CHANGING THE ENGINE AIR
FILTER
WARNING
To reduce the risk of vehicle damage
and personal burn injuries, do not start
your engine with the air cleaner removed
and do not remove it while the engine is
running.
Note: Failure to use the correct air filter
element may result in severe engine
damage. Resulting component damage may
not be covered by the vehicle Warranty.
When changing the air filter element, use
only the air filter element listed. See
Motorcraft Parts (page 329).
Change the air filter element at the correct
interval. See Scheduled Maintenance (page
353).
E163755
1. Locate the mass air flow sensor electrical
connector on the air outlet tube.
Disconnect the mass air flow sensor
electrical connector.
E163756
2. Reposition the locking clip on the
connector (connector shown from below
for clarity), squeeze the connector and
pull it off of the air outlet tube.
E163757
3. Clean the area from around the air tube
to the air cover connection to prevent
debris from entering the system. Next,
loosen the bolt on the air tube clamp so
the clamp is no longer snug to the air
tube. It is not necessary to completely
remove the clamp.
4. Pull the air tube off from the air cleaner
housing.
284
Navigator (TB5) Canada/United States of America, enUSA, First Printing
Maintenance
