2019 DODGE DURANGO SRT tire size

TIRES
Tire Safety Information
Tire safety information will cover aspects of the following information:
Tire Markings, Tire Identification Numbers, Tire Terminology and Defi-
nitions, Tire Pressures, and Tire Loading.
Tire Markings
NOTE:
•P (Passenger) — Metric tire sizing is based on U.S. design standards.
P-Metric tires have the letter “P” molded into the sidewall preceding
the size designation. Example: P215/65R15 95H.
• European — Metric tire sizing is based on European design standards.
Tires designed to this standard have the tire size molded into the
sidewall beginning with the section width. The letter Pis absent from
this tire size designation. Example: 215/65R15 96H.
Tire Markings
1 — U.S. DOT Safety Standards
Code (TIN) 4 — Maximum Load
2 — Size Designation 5 — Maximum Pressure
3 — Service Description 6 — Treadwear, Traction and Temperature Grades
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•LT (Light Truck) — Metric tire sizing is based on U.S. design standards.
The size designation for LT-Metric tires is the same as for P-Metric tires
except for the letters “LT” that are molded into the sidewall preceding
the size designation. Example: LT235/85R16.
• Temporary spare tires are designed for temporary emergency use only.
Temporary high pressure compact spare tires have the letter “T” or “S”
molded into the sidewall preceding the size designation. Example:
T145/80D18 103M.
• High flotation tire sizing is based on U.S. design standards and it
begins with the tire diameter molded into the sidewall. Example:
31x10.5 R15 LT.
Tire Sizing Chart
EXAMPLE:
Example Size Designation: P215/65R15XL 95H, 215/65R15 96H, LT235/85R16C,
T145/80D18 103M, 31x10.5 R15 LT
P = Passenger car tire size based on U.S. design standards, or
....blank.... = Passenger car tire based on European design standards, or
LT = Light truck tire based on U.S. design standards, or
TorS= Temporary spare tire or
31 = Overall diameter in inches (in)
215, 235, 145 = Section width in millimeters (mm)
65, 85, 80 = Aspect ratio in percent (%)
– Ratio of section height to section width of tire, or
10.5 = Section width in inches (in)
R = Construction code
– "R" means radial construction, or
– "D" means diagonal or bias construction
15, 16, 18 = Rim diameter in inches (in)
Service Description:
95 = Load Index
– A numerical code associated with the maximum load a tire can carry
H = Speed Symbol
– A symbol indicating the range of speeds at which a tire can carry a load corresponding to its load index under certain operating conditions
– The maximum speed corresponding to the speed symbol should only be achieved under specified operating conditions (i.e., tire pressure, vehicle
loading, road conditions, and posted speed limits) TIRES
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EXAMPLE:
Load Identification:
Absence of the following load identification symbols on the sidewall of the tire
indicates a Standard Load (SL) tire:
• XL
= Extra load (or reinforced) tire, or
• LL = Light load tire or
• C, D, E, F, G = Load range associated with the maximum load a tire can carry
at a specified pressure
Maximum Load – Maximum load indicates the maximum load this tire is designed
to carry
Maximum Pressure – Maximum pressure indicates the maximum permissible cold
tire inflation pressure for this tire
Tire Identification Number (TIN)
The TIN may be found on one or both sides of the tire; however, the date
code may only be on one side. Tires with white sidewalls will have the
full TIN, including the date code, located on the white sidewall side of
the tire. Look for the TIN on the outboard side of black sidewall tires as
mounted on the vehicle. If the TIN is not found on the outboard side, then
you will find it on the inboard side of the tire.
EXAMPLE:
DOT MA L9 ABCD 0301
DOT = Department of Transportation
– This symbol certifies that the tire is in compliance with the U.S. Department of Transportation tire safety standards and is approved for highway use
MA = Code representing the tire manufacturing location (two digits)
L9 = Code representing the tire size (two digits)
ABCD = Code used by the tire manufacturer (one to four digits)
03 = Number representing the week in which the tire was manufactured (two digits)
– 03 means the 3rd week
01 = Number representing the year in which the tire was manufactured (two digits)
– 01 means the year 2001
– Prior to July 2000, tire manufacturers were only required to have one number to represent the year in which the tire was manufactured. Example: 031 could
represent the 3rd week of 1981 or 1991
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Tire Terminology And Definitions
TermDefinition
B-Pillar The vehicle B-Pillar is the structural member of
the body located behind the front door.
Cold Tire Inflation Pressure Cold tire inflation pressure is defined as the tire
pressure after the vehicle has not been driven
for at least three hours, or driven less than 1
mile (1.6 km) after sitting for a minimum of three
hours. Inflation pressure is measured in units of
PSI (pounds per square inch) or kPa
(kilopascals).
Maximum Inflation Pressure The maximum inflation pressure is the
maximum permissible cold tire inflation pressure
for this tire. The maximum inflation pressure is
molded into the sidewall.
Recommended Cold Tire Inflation Pressure Vehicle manufacturer’s recommended cold tire
inflation pressure as shown on the tire placard.
Tire Placard A label permanently attached to the vehicle
describing the vehicle’s loading capacity, the
original equipment tire sizes and the
recommended cold tire inflation pressures. TIRES
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Tire And Loading Information Placard
This placard tells you important information about the:
1. Number of people that can be carried in the vehicle.
2. Total weight your vehicle can carry.
3. Tire size designed for your vehicle.
4. Cold tire inflation pressures for the front, rear, and spare tires.
Loading
The vehicle maximum load on the tire must not exceed the load carrying
capacity of the tire on your vehicle. You will not exceed the tire’s load
carrying capacity if you adhere to the loading conditions, tire size, and
cold tire inflation pressures specified on the Tire and Loading Informa-
tion placard in “Vehicle Loading” in the “Starting And Operating”
section of your Owner ’s Manual.
NOTE:Under a maximum loaded vehicle condition, gross axle weight
ratings (GAWRs) for the front and rear axles must not be exceeded.
For further information on GAWRs, vehicle loading, and trailer towing,
refer to “Vehicle Loading” in the “Starting And Operating” section of
your Owner ’s Manual.
To determine the maximum loading conditions of your vehicle, locate the
statement “The combined weight of occupants and cargo should never
Tire And Loading Information Placard
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exceed XXX kg or XXX lbs” on the Tire and Loading Information placard.
The combined weight of occupants, cargo/luggage and trailer tongue
weight (if applicable) should never exceed the weight referenced here.
Steps For Determining Correct Load Limit—
(1) Locate the statement “The combined weight of occupants and
cargo should never exceed XXX kg or XXX lbs.” on your vehicle’s
placard.
(2) Determine the combined weight of the driver and passengers that
will be riding in your vehicle.
(3) Subtract the combined weight of the driver and passengers from
XXX kg or XXX lbs.
(4) The resulting figure equals the available amount of cargo and
luggage load capacity. For example, if “XXX” amount equals 1400 lbs.
and there will be five 150 lb passengers in your vehicle, the amount
of available cargo and luggage load capacity is 650 lbs. (1400-750
(5x150) = 650 lbs.)
(5) Determine the combined weight of luggage and cargo being
loaded on the vehicle. That weight may not safely exceed the
available cargo and luggage load capacity calculated in Step 4.
(6) If your vehicle will be towing a trailer, load from your trailer will
be transferred to your vehicle. Consult this manual to determine how
this reduces the available cargo and luggage load capacity of your
vehicle.
Metric Example For Load Limit
For example, if “XXX” amount equals 635 kg and there will be five 68 kg
passengers in your vehicle, the amount of available cargo and luggage
load capacity is 295 kg (635-340 (5x68) = 295 kg) as shown in step 4.
NOTE:
•If your vehicle will be towing a trailer, load from your trailer will be
transferred to your vehicle. The following table shows examples on
how to calculate total load, cargo/luggage, and towing capacities of
your vehicle with varying seating configurations and number and size
of occupants. This table is for illustration purposes only and may not
be accurate for the seating and load carry capacity of your vehicle.
• For the following example, the combined weight of occupants and
cargo should never exceed 865 lbs (392 kg).
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Tire Repair
If your tire becomes damaged, it may be repaired if it meets the following
criteria:
•The tire has not been driven on when flat.
• The damage is only on the tread section of your tire (sidewall damage
is not repairable).
• The puncture is no greater than a ¼ of an inch (6 mm).
Consult an authorized tire dealer for tire repairs and additional informa-
tion.
Damaged Run Flat tires, or Run Flat tires that have experienced a loss of
pressure should be replaced immediately with another Run Flat tire of
identical size and service description (Load Index and Speed Symbol).
Run Flat Tires — If Equipped
Run Flat tires allow you the capability to drive 50 miles (80 km) at 50 mph
(80 km/h) after a rapid loss of inflation pressure. This rapid loss of
inflation is referred to as the Run Flat mode. A Run Flat mode occurs
when the tire inflation pressure is of/or below 14 psi (96 kPa). Once a
Run Flat tire reaches the run flat mode it has limited driving capabilities
and needs to be replaced immediately. A Run Flat tire is not repairable.
It is not recommended driving a vehicle loaded at full capacity or to tow
a trailer while a tire is in the run flat mode.
See the tire pressure monitoring section for more information.
Tire Spinning
When stuck in mud, sand, snow, or ice conditions, do not spin your
vehicle’s wheels above 30 mph (48 km/h) or for longer than 30 seconds
continuously without stopping.
Refer to “Freeing A Stuck Vehicle” in “In Case Of Emergency” in your
Owner ’s Manual for further information.
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Life Of Tire
The service life of a tire is dependent upon varying factors including, but
not limited to:
•Driving style.
• Tire pressure - Improper cold tire inflation pressures can cause uneven
wear patterns to develop across the tire tread. These abnormal wear
patterns will reduce tread life, resulting in the need for earlier tire
replacement.
• Distance driven.
• Performance tires, tires with a speed rating of V or higher, and
Summer tires typically have a reduced tread life. Rotation of these tires
per the vehicle scheduled maintenance is highly recommended.
WARNING!
Tires and the spare tire should be replaced after six years, regardless
of the remaining tread. Failure to follow this warning can result in
sudden tire failure. You could lose control and have a collision
resulting in serious injury or death.
Keep dismounted tires in a cool, dry place with as little exposure to light
as possible. Protect tires from contact with oil, grease, and gasoline.
Replacement Tires
The tires on your new vehicle provide a balance of many characteristics.
They should be inspected regularly for wear and correct cold tire
inflation pressures. The manufacturer strongly recommends that you use
tires equivalent to the originals in size, quality and performance when
replacement is needed. Refer to the paragraph on “Tread Wear Indica-
tors” in this section. Refer to the Tire and Loading Information placard or
the Vehicle Certification Label for the size designation of your tire. The
Load Index and Speed Symbol for your tire will be found on the original
equipment tire sidewall.
See the Tire Sizing Chart example found in the “Tire Safety Information”
section of this manual for more information relating to the Load Index
and Speed Symbol of a tire.
It is recommended to replace the two front tires or two rear tires as a pair.
Replacing just one tire can seriously affect your vehicle’s handling. If you
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