local authorities to determine the disposal
rules for your community. To prevent ingestion by
animals or children, do not store ethylene glycol-based
coolant in open containers or allow it to remain in
puddles on the ground. If ingested by a child or pet,
seek emergency assistance immediately. Clean up any
ground spills immediately.
● If frequent traction system coolant additions are
required, the cooling system should be pressure
tested for leaks.
Fluid Level Check — Brake Master
Cylinder
● Maintain engine coolant concentration at a
minimum of 50% OAT coolant (conforming to
MS.90032) and distilled water for proper corrosion
protection of your traction system which contains
aluminum components.
The fluid level of the master cylinder should be
checked when performing under the hood service
or immediately if the Brake System Warning Light
indicates system failure. If necessary, add fluid to bring
level within the designated marks on the side of the
Coolant Level
The coolant expansion bottle provides a quick visual
method for determining that the coolant level is
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