Ford F-650/750 (2018 year). Manual - part 82

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 frequently, service
as required

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.

1

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

only if unusual wear is noted.

Off-road Operation

Inspect steering linkage, ball joints and U-joints, Lubricate
if equipped with grease fittings.

Inspect frequently, service
as required

Replace engine air filter.

Change engine oil and filter.

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

Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.

Rotate tires

1

, inspect tires for wear and measure tread

depth.

1

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

only if unusual wear is noted.

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
scheduled maintenance chart.

As required

See the axle maintenance items under Exceptions.

Replace the engine-mounted and frame-mounted fuel
filters.

Every 15,000 mi
(24,000 km) or six months,
600 engine hours

Inspect the coolant concentration (freeze-point protec-
tion) and additive (corrosion inhibitor) strength. Add
coolant additive if necessary.

Every 30,000 mi
(48,000 km) or 1200 engine
hours

Flush and refill the coolant. Do not add coolant additive.

Every 60,000 mi
(96,000 km) or 2400
engine hours

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.

Note: After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.

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 (corrosion inhibitor) strength. Add
coolant additive if necessary.

Every 30,000 mi
(48,000 km) or 1200 engine
hours

Flush and refill the coolant. Do not add coolant additive.

Every 60,000 mi
(96,000 km) or 2400
engine hours

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.

Note: After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.

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 if necessary.

Every 30,000 mi
(48,000 km) or 1200 engine
hours

Flush and refill the coolant. Do not add coolant additive.

Every 60,000 mi
(96,000 km) or 2400
engine hours

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.

Note: After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.