spark plugs replace FORD F-550 2021 Owners Manual

Motorcraft Part number
Component
FT-221
Ten-speed automatic transmission fluid
filter (10R140).
WW-2248
Windshield wiper blades.
1 If a Motorcraft® oil filter is not available, use an oil filter that meets industry performance
specification SAE/USCAR-36/USC-D.
2 For spark plug replacement, contact your authorized dealer. Replace the spark plugs at
the recommended intervals. See Normal Scheduled Maintenance (page 568).
We recommend Motorcraft® parts that are available at your authorized dealer or at
www.fordparts.com. These parts are engineered for your vehicle, and meet or exceed our
specifications. Use of other parts could impact vehicle performance, emissions and
durability. Your warranty could be void for any damage related to use of other parts.
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Less Cost to Properly Maintain Your
Vehicle
Ford Protect extended service plan also
offers a Premium Maintenance Plan that
covers all scheduled maintenance, and
selected wear items. The coverage is
prepaid, so you never have to worry about
the cost of your vehicle
’s maintenance.
Covered maintenance includes:
• Windshield wiper blades.
• Spark plugs.
• The clutch disc (if equipped).
• Brake pads and linings.
• Shock absorbers.
• Struts.
• Engine Belts.
• Engine coolant hoses, clamps and
o-rings.
• Diesel exhaust fluid replenishment (if
equipped).
• Cabin air filter replacement every
20,000 mi (32,000 km) (electric
vehicles only).
Interest Free Finance Options
Just a 5% down payment will provide you
with an affordable, no interest, no fee
payment program allowing you all the
security and benefits Ford Protect
extended service plan has to offer while
paying over time. You are pre-approved
with no credit check or hassles. To learn
more, call our Ford Protect extended
service plan specialists at 800-367-3377.
Ford Protect Extended Service Plan
P.O. Box 321067
Detroit, MI 48232 Ford Protect Extended Service
Plan (CANADA ONLY)
You can get more protection for your
vehicle by purchasing a Ford Protect
extended service plan. Ford Protect
extended service plan is the only service
contract backed by Ford Motor Company
of Canada, Limited. Depending on the plan
you purchase, Ford Protect extended
service plan provides benefits such as:
•
Rental reimbursement.
• Coverage for certain maintenance and
wear items.
• Protection against repair costs after
your New Vehicle Limited Warranty
Coverage expires.
• Roadside Assistance benefits.
There are several Ford Protect extended
service plans available in various time,
distance and deductible combinations.
Each plan is tailored to fit your own driving
needs, including reimbursement for towing
and rental. When you purchase Ford
Protect extended service plan, you receive
added peace-of-mind protection
throughout Canada, the United States and
Mexico, provided by a network of
participating authorized Ford Motor
Company dealers.
Note: Repairs performed outside of Canada
and the United States are not eligible for
Ford Protect extended service plan
coverage.
This information is subject to change. For
more information; visit your local Ford of
Canada dealer or www.ford.ca to find the
Ford Protect extended service plan that is
right for you.
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Other Maintenance Items
Replace the cabin air filter.
Every 20,000 mi
(32,000 km)
Replace the engine air filter.
Every
30,000 mi
(48,000 km)
Replace the front wheel bearing grease and grease seal, if
you use non-sealed bearings.
Every
60,000 mi
(96,000 km)
Replace the spark plugs.
Every
100,000 mi
(160,000 km)
Inspect the accessory drive belt or belts. 1
Every
100,000 mi
(160,000 km)
Change the automatic transmission fluid and filter. Consult
dealer for requirements.
Every
150,000 mi
(240,000 km) Replace the accessory drive belt or belts if not replaced within
the last 100,000 mi (160,000 km).
Replace the front wheel bearings and seals if you use non-
sealed bearings.
Change the axle(s) fluid. See exceptions.
Change the transfer case fluid, if applicable.
Change the engine coolant. 2
At
200,000 mi
(320,000 km)
1 If not replaced, inspect the belt or belts every
15,000 mi (24,000 km).
2 Initial replacement at 10 years or 200,000 mi (320,000 km), then every 5 years or
100,000 mi (160,000 km).
Diesel Engine
Electronic Air Filter Maintenance
Minder
Diesel engines have an electronic air filter
maintenance minder that indicates the
status of the engine air filter. You can find
this information within the Vehicle
Maintenance menu, in the information
displays. One of three indications are
possible:
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

Towing a Trailer or Using a Car-top Carrier
Inspect and lubricate the U-joints grease fittings - if
applicable.
Inspect frequently, service
as required
See the 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, inspect tires for wear and measure tread
depth.1
Change the engine oil and filter.
Every
5,000 mi (8,000 km)
or six months. Inspect and lubricate the U-joints grease fittings. - if
applicable.
Replace the front wheel bearing grease and grease seals
if you use non-sealed bearings.
Every
30,000 mi
(48,000 km)
Change the transfer case fluid, four-wheel drive vehicles.
Every
60,000 mi
(96,000 km) Replace the spark plugs.
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear. Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use
- Such as Delivery, Taxi, Patrol Car or Livery
Replace the engine air filter.
Inspect frequently, service
as required
Replace the cabin air filter.
Inspect the brake system.
Every
5,000 mi (8,000 km)
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Lubricate the control arm and steering ball joints grease
fittings - if applicable.
Rotate the tires, inspect tires for wear and measure the
tread depth.1
Inspect and lubricate the U-joints grease fittings - if
applicable.
Every
5,000 mi (8,000 km)
or six months
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use
- Such as Delivery, Taxi, Patrol Car or Livery
Change the engine oil and filter.
Every 5,000 mi (8,000 km)
or six months or 200 engine
hours.
Replace the front wheel bearing grease and grease seals
if you use non-sealed bearings.
Every
30,000 mi
(48,000 km)
Replace the spark plugs.
Every
60,000 mi
(96,000 km)
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear. Operating in Dusty or Sandy Conditions - Such as Unpaved or Dusty Roads
Replace engine air filter.
Inspect frequently, service
as required
Replace cabin air filter.
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Every
5,000 mi (8,000 km)
Rotate tires, inspect tires for wear and measure tread
depth.1
Change engine oil and filter.
Every
5,000 mi (8,000 km)
or six months Inspect and lubricate U-joints if equipped with grease
fittings.
Replace front wheel bearing grease and grease seals if
non-sealed bearings are used.
Every
30,000 mi
(48,000 km)
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear. Off-road operation
Inspect the steering linkage, ball joints and the U-joints,
Lubricate grease fittings - if applicable.
Inspect frequently, service
as required
Replace the engine air filter.
Change the engine oil and filter.
Every
5,000 mi (8,000 km)
or six months Replace the cabin air filter.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance