2023 FORD F650/750 spark plugs replace

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 48232Ford 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.
318
Ford Protect

Other Maintenance Items
Replace the engine air filter. Every 30,000 mi
(48,000 km)
Replace the front wheel bearing grease and grease seal
if you have non-sealed bearings. Every 60,000 mi
(96,000 km)
Replace the spark plugs.
Every 97,000 mi
(156,000 km)
Replace the spark plug wires.
Change the rear axle fluid. See Special Operating
Conditions Scheduled Maintenance (page 329).
Every 105,000 mi
(168,000 km)
Inspect the accessory drive belt or belts.
1
Change the automatic transmission fluid and filter. Consult
an authorized 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 have
non-sealed bearings.
Change the engine coolant.
2Every 200,000 mi
(320,000 km)
1 If not replaced, inspect every 15,000 mi (24,000 km).2 Initial replacement at 10 years or 200,000 mi (320,000 km), then every five years or
100,000 mi (160,000 km).
Diesel Engine
Note:Do not exceed the mileage or time
intervals.
At Every Oil Change Interval as Indicated by the Information Display1
Change the engine oil and filter.2
Drain the fuel filter water trap.
Refill the diesel exhaust fluid tank.
Rotate the tires, inspect the tires for wear and measure the tread depth.
3
326
Scheduled Maintenance

SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE
Gasoline Engines
If you operate your vehicle primarily in anyof 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 the 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)
Change the engine oil and filter. Every 5,000 mi (8,000 km)
or six months
Inspect and lubricate U-joints.
Rotate the tires
1and inspect them for wear, and measure
the tread depth. Every 7,500 mi (12,000 km)
Replace the spark plugs. Every 60,000 mi
(96,000 km)
Replace the spark plug wires.
1Rotate 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 engine air filter. Inspect frequently, service
as required
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 if
equipped with grease fittings.
Inspect and lubricate U-joints. Every 5,000 mi (8,000 km)
or six months
329
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),
six months or 200 engine
hours
Rotate the tires
1 and inspect them for wear, and measure
the tread depth. Every 7,500 mi (12,000 km)
Replace the spark plugs. Every 60,000 mi
(96,000 km)
1Rotate 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 the 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)
Change the engine oil and filter. Every 5,000 mi (8,000 km)
or six months
Inspect and lubricate U-joints.
Rotate the tires
1 and inspect them for wear, and measure
the tread depth. Every 7,500 mi (12,000 km)
1Rotate 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 U-joints,
lubricate if equipped with grease fittings. 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
330
Scheduled Maintenance