2023 FORD F650/750 display

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AUDIO INPUT JACK (IF EQUIPPED)
WARNING: Driving while distracted
can result in loss of vehicle control, crash
and injury. We strongly recommend that
you use extreme caution when using any
device that may take your focus off the
road. Your primary responsibility is the
safe operation of your vehicle. We
recommend against the use of any
hand-held device while driving and
encourage the use of voice-operated
systems when possible. Make sure you
are aware of all applicable local laws
that may affect the use of electronic
devices while driving.
WARNING: Always place your
device in a secure location in your vehicle
so it does not become a projectile in a
sudden stop or crash. Failure to follow
this instruction could result in personal
injury.
E191758
The auxiliary input jack allows you to
connect and play music from your portable
music player through your vehicle speakers.
You can use any portable music player
designed for use with headphones. Your
audio extension cable must have male
connectors at each end.
1. Make sure your vehicle is stationary
with the audio unit and the portable
music player switched off.
2. Plug the extension cable from the
device into the audio input jack.
3. Switch on the radio and select either a
tuned FM station or a CD.
4. Adjust the volume as desired.
5. Switch on your device and adjust the
volume to half the maximum level.
6. Press AUX until LINE or LINE IN
appears in the display. You should hear
music from your device even if it is low.
7. Adjust the volume on your device until
it reaches the volume level of the FM
station or CD. Do this by switching back
and forth between the AUX and FM or
CD controls.
Use the vehicle audio unit buttons to
restore playback from the vehicle audio
unit, while your device remains connected.
Note:The audio extension cable must be
long enough for you to safely store the
device when your vehicle is moving.
Note:For optimum performance when
using any auxiliary device set the volume on
the device high. This reduces audio
interference when charging the device using
the vehicle power supply.
Note:For safety reasons, do not connect
or adjust the settings on your device while
your vehicle is moving.
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Audio System (If Equipped)

GENERAL MAINTENANCE
INFORMATION
Why Maintain Your Vehicle?
Carefully following the maintenance
schedule helps protect against major repair
expenses resulting from neglect or
inadequate maintenance and may help to
increase the value of your vehicle when
you sell or trade it. Keep all receipts for
completed maintenance with your vehicle.
We have established regular maintenance
intervals for your vehicle based upon
rigorous testing. It is important that you
have your vehicle serviced at the proper
times. These intervals serve two purposes;
one is to maintain the reliability of your
vehicle and the second is to keep your cost
of owning your vehicle down.
It is your responsibility to have all
scheduled maintenance performed and to
make sure that the materials used meet
the specifications identified in this owner's
manual. See Motorcraft Parts (page 291).
Failure to perform scheduled maintenance
invalidates warranty coverage on parts
affected by the lack of maintenance.
Why Maintain Your Vehicle at Your
Dealership?
Factory-trained Technicians
Service technicians participate in extensive
factory-sponsored certification training to
help them become experts on the
operation of your vehicle. Ask your
dealership about the training and
certification their technicians have
received.Genuine Ford and Motorcraft
Replacement Parts
Dealerships stock Ford, Motorcraft and
Ford-authorized branded re-manufactured
replacement parts. These parts meet or
exceed our specifications. Parts installed
at your dealership carry a nationwide
12-month or 12,500 mi (20,000 km) parts
and labor limited warranty.
If you do not use Ford authorized parts they
may not meet our specifications and
depending on the part, it could affect
emissions compliance.
Convenience
Many dealerships have extended evening
and Saturday hours to make your service
visit more convenient and they offer one
stop shopping. They can perform any
services that are required on your vehicle,
from general maintenance to collision
repairs.
Note:Not all dealers have extended hours
or body shops. Please contact your dealer
for details.
Protecting Your Investment
Maintenance is an investment that pays
dividends in the form of improved
reliability, durability and resale value. To
maintain the proper performance of your
vehicle and its emission control systems,
make sure you have scheduled
maintenance performed at the designated
intervals.
Diesel Engine
Your vehicle is equipped with the
Intelligent Oil-Life Monitor system, which
displays a message in the information
display at the proper oil change interval.
This interval may be up to one year or
10,000 mi (16,000 km).
319
Scheduled Maintenance

A message appears in the information
display when it is time for an oil change.
Make sure you perform the oil change
within two weeks or 500 mi (800 km) of
the message appearing. Make sure you
reset the Intelligent Oil-Life Monitor after
each oil change. See Instrument Cluster
(page 63).
If your information display resets
prematurely or becomes inoperative, you
should perform the oil change interval at
six months or 5,000 mi (8,000 km) from
your last oil change. Never exceed one year
or 10,000 mi (16,000 km) between oil
change intervals.
All Vehicles
Your vehicle is very sophisticated and built
with multiple, complex, performance
systems. Every manufacturer develops
these systems using different
specifications and performance features.
That is why it is important to rely upon your
dealership to properly diagnose and repair
your vehicle.
Ford Motor Company has recommended
maintenance intervals for various parts
and component systems based upon
engineering testing. Ford Motor Company
relies upon this testing to determine the
most appropriate mileage for replacement
of oils and fluids to protect your vehicle at
the lowest overall cost to you and
recommends against maintenance
schedules that deviate from the scheduled
maintenance information.
We strongly recommend the use of only
genuine Ford, Motorcraft or
Ford-authorized re-manufactured
replacement parts engineered for your
vehicle.Additives and Chemicals
This owner's manual and the Ford
Workshop Manual list the recommended
additives and chemicals for your vehicle.
We do not recommend using chemicals or
additives not approved by us as part of
your vehicle’s normal maintenance. Please
consult your warranty information.
Oils, Fluids and Flushing
In many cases, fluid discoloration is a
normal operating characteristic and, by
itself, does not necessarily indicate a
concern or that the fluid needs to be
changed. However, a qualified expert, such
as the factory-trained technicians at your
dealership, should inspect discolored fluids
that also show signs of overheating or
foreign material contamination
immediately.
Make sure to change your vehicle’s oils and
fluids at the specified intervals or in
conjunction with a repair. Flushing is a
viable way to change fluid for many vehicle
sub-systems during scheduled
maintenance. It is critical that systems are
flushed only with new fluid that is the same
as that required to fill and operate the
system or using a Ford-approved flushing
chemical.
Scheduled Maintenance Services
Maintenance service adjustments must
conform to specifications contained in this
manual, and those shown on the Important
Engine Information decal. Perform the
following services at scheduled intervals
because they essential to the life and
performance of your vehicle. Ford
recommends that you perform
maintenance on all designated items to
achieve best vehicle operation.
320
Scheduled Maintenance

There are three types of maintenance
intervals for general vehicle environments:
On-Highway, City and Severe Service. In
all applications, monitoring miles
(kilometers) and time and when the engine
is due for an oil change determine the
actual interval. When the engine oil change
is required before the truck lubrication
interval, perform the lubrication at the
same time in order to reduce your vehicle’s
time out of service.
Air Brake Adjustment
WARNING: Failure to maintain
proper air brake adjustment can result
in reduction or loss of braking ability.
A qualified service technician, keeping to
the instructions in the service manual,
should perform air brake inspection and
adjustment or repairs.
Cam Brakes - Automatic Slack
Adjusters
WARNING: Do not manually adjust
the automatic slack adjusters to correct
excessive push rod stroke as it may result
in reduced brake effectiveness and a
vehicle crash. Excessive push rod stroke
indicates that a problem exists with the
automatic adjuster, with the installation
of the adjuster, or with foundation brake
components that manual adjustment
does not remedy. Seek service from a
qualified facility for excessive push rod
stroke.
Inspect standard air brakes equipped with
automatic slack adjusters for proper brake
adjustment as listed in the maintenance
schedule charts.
However, inspect the brakes more
frequently when subjecting them to heavy
use or adverse operating conditions such
as:
• Frequent brake applications while fully
loaded.
• Operation on hilly or mountainous
terrain.
• Frequent operation on dirt, gravel or
mud.
Some aftermarket brake linings also
require more frequent inspections.
Owner Checks and Services
Make sure you perform the following basic
maintenance checks and inspections every
month or at six-month intervals.
Check Every Month
Air filter restriction gauge.1
Engine oil level.
Fuel and water separator. Drain if necessary, or if indicated by the information display.
1
Function of all interior and exterior lights.
Holes and slots in the tail pipe to make sure they are functional and clear of debris.
1
321
Scheduled Maintenance

This means you do not have to remember
to change the oil on a mileage-based
schedule. Your vehicle lets you know when
an oil change is due by displaying a
message in the information display.The following table provides examples of
vehicle use and its impact on oil change
intervals. It is a guideline only. Actual oil
change intervals depend on several factors
and generally decrease with severity of
use.
When to Expect the OIL CHANGE REQUIRED Message
Vehicle Use and Example Interval
Normal
7,500–10,000 mi
(12,000–16,000 km)Normal commuting with highway driving
No, or moderate, load or towing
Flat to moderately hilly roads
No extended idling
Severe
5,000–7,500 mi
(8,000–12,000 km)Moderate to heavy load or towing
Mountainous or off-road conditions
Extended idling
Extended hot or cold operation
Extreme
3,000–5,000 mi
(4,800–8,000 km)Maximum load or towing
Extreme hot or cold operation
Use of high sulfur diesel fuel
Note:Use the appropriate special operating
condition for maintenance information
when using high sulfur diesel fuels,
operating your vehicle off-road or in dusty
conditions, such as unpaved roads.
Normal Maintenance Intervals
Note:Do not exceed the mileage or time
intervals.
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Scheduled Maintenance

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
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Scheduled Maintenance

At Every Oil Change Interval as Indicated by the Information Display1
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 the 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 the U-
joints. Lubricate any components that have grease fittings.
Inspect front oil hubs for leaks and check fluid level through hub cap sight glass.
1 Do not exceed one year/10,000 mi (16,000 km) or 350 engine hours between service
intervals.
2 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. See Oil Change
Indicator Reset (page 227).
3 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear.
Brake Fluid Maintenance1
Change the brake fluid.2Every 3 Years
1 Perform this maintenance item every 3 years. Do not exceed the designated time for
the interval.
2 Brake fluid servicing requires special equipment available at your authorized dealer.
Other Maintenance Items1
Replace the engine-mounted and frame-mounted fuel
filters.2Every 22,000 mi
(36,000 km)
Inspect the engine and secondary cooling system coolant
concentration, freeze-point protection, additive, corrosion
inhibitor, strength, coolant level, and hoses. Add coolant
additive if necessary.
3
Every 30,000 mi
(48,000 km)
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Scheduled Maintenance

Other Maintenance Items1
Note: When adding coolant additive, do not exceed the
specified maximum of 47 fl oz (1.4 L) for the engine and
20 fl oz (473 ml) for the secondary cooling system. Oper-
ating the engine with excessive coolant additive may cause
overheating which could lead to severe, permanent engine
damage.
Replace the air inlet foam filter. Every 45,000 mi
(72,000 km)
Inspect the accessory drive belt or belts.
4At 90,000 mi
(144,000 km)
Change the rear axle fluid. See Special Operating
Conditions Scheduled Maintenance (page 329).
5At 100,000 mi
(160,000 km)
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.
Change the engine and secondary cooling system coolant.
6At 200,000 mi
(320,000 km)
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 22,000 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.
4 Perform follow-up inspections every 15,000 mi (24,000 km) after the initial inspection.
Replace the belt or belts at 150,000 mi (240,000 km).
5 Change the fluid again at 150,000 mi (240,000 km).6 Initial replacement at 10 years or 200,000 mi (320,000 km), then every five years or
100,000 mi (160,000 km).
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Scheduled Maintenance