Ford F650 Owners Manual

Diesel Engine
At Every Oil Change Interval as Indicated by the Information Display
1
Change the engine oil and filter. 2
Drain the fuel filter water trap.
Refill the diesel exhaust fluid tank.
Rotate the tires 3
, inspect the tires for wear and measure tread depth.
Perform a multi-point inspection (recommended).
Inspect the air filter restriction gauge. Replace the filter if necessary.
Inspect the automatic transmission fluid level. Consult an authorized dealer for
requirements.
Inspect the brake pads,...

Other maintenance items
1
Replace the engine-mounted and frame-mounted fuel
filters. 2
Every 22,000 mi
(36,000 km)
Inspect engine and secondary cooling system coolant
concentration (freeze-point protection), additive (corro-
sion inhibitor) strength, coolant level, and hoses. Add
coolant additive if necessary.3
Every 
30,000 mi
(48,000 km)
Replace the air inlet foam filter.
Every 
45,000 mi
(72,000 km)
Inspect the accessory drive belt(s). 4
At 
90,000 mi
(144,000 km))
Change the rear axle fluid.  See...

Other maintenance items
1
Replace the accessory drive belt(s) if not replaced within
the last 100,000 mi (160,000 km).
Replace the front wheel bearings and seals.
1  You can perform these maintenance items within 
3,000 mi (4,800 km) of the last oil
change. Do not exceed the designated distance for the interval.
2 Every 
22,500 mi (36,000 km) or as indicated by the information display.
3 Every 
30,000 mi (48,000 km), 1200 engine hours or as indicated by the information
display.
Note: When adding coolant...

Towing a Trailer
Inspect and lubricate U-joints.
Inspect frequently, service
as required
See axle maintenance items under Exceptions.
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Every 
5,000 mi (8,000 km)
Rotate tires1
, inspect tires for wear and measure tread
depth.
Change engine oil and filter.
Every 
5,000 mi (8,000 km)
or six months Inspect and lubricate U-joints.
Replace spark plugs.
Every 
60,000 mi
(96,000 km)
1 Vehicles with dual rear wheels should...

Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use
(Such as Delivery, Taxi, Patrol Car or Livery)
Change engine oil and filter.
Every 5,000 mi (8,000 km),
six months or 200 engine
hours
Replace spark plugs.
Every 
60,000 mi
(96,000 km)
1 Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels
only if unusual wear is noted. Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)
Replace engine air filter.
Inspect...

Diesel Engine
If you operate your vehicle primarily in any
of the following conditions, you need to
perform extra maintenance as indicated.
If you operate your vehicle 
occasionally under any of these conditions, it is not
necessary to perform the extra
maintenance. For specific
recommendations, see your dealership
service advisor or technician. Towing a Trailer or Using a Car-top Carrier
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the...

Frequent or Extended Idling (Over 10 Minutes Per Hour of Normal Driving) or Frequent
Low-speed Operation if your Vehicle is Used for Stationary Operation
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
As required
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15,000 mi
(24,000 km), six months or
600 engine hours
Inspect the coolant concentration (freeze-point protec-
tion) and additive...

Frequent Low-speed Operation, Consistent Heavy Traffic Under 24.9 mph (40 km/h)  or
Long Rush-hour Traffic
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
As required
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15,000 mi
(24,000 km), six months or
600 engine hours
Inspect the coolant concentration (freeze-point protec-
tion) and additive (corrosion inhibitor) strength. Add
coolant additive...

Sustained High-speed Driving at Gross Vehicle Weight Rating (Maximum Loaded Weight
for Vehicle Operation)
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
As required
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15,000 mi
(24,000 km), six months or
600 engine hours
Inspect the coolant concentration (freeze-point protec-
tion) and additive (corrosion inhibitor) strength. Add
coolant additive if...

Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)
Inspect the steering and suspension ball joints and tie rods.
Lubricate any grease fittings.
Change the engine oil and filter. 2
Every 7,500 mi (12,000 km),
six months or 300 engine
hours Inspect and lubricate the U-joints.
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15,000 mi
(24,000 km), 6 months or
600 engine hours
Replace the air inlet foam filter.
Every 
30,000 mi
(48,000 km)
1 Vehicles with dual rear wheels...