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Extensive Idling or Low-speed Driving for Long Distances as in
Heavy Commercial Use (i.e., Delivery, Taxi, Patrol Car or
Livery)
Inspect frequently,
service as required
Replace engine air filter.
Every 5000 miles
(8000 km)
Inspect brake system.
Inspect wheels and related components for
abnormal noise, wear, looseness or drag.
Lubricate control arm and steering ball joints if
equipped with grease fittings.
Rotate tires, inspect tires for wear and
measure tread depth.
Every 5000 miles
(8000 km) or six
months
Change engine oil and filter.
*
Every 60000 miles
(96000 km)
Change transfer case fluid (4WD vehicles).
Replace spark plugs.
*
Reset your oil life monitoring system after each engine oil and filter
change. See the Instrument Cluster chapter.
Operating in Dusty or Sandy Conditions Such as Unpaved or
Dusty Roads
Inspect frequently,
service as required
Replace engine air filter.
Every 5000 miles
(8000 km)
Inspect the wheels and related components for
abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and
measure tread depth.
Every 5000 miles
(8000 km) or six
months
Change engine oil and filter.
*
Inspect and lubricate U-joints, if equipped with
grease fittings.
Every 60000 miles
(96000 km)
Change transfer case fluid (4WD vehicles).
*
Reset your oil life monitoring system after each engine oil and filter
change. See the Instrument Cluster chapter.
362 Scheduled Maintenance
2013 Navigator (nav)
Owners Guide gf, 1st Printing
USA (fus)
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