Cooling System — Drain, Flush And Refill
NOTE:
Some vehicles require special tools to add coolant prop-
erly. Failure to fill these systems properly could lead to
severe internal engine or electrical system damage. If
any coolant is needed to be added to the system please
contact an authorized dealer.
If the engine coolant (antifreeze) is dirty or contains
visible sediment, have an authorized dealer clean and
flush with Organic Additive Technology (OAT) coolant
(conforming to MS.90032).
For the proper maintenance intervals
page 264.
Electric/Battery Coolant System
These coolant systems must be serviced by an autho-
rized dealer. If the coolant level is below what is speci-
fied on the reservoir, contact an authorized dealer for
service.
These systems require the use of high purity water,
such as deionized, or distilled water, when mixing the
water and coolant (antifreeze) solution. The use of
lower quality water will reduce the amount of corrosion
protection in the cooling systems. If the coolant level of
the battery coolant system is low, the Hybrid Electric
Vehicle System Service Light will be illuminated on the
instrument cluster.
Selection Of Coolant
NOTE:
•
Mixing of engine coolant (antifreeze) other than
specified Organic Additive Technology (OAT) engine
coolant, may result in engine damage and may
decrease corrosion protection. OAT engine coolant is
different and should not be mixed with Hybrid
Organic Additive Technology (HOAT) engine coolant
or any “globally compatible” coolant. If a non-OAT
engine coolant is introduced into the cooling system
in an emergency, the cooling system will need to be
drained, flushed, and refilled with fresh OAT coolant
(conforming to MS.90032), by an authorized dealer
as soon as possible.
•
Do not use water alone or alcohol-based engine
coolant products. Do not use additional rust inhibi-
tors or antirust products, as they may not be com-
patible with the radiator engine coolant and may
plug the radiator.
•
This vehicle has not been designed for use with pro-
pylene glycol-based engine coolant. Use of propyl-
ene glycol-based engine coolant is not
recommended.
•
Some vehicles require special tools to add coolant
properly. Failure to fill these systems properly could
lead to severe internal engine damage. If any cool-
ant is needed to be added to the system please con-
tact an authorized dealer.
Adding Coolant
Your vehicle has been built with an improved coolant
(OAT coolant conforming to MS.90032) that allows
extended maintenance intervals. This coolant (anti-
freeze) can be used up to ten years or 150,000 miles
(240,000 km) before replacement. To prevent reducing
this extended maintenance period, it is important that
you use the same coolant (OAT coolant conforming to
MS.90032) throughout the life of your vehicle.
Please review these recommendations for using
Organic Additive Technology (OAT) coolant that meets
the requirements of the manufacturer Material Stan-
dard MS.90032. When adding coolant:
•
We recommend using Mopar® Antifreeze/Coolant
10 Year/150,000 Mile (240,000 km) Formula OAT
that meets the requirements of the manufacturer
Material Standard MS.90032.
•
Mix a minimum solution of 50% OAT coolant that
meets the requirements of the manufacturer Mate-
rial Standard MS.90032 and deionized, or distilled
water. Use higher concentrations (not to exceed
70%) if temperatures below −34°F (−37°C) are
anticipated.
CAUTION!
Use only high purity water such as deionized, or dis-
tilled water when mixing the water/ coolant (anti-
freeze) solution for the engine, battery or high voltage
electronics cooling systems. The use of lower quality
water will reduce the amount of corrosion protection
in the engine cooling system.
SERVICING AND MAINTENANCE 279
8
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