tires FORD GT 2021 User Guide

Operating at High Speeds and on
Track Days
Your vehicle is capable of sustained high
speeds and track day driving. Follow the
guidelines for breaking in the tires and
powertrain before operating your vehicle
at high speeds or on a track. See
Breaking-In (page 131).
Note: Obey all traffic laws and only operate
your vehicle at locations designed to do so
safely.
Note: For a detailed description of what
your vehicle's New Limited Warranty covers,
see the Ford GT Warranty Guide provided
to you along with your owner's manual.
Before operating your vehicle at high
speeds, follow these guidelines:
Overall Vehicle Preparation:
• Inspect wheels and tires for wear and
damage. Replace any damaged wheels
or tires.
• Torque the wheel lug nuts to the proper
specification:
150 lb.ft (204 Nm).
• Inspect all aerodynamic grilles and
cooling system components for
damage. Make sure there is no debris
or non-factory installed protective
films or equipment that could obstruct
airflow.
• Verify your tires have the correct tire
pressure. See the section that follows
for tire pressure specifications.
• Do not operate your vehicle at high
speeds while carrying cargo. Brake System Preparation:
•
Your vehicle has carbon ceramic brake
rotors that require extra care and
inspection methods including
measuring their weight and reviewing
the surface condition.
• Inspect the brake system for wear or
damage. Replace worn or below
specification brake pads, rotors or
cooling hoses. Make sure that the cross
drilling holes in the rotors are open and
free of debris.
• Prior to track use, replace the brake
fluid with fresh Motorcraft/Ford DOT
4 LV High Performance Brake Fluid or
other DOT compliant fluid with a dry
boiling point greater than
500°F
(260°C) from a sealed container. Do
not use silicone or DOT 5 brake fluids.
Powertrain Preparation:
• Make sure the engine oil, coolant,
transmission fluids and hydraulic
system fluid have received proper
maintenance, are clean and are at the
appropriate capacity.
• Allow the powertrain to warm up and
reach normal operating temperature.
Your vehicle has electronic controls to
reduce power or limit engine RPM to
reduce powertrain temperatures if
required.
• Regularly check the engine oil level
during the event. Maintain the engine
oil level at or near the max mark on the
engine oil dipstick.
See Engine Oil
Check (page 157).
Note: To obtain service, please contact the
Ford GT Concierge and they will advise you
of the nearest Certified Ford GT Service
Dealership.
See About This Manual (page
5).
169
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Track Use

•
With your foot on the brake, shift
through all the gears while the engine
is running.
• If your vehicle is stored for more than
a few months, we recommend that you
change the engine oil before you use
your vehicle again.
Fuel system
• Fill the fuel tank with high-quality fuel
until the first automatic shutoff of the
fuel pump nozzle and add
commercially available fuel stabilizer.
Run the engine for a minimum of one
minute to ensure that treated fuel has
circulated through the system.
Cooling system
• Protect against freezing temperatures.
• When removing your vehicle from
storage, check coolant fluid level.
Confirm that there are no cooling
system leaks and that fluid is at the
recommended level.
Battery
• Connect your vehicle to the battery
charger/maintainer provided with your
vehicle whenever you store your vehicle
for more than 2 weeks.
• Connect the wires as shown in the
illustration. See Changing the 12V
Battery (page 164).
Brakes
• Make sure the brakes and parking brake
release fully. Tires
•
To minimize flat spots on the tires,
inflate all four tires to the
recommended cold pressures listed on
the Safety Compliance Certification
label or Tire Label. When the vehicle is
taken out of storage, reset the tire
pressures as necessary to the
recommended levels listed on the
Safety Compliance Certification label
or Tire Label affixed to your vehicle.
Note: If you store your vehicle in a location
with low ambient temperatures, follow the
instructions for care of summer tires. See
Using Summer Tires
(page 199).
Miscellaneous
• Move vehicles at least
25 ft (7.5 m)
every 15 days to lubricate working parts
and prevent flat spots in the tires.
Removing Vehicle From Storage
When your vehicle is ready to come out of
storage, do the following:
• Wash your vehicle to remove any dirt
or grease film build-up on window
surfaces.
• Check windshield wipers for any
deterioration.
• Check under the hood and engine cover
for any foreign material that may have
collected during storage such as mice
or squirrel nests.
• Check the exhaust for any foreign
material that may have collected
during storage.
• Check tire pressures and set tire
inflation per the Tire Label.
179
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Vehicle Care

TIRE SEALANT AND INFLATOR
KIT
The kit is located in the storage
compartment under the rear hatch,
forward of the rear wing. The kit consists
of an air compressor to re-inflate the tire
and a canister of sealing compound that
will effectively seal most punctures caused
by nails or similar objects. This kit provides
a temporary tire repair, allowing you to
drive your vehicle up to 120 mi (200 km)
at a maximum speed of 50 mph (80 km/h)
to reach a tire service location.
Note: The temporary mobility kit contains
enough sealant compound in the canister
for one tire repair only. See an authorized
Ford dealer for replacement sealant
canisters. Air compressor (inside).
A
Selector switch.
B
On and off button.
C
Air pressure gauge.
D
Sealant bottle and canister.
E
Dual purpose hose: air and
repair.
F
Tire valve connector.
G
Accessory power plug.
H
Casing/housing.
I
Bike/raft/sports ball adapters.
J
181
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Wheels and TiresE244127 E175977

General Information
WARNING: Failure to follow these
guidelines could result in an increased
risk of loss of vehicle control, injury or
death.
Note: Do not use the kit if you have severely
damaged a tire. Only seal punctures located
within the tire tread with the kit.
Do not attempt to repair punctures larger
than
0.2362 in (6 mm) or damage to the
tire's sidewall. The tire may not completely
seal.
Loss of air pressure may adversely affect
tire performance. For this reason:
Note: Do not drive the vehicle above
50 mph (80 km/h)
.
Note: Do not drive further than
120 mi
(200 km). Drive only to the closest
authorized Ford dealer or tire repair shop to
have your tire inspected.
• Drive carefully and avoid abrupt
steering maneuvers.
• Periodically monitor tire inflation
pressure in the affected tire; if the tire
is losing pressure, have the vehicle
towed on a flat bed.
• Read the information in the Tips for
Use of the Kit section to make sure safe
operation of the kit and your vehicle.
Tips for Use of the Kit
To ensure safe operation of the kit:
• Read all instructions and cautions fully.
• Before operating the kit, make sure
your vehicle is safely off the road and
away from moving traffic. Switch on
the hazard lights.
• Always set the parking brake to ensure
the vehicle does not move
unexpectedly. •
Do not remove any foreign objects,
such as nails or screws, from the tire.
• When using the kit, leave the engine
running (only if the vehicle is outdoors
or in a well-ventilated area) so the
compressor does not drain the
vehicle's battery.
• Do not allow the compressor to
operate continuously for more than 15
minutes. This will help prevent the
compressor from overheating.
• Never leave the kit unattended during
operation.
• Sealant compound contains latex.
Those with latex sensitivities should
use appropriate precautions to avoid
an allergic reaction.
• Keep the kit away from children.
• Only use the kit when the ambient
temperature is between -22°F (-30°C)
and 158°F (70°C).
• Only use the sealing compound before
the use-by date. The use-by date is on
a label on the sealant canister, which
you can see through the rectangular
viewing window on the bottom of the
compressor. Check the use-by date
regularly and replace the canister after
four years of non-use.
• Do not store the kit unsecured inside
the passenger compartment of the
vehicle as it may cause injury during a
sudden stop or crash. Always store the
kit in its original location.
• After sealant use, an authorized Ford
dealer must replace the tire pressure
monitoring system sensor and valve
stem on the wheel.
• Operating the kit could cause an
electrical disturbance in radio
operation.
182
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Wheels and Tires

* When inflation only is required
for a tire or other objects, the
selector must be in the Air
position.
What to do When a Tire Is
Punctured
You can repair a tire puncture within the
tire's tread area in two stages with the kit.
• In the first stage, inflate the tire with a
sealing compound and air. After you
inflate the tire, you will need to drive
the vehicle a short distance (about 4 mi
(6 km) to distribute the sealant in the
tire.
• In the second stage, check the tire
pressure and adjust, if necessary, to the
vehicle's specified tire inflation
pressure.
First Stage: Inflating the Tire with
Sealing Compound and Air WARNING:
Do not stand directly
over the kit while inflating the tire. If you
notice any unusual bulges or
deformations in the tire's sidewall during
inflation, stop and call roadside
assistance. WARNING:
If the tire does not
inflate to the recommended tire pressure
within 15 minutes, stop and call roadside
assistance. WARNING:
Do not run the engine
when operating the air compressor
unless the vehicle is outdoors or in a
well-ventilated area.
Preparation: Park the vehicle in a safe, level
and secure area, away from moving traffic.
Switch the hazard lights on. Apply the
parking brake and switch the engine off.
Inspect the flat tire for visible damage. Sealant compound contains latex. Use
appropriate precautions to avoid any
allergic reactions.
Do not remove any foreign object that has
pierced the tire. If a puncture is located in
the tire sidewall, stop and call roadside
assistance.
1. Remove the valve cap from the tire
valve.
2. Unwrap the dual purpose hose (black tube) from the back of the compressor
housing.
3. Fasten the hose to the tire valve by turning the connector clockwise.
Tighten the connection securely. 4. Plug the power cable into the 12-volt
power point located on the right side
of the floor console.
5. Remove the warning sticker found on the casing/housing and place it on the
top of the instrument panel or the
center of the dash.
183
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Wheels and TiresE175978 E252191

6. Start the vehicle and leave the engine
running so the compressor does not
drain the vehicle ’s battery. 7. Turn dial (A) clockwise to the sealant
position. Switch the kit on by pressing
the on/off button (B).
8. Inflate the tire to the pressure listed on
the tire label located on the driver's
door or the door jamb area. The initial
air pressure gauge reading may indicate
a value higher than the label pressure
while you pump the sealing compound
into the tire. This is normal and should
be no reason for concern. The pressure
gauge reading will indicate the tire
inflation pressure after about 30
seconds of operation. You should
check the final tire pressure with the
compressor turned OFF in order to get
an accurate pressure reading. 9. When the tire reaches the
recommended tire pressure, switch off
the kit, unplug the power cable, and
disconnect the hose from the tire valve.
Re-install the valve cap on the tire
valve and return the kit to the stowage
area.
10. Immediately and cautiously, drive the
vehicle 4 mi (6 km) to distribute the
sealant evenly inside the tire. Do not
exceed
50 mph (80 km/h).
11. After 4 mi (6 km), stop and check the
tire pressure. See Second Stage:
Checking Tire Pressure.
184
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Wheels and TiresE175981 E175982

Note:
If you experience any unusual
vibration, ride disturbance or noise while
driving, reduce your speed until you can
safely pull off to the side of the road to call
for roadside assistance. Note: Do not
proceed to the second stage of this
operation.
Second Stage: Checking Tire
Pressure WARNING: The power plug may
get hot after use and should be handled
carefully when unplugging.
If you are proceeding from the First Stage:
Re-inflating the Tire with Sealing
Compound and Air section and have
injected sealant in the tire and the pressure
is below
20 psi (137 kPa), continue to the
next step.
Check the air pressure of your tires as
follows: 1. Remove the valve cap from the tire
valve.
2. Firmly screw the air compressor hose onto the valve stem by turning
clockwise.
3. Push and turn the dial clockwise to the
air position. 4. If required, switch on the compressor
and adjust the tire to the
recommended inflation pressure
shown on the tire label located on the
driver's door or door jamb area. You
should check the tire pressure with the
compressor turned OFF in order to get
an accurate pressure reading.
5. Unplug the hoses, re-install the valve cap on the tire and return the kit to the
stowage area.
What to Do After the Tire has Been
Sealed
After using the kit to seal your tire, you will
need to replace the sealant canister. You
can obtain sealant canisters and spare
parts at an authorized Ford dealer. You can
dispose of empty sealant canisters at
home. However, you should dispose of
canisters still containing liquid sealant
through your local authorized Ford dealer
or tire dealer, or in accordance with local
waste disposal regulation.
Note: After you use the sealing compound,
the maximum vehicle speed is
50 mph
(80 km/h) and the maximum driving
distance is 120 mi (200 km). You should
inspect the sealed tire immediately.
You can check the tire pressure any time
within the 120 mi (200 km) by performing
the steps listed previously in the Second
Stage: Checking Tire Pressure procedure.
185
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Wheels and TiresE175983

Removal of the sealant canister from
the kit
1. Unwrap the dual purpose hose (black
tube) from the compressor housing. 2. Unwrap the power cord.
3. Remove the back cover. 4. Rotate the sealant canister up 90
degrees and pull away from
casing/housing to remove.
Installation of the sealant canister to
the kit
1. With the canister held perpendicular to the housing, insert the canister
nozzle into the connector and push
until seated.
2. Rotate the canister 90 degrees down into the housing/casing. 3. Snap the back cover back into place.
186
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Wheels and TiresE175984 E175985 E175986 E175987 E175988

4. Wrap the dual purpose hose (black
tube) around the channel on the
bottom of the housing/casing. 5. Wrap the power cord around the
housing and stow the accessory power
plug into its storage area.
Note: If you experience any difficulties with
the removal or installation of the sealant
canister, consult an authorized Ford dealer
for assistance.
Make sure you check the sealant
compound ’s use-by date regularly. The
use-by date is on a label located on the
sealant canister, which you can see
through the rectangular viewing window
on the bottom of the kit. You should
replace the sealant canister after four
years of non-use. TIRE CARE
Information About Uniform
Tire Quality Grading
Tire Quality Grades apply to new
pneumatic passenger car tires.
The Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example: Treadwear 200
Traction AA Temperature A.
These Tire Quality Grades are
determined by standards that the
United States Department of
Transportation has set.
Tire Quality Grades apply to new
pneumatic passenger car tires.
They do not apply to deep tread,
winter-type snow tires,
space-saver or temporary use
spare tires, light truck or LT type
tires, tires with nominal rim
diameters of 10 to 12 inches or
limited production tires as defined
in Title 49 Code of Federal
Regulations Part 575.104 (c)(2).
187
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Wheels and TiresE175989 E175990 E142542

U.S. Department of
Transportation Tire quality
grades: The U.S. Department of
Transportation requires Ford
Motor Company to give you the
following information about tire
grades exactly as the government
has written it.
Treadwear
The treadwear grade is a
comparative rating based on the
wear rate of the tire when tested
under controlled conditions on a
specified government test course.
For example, a tire graded 150
would wear 1 ½ times as well on
the government course as a tire
graded 100. The relative
performance of tires depends
upon the actual conditions of their
use, however, and may depart
significantly from the norm due to
variations in driving habits, service
practices, and differences in road
characteristics and climate.
Traction AA A B C WARNING:
The traction
grade assigned to this tire is
based on straight-ahead braking
traction tests, and does not
include acceleration, cornering,
hydroplaning or peak traction
characteristics. The traction grades, from highest
to lowest are AA, A, B, and C. The
grades represent the tire
’s ability
to stop on wet pavement as
measured under controlled
conditions on specified
government test surfaces of
asphalt and concrete. A tire
marked C may have poor traction
performance.
Temperature A B C WARNING:
The
temperature grade for this tire is
established for a tire that is
properly inflated and not
overloaded. Excessive speed,
underinflation, or excessive
loading, either separately or in
combination, can cause heat
buildup and possible tire failure.
The temperature grades are A
(the highest), B and C,
representing the tire ’s resistance
to the generation of heat and its
ability to dissipate heat when
tested under controlled conditions
on a specified indoor laboratory
test wheel. Sustained high
temperature can cause the
material of the tire to degenerate
and reduce tire life, and excessive
temperature can lead to sudden
tire failure. The grade C
corresponds to a level of
performance which all passenger
car tires must meet under the
188
Ford GT (CGX) Canada/United States of America, enUSA, Edition date: 202010, First-Printing Wheels and Tires