2015 FORD SUPER DUTY Diesel Supplement Manual

Page 49 of 84

FORD SUPER DUTY 2015 3.G Diesel Supplement Manual WARNINGS
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

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FORD SUPER DUTY 2015 3.G Diesel Supplement Manual For vehicles with overflow coolant systems
with a non-pressurized cap on the coolant
recovery system, add coolant to the
coolant recovery reservoir when the engine
is cool. Add prediluted engine coola

Page 51 of 84

FORD SUPER DUTY 2015 3.G Diesel Supplement Manual 10.
Engine cooling system: Repeat
Step 5 until the coolant level has
stabilized (is no longer dropping after
each step) AND the upper radiator
hose at the radiator is warm to the
touch (indicating tha

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FORD SUPER DUTY 2015 3.G Diesel Supplement Manual coolant concentration (freeze point
protection) and corrosion inhibitor additive
level (strength) of the coolant for
maximum engine performance and
protection. Three products are available
to confirm

Page 53 of 84

FORD SUPER DUTY 2015 3.G Diesel Supplement Manual Coolant Change
At specific mileage intervals, as listed in
the scheduled maintenance information,
the coolant should be changed. The
optional information display, if equipped,
will also display the me

Page 54 of 84

FORD SUPER DUTY 2015 3.G Diesel Supplement Manual air filter when the restriction gauge reads
near the change filter line and the gauge
is yellow. If you allow the restriction gauge
to reach maximum restriction you can
affect your engine performance

Page 55 of 84

FORD SUPER DUTY 2015 3.G Diesel Supplement Manual 1. Locate the mass airflow sensor
electrical connector on the air inlet
tube. This connector will need to be
unplugged. Unlock the locking clip on
the connector, then squeeze and pull
the connector of

Page 56 of 84

FORD SUPER DUTY 2015 3.G Diesel Supplement Manual 4. Remove and install a new foam filter
if needed according to the service
interval indicated in the scheduled
maintenance information in this guide.
If you do not replace the foam filter, be
sure the