tire pressure MITSUBISHI ECLIPSE 2010 4.G Owner's Manual
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Page 416 of 496
Vehicle care and maintenance
7-23
7
Treadwear, Traction and Temperature GradesTreadwear
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 one and one-half (1
1/2) times as well on the
government course as a tire graded 100. The relative perfor-
mance 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
The traction grades, from highest to lowest, are AA, A, B and
C. Those grades represent the tire’s ability to stop on wet pave-
ment as measured under controlled conditions on specified
government test surfaces of asphalt and concrete. A tire
marked C may have poor traction performance.
Temperature
The temperature grades are A (the highest), B and C, represent-
ing 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 tempera-
ture can cause the material of the tire to degenerate and reduce
tire life, and excessive temperature can lead to sudden tire fail-
ure. The grade C corresponds to a level of performance which
all passenger car tires must meet under the Federal Motor Vehi-
cle Safety Standard No. 109. Grades B and A represent higher
levels of performance on the laboratory test wheel than the
minimum required by law.
Tire inflation pressures
N00939300105
Proper tire inflation pressure is essential for the safe and satis-
factory operation of your vehicle. The wrong tire pressure will
cause problems in three major areas:
Safety
Too little pressure increases flexing in the tire and can
cause tire failure. Too much pressure can cause a tire to
lose its ability to cushion shock. Objects on the road and
potholes could then cause tire damage that may result in
tire failure.
Economy
The wrong tire pressure can cause uneven wear patterns in
the tire tread. These abnormal wear patterns will reduce
the tread life, and the tire will have to be replaced sooner.
Too little pressure also makes it harder for the tire to roll,
and this uses up more fuel.
Ride comfort and vehicle stability
The superior riding experience built into your vehicle
partly depends on the correct tire pressure. Too much
pressure gives an uncomfortable and jarring ride. Too lit-
tle pressure feels as if your vehicle is slow to respond.
Unequal tire pressures can make steering your vehicle
uneven and unpredictable.
The correct tire pressure for your vehicle is listed on the plac-
ard attached to the sill of the driver’s door.
(Refer to “Tire and loading information placard” on page 9-4.)
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Page 417 of 496
7-24 Vehicle care and maintenance
7
The recommended inflation pressures should be used for the
tires listed below.
Tire pressures should be checked, and adjusted if necessary, at
least once a month.
Pressures should be checked more often whenever weather
temperatures change severely, because tire pressures change
with outdoor temperatures. The pressures listed on the placard
are always “cold inflation pressure”.
Cold inflation pressure is measured after the vehicle has been
parked for at least three hours or is driven less than 1 mile
(1.6 km) after having been parked for three hours.
Cold inflation pressure must not go above the maximum values
molded into the tire sidewall. After driving several miles, your
tire inflation pressure may increase 14 to 41 KPA, 2 to 6 PSI
from the cold inflation pressure. Do not let air out of the tires to
get back to the specified cold pressure, or your tire pressure
will be too low.
Check your tires each time you refuel. If one tire looks lower
than the others, check the pressure for all of them.
You should also take the following safety precautions:
Keep your tires inflated to the recommended pressures.
(See the tire and loading information placard attached to
the sill of the driver’s door.)
Stay within the recommended load limits.
Make sure that the weight of any load in your vehicle is
evenly distributed.Drive at safe speeds.
After filling your tires to the correct pressure, check them
for damage and air leaks. Be sure to replace the caps on
the valve stems.
Item
Tire size
Front
Rear
Normal tireP225/50R17
P235/45R18220 KPA,
32 PSI220 KPA,
32 PSI
Compact spare tire T125/70D16 420 KPA, 60 PSI
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Page 418 of 496
Vehicle care and maintenance
7-25
7
Replacing tires and wheels
N00939600296
Tire maintenance
N00939700167
The following maintenance steps are recommended:
Check tire pressures regularly.
Have regular maintenance done on the wheel balance and
front and rear suspension alignment.
Rotate your tires regularly as described in the “Tire rota-
tion” section on page 7-26.
CAUTION
!Avoid using different size tires and wheels from the
ones listed, and avoid the combined use of different
types of tires and wheels. Using different size or type
tires and wheels may affect driving safety.
Refer to “Tires and wheels” on page 9-9.Even if a wheel has the same rim size and offset as
the specified type of wheel, its shape may prevent it
from being fitted correctly. Consult an authorized
Mitsubishi Motors dealer or a repair facility of your
choice before using wheels that you have.As your vehicle is equipped with a tire pressure
monitoring system, use only Mitsubishi genuine
wheels.
Other wheels do not permit correct installation of
tire inflation pressure sensors and can cause air
leakage and sensor failure, which would not be cov-
ered by your vehicle’s warranty.
See an authorized Mitsubishi Motors dealer when
you replace a tire or wheel.
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Page 419 of 496
7-26 Vehicle care and maintenance
7
Tread wear indicators
N00939800054
Tread wear indicators are built into the original equipment tires
on your vehicle to help you know when your tires should be
replaced. Many states have laws requiring that you replace
your tires at this point.
These indicators are molded into the bottom of the tread
grooves and will appear when the tire tread is worn down to
1/16 inch (1.6 mm).
When the bands appear next to one another in two or more
places, replace your tires. NOTETire wear indicators can have different marks and loca-
tions depending on the tire manufacturer.
Tire rotation
N00939900390
To even out the wear on your tires and make them last longer,
Mitsubishi Motors Corporation recommends that you rotate
your tires at the mileage listed in the “WARRANTY AND
MAINTENANCE MANUAL”.
However, the timing for tire rotation may vary according to
your vehicle condition, road surface conditions, and your own
personal driving habits. Any time you notice unusual wear,
rotate your tires as soon as possible.
When rotating tires, check for uneven wear, damage, and wheel
alignment. Abnormal wear is usually caused by a wrong tire
pressure, wheels that are not aligned properly, wheels that are
out-of-balance, or severe braking.
Check with an authorized Mitsubishi Motors dealer or a repair
facility of your choice to find out the reason for uneven tread
wear.
The first tire rotation is the most important one. It will allow all
your tires to wear evenly.
1- Location of the tread wear indicator
2- Tread wear indicator
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Page 421 of 496
7-28 Vehicle care and maintenance
7
Snow tires
N00940000362
In some areas of the country, snow tires are required for winter
driving. If snow tires are required in your area, you must
choose snow tires of the same size and type as the original tires
provided with your vehicle. Snow tires should also be installed
on all four wheels. Otherwise your safety and vehicle handling
can be reduced.
Even where laws may permit it, snow tires should not be oper-
ated at sustained speeds over 75 mph (120 km/h).
CAUTION
!Avoid the combined use of different types of tires.
Using different types of tires can affect vehicle per-
formance and safety.
Front
CAUTION
!Change to tapered nuts when using snow tires with
steel wheels. As your vehicle is equipped with a tire pressure
monitoring system, use only Mitsubishi genuine
wheels.
Other wheels do not permit correct installation of
tire inflation pressure sensors and can cause air
leakage and sensor failure, which would not be cov-
ered by your vehicle’s warranty.
See an authorized Mitsubishi Motors dealer when
you replace a tire or wheel.
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Page 490 of 496
Alphabetical index
5
L
Labeling 9-2
License plate light
Bulb capacity 7-49
Replacement 7-66
Light dimmer control 3-111
Loading information 4-7
Low-fuel warning light 3-110
Lubricants 9-10
Luggage hooks 3-182
M
Manual transaxle 3-67
Fluid 9-10
Oil 7-14
Shift points (recommended speed) 3-69
Mirror
Inside rearview mirror 3-56
Outside rearview mirrors 3-59
Modification of your vehicle 1-7
Multi center display 3-116
N
Notepad holder 3-179
O
Octane requirement 1-2
Odometer 3-108Oil
Engine oil 7-7
Manual transaxle oil 7-14
Oil pressure warning light 3-115
Operation under adverse driving conditions 6-22
Outside rearview mirrors 3-59
Overheating 6-6
P
Parking 4-6
Parking brake 3-54
Parking brake lever stroke 7-30
Parking and side-marker lights
Bulb capacity 7-48
Replacement 7-53
Pen holder 3-179
Polishing 7-75
Power brakes 3-81
Power door locks 3-15
Power outlet 3-170
Power steering
Fluid 7-16
,9-10
System 3-90
Power windows 3-26
Puncture (Tire changing) 6-9
R
Radiator cap 7-11
Radio
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Page 492 of 496
Alphabetical index
7
Starting
At extremely cold ambient temperature 3-66
Flooded engine 3-66
Normal conditions 3-65
Steering
Power steering fluid 7-16
,9-10
Tilt lock lever 3-55
Wheel lock 3-63
Steering wheel remote control switch 5-65
Stop and tail light
Bulb capacity 7-49
Sun visors 3-168
Sunroof 3-28
Supplemental Restraint System 2-36
How the Supplement Restraint System works 2-39
Servicing 2-57
Warning light 2-44T
Tachometer 3-108
Tank capacity 1-5
,9-10
Theft-alarm system 3-22
Timing belt 7-36
Tire pressure monitoring system 3-97
Tires 7-20
How to change a tire 6-9
Inflation pressure 7-23
Maintenance 7-25
Quality grading 8-2Replacing tires and wheels 7-25
Rotation 7-26
Size (tire and wheel) 9-9
Snow tires 7-28
Tire and loading information placard 4-8
,9-4
Tire chains 7-29
Tread wear indicators 7-26
Tools 6-8
Storage 6-8
Top stack 3-31
Towing 6-20
Traction control function 3-86
Trailer towing 4-13
Trip odometer 3-108
Trunk lid 3-16
Turn signal lights
Bulb capacity 7-48
Indicators 3-113
Lever 3-131
Replacement 7-53
,7-55
,7-56
,7-59
V
Vanity mirror 3-169
Vanity mirror lights
Bulb capacity 7-50
,7-51
Replacement 7-70
Vehicle care precautions 7-71
Vehicle dimensions 9-6
Vehicle emission control information label 9-2
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