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324 SERVICING AND MAINTENANCE
(Continued)
the engine and allow it to cool. Service,
including a tune-up to manufacturer's specifica-
tions, should be obtained immediately.
To minimize the possibility of catalytic converter
damage:
Do not interrupt the ignition when the trans-
mission is in gear and the vehicle is in
motion.
Do not try to start the vehicle by pushing or
towing the vehicle.
Do not idle the engine with any ignition
components disconnected or removed, such
as when diagnostic testing, or for prolonged
periods during very rough idle or malfunc-
tioning operating conditions.
Cooling System
Coolant Checks
Check the engine, battery (if equipped), inter-
cooler (if equipped), and Motor Generator Unit
(MGU) (if equipped) coolant (antifreeze) protec-
tion every 12 months (before the onset of
freezing weather, where applicable). If the
engine, battery (if equipped), intercooler (if
equipped), and MGU (if equipped) coolant (anti-
freeze) is dirty or rusty in appearance, the
system should be drained, flushed and refilled
with fresh OAT coolant (conforming to
MS.90032) by an authorized dealer. Check the
front of the A/C condenser (if equipped) or radi-
ator for any accumulation of bugs, leaves, etc. If
dirty, clean by gently spraying water from a
garden hose vertically down the face of the A/C
condenser (if equipped) or the back of the radi-
ator core.
Check the engine, battery (if equipped), inter-
cooler (if equipped), and MGU (if equipped)
cooling system hoses for brittle rubber,
cracking, tears, cuts, and tightness of the
connection 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 System — Drain, Flush And Refill
NOTE:
Some vehicles require special tools to add
coolant properly. Failure to fill these systems
properly could lead to severe internal engine
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 OAT coolant (anti-
freeze) (conforming to MS.90032).
Refer to the “Maintenance Plan” in this section
for the proper maintenance intervals.
WARNING!
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.
Keep hands, tools, clothing, and jewelry
away from the radiator cooling fan when
the hood is raised. The fan starts automati-
cally and may start at any time, whether the
engine is running or not.
When working near the radiator cooling fan,
disconnect the fan motor lead or turn the
ignition to the OFF mode. The fan is
temperature controlled and can start at any
time the ignition is in the ON mode.
WARNING! (Continued)
20_JL_OM_EN_USC_t.book Page 324
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