2015 Jeep Grand Cherokee Owner Manual Supplement - Page 94

2015 Jeep Grand Cherokee Manual

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92 MAINTAINING YOUR VEHICLE 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 your local authorized dealer. Cooling System Pressure Cap The cap must be fully tightened to prevent loss of engine coolant (antifreeze), and to ensure that the engine coolant (antifreeze) will return to the radiator from the coolant expansion bottle. The cap should be inspected and cleaned if there is any • Mixing engine coolant (antifreeze) types is not recom- accumulation of foreign material on the sealing surfaces. mended and can result in cooling system damage. If HOAT and OAT coolant are mixed in an emergency, have WARNING! a authorized dealer drain, flush, and refill with OAT • Do not open hot engine cooling system. Never add coolant (conforming to MS.90032) as soon as possible. engine coolant (antifreeze) when the engine is overheated. Do not loosen or remove the cap to cool an overheated engine. 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. (Continued)

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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 your
local authorized dealer.
•
Mixing engine coolant (antifreeze) types is not recom-
mended and can result in cooling system damage. If
HOAT and OAT coolant are mixed in an emergency, have
a authorized dealer drain, flush, and refill with OAT
coolant (conforming to MS.90032) as soon as possible.
Cooling System Pressure Cap
The cap must be fully tightened to prevent loss of engine
coolant (antifreeze), and to ensure that the engine coolant
(antifreeze) will return to the radiator from the coolant
expansion bottle.
The cap should be inspected and cleaned if there is any
accumulation of foreign material on the sealing surfaces.
WARNING!
•
Do not open hot engine cooling system. Never add
engine coolant (antifreeze) when the engine is
overheated. Do not loosen or remove the cap to cool
an
overheated
engine.
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.
(Continued)
92
MAINTAINING YOUR VEHICLE