Ford F-650/750 (2018 year). Manual — part 81

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, shoes, rotors, drums, brake linings, hoses and parking brake.

Inspect the engine and secondary coolant concentration (freeze-point protection), level
and hoses.

Inspect the exhaust system and heat shields.

Inspect the steering linkage, ball joints, suspension, tie-rod ends, driveshaft and U-joints.
Lubricate components equipped with grease fittings.

Inspect front oil hubs for leaks and check fluid level through hub cap sight glass.

1

Do not exceed one year or 10,000 mi (16,000 km) between service intervals.

2

Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. See Oil Change

Indicator Reset (page 194).

3

Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels

only if unusual wear is noted.

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 Special Operating

Conditions Scheduled Maintenance (page 330).

5

At 100,000 mi
(160,000 km)

Change the engine and secondary cooling system coolant.

6

Every 105,000 mi
(168,000 km)

Change crankcase ventilation filter.

Change the automatic transmission fluid and filter. Consult
an authorized dealer for requirements.

Every 150,000 mi
(240,000 km)

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 additive, do not exceed the specified maximum of 50 fl oz
(1.4 L) for the engine and 20 fl oz (473 ml) for the secondary cooling system. Operating the
engine with excessive coolant additive may cause overheating which could lead to severe,
permanent engine damage.

4

Perform follow-up inspections every 15,000 mi (24,000 km) after the initial inspection.

Replace the belt(s) at 150,000 mi (240,000 km).

5

Change the fluid again at 150,000 mi (240,000 km).

6

Initial replacement is at six years or 105,000 mi (168,000 km), then every three years or

45,000 mi (72,000 km).

SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE

Gasoline Engines

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

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 tires

1

, 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 rotate the front wheels when specified; rear wheels

only if unusual wear is noted.

Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use

(Such as Delivery, Taxi, Patrol Car or Livery)

Replace engine air filter.

Inspect frequently, service
as required

Inspect brake system.

Every 5,000 mi (8,000 km)

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

1

, inspect tires for wear and measure tread

depth.

Inspect and lubricate U-joints.

Every 5,000 mi (8,000 km)
or six months