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Note: When servicing the air filter, do not
allow foreign material to enter the air
induction system. The engine is susceptible
to damage from even small particles.
E361422
1.
Release the two clips securing the air
filter housing cover to the housing.
2. Carefully lift the air filter housing cover.
3. Remove the air filter element from the
air filter housing.
4. To install, reverse the removal
procedure.

COOLANT

CHECKING THE COOLANT LEVEL
WARNING: Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for the cooling system to cool
down. Cover the coolant reservoir cap
with a thick cloth to prevent the
possibility of scalding and slowly remove
the cap. Failure to follow this instruction
could result in personal injury.
2024 Ranger (TRD) Canada/United States of America, enUSA, Edition date: 202304, DOM
Maintenance
WARNING: To reduce the risk of
personal injury, make sure the engine is
cool before unscrewing the coolant
pressure relief cap. The cooling system
is under pressure. Steam and hot liquid
can come out forcefully when you loosen
the cap slightly.
When the engine is cold, check the
concentration and level of the coolant at
the intervals listed in the scheduled
maintenance information. See Scheduled
Maintenance (page 534).
Note: Make sure that the coolant level is
between the MIN and the MAX marks on
the coolant reservoir.
Note: Coolant expands when it is hot. The
level may extend beyond the MAX mark.
This is normal.
Maintain coolant concentration within
48% to 50%, which equates to a freeze
point between -29°F (-34°C) and -35°F
(-37°C). Coolant concentration should be
checked using a refractometer. We do not
recommend the use of hydrometers or
coolant test strips for measuring coolant
concentration.
ADDING COOLANT
WARNING: Do not add coolant
when the vehicle is on or the cooling
system is hot. Failure to follow this
instruction could result in personal injury.
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