Mitsubishi Evolution X. Manual — part 908
31-1
GROUP 31
WHEEL AND TIRE
CONTENTS
GENERAL SPECIFICATIONS . . . . . .
SERVICE SPECIFICATIONS. . . . . . .
WHEEL AND TIRE DIAGNOSIS . . . .
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . .
WHEEL BALANCE ACCURACY . . . . . . . .
ON-VEHICLE SERVICE. . . . . . . . . . .
TIRE INFLATION PRESSURE CHECK . . .
TIRE WEAR CHECK . . . . . . . . . . . . . . . . . .
WHEEL RUNOUT CHECK . . . . . . . . . . . . .
WHEEL AND TIRE . . . . . . . . . . . . . . .
INSTALLATION SERVICE POINT . . . . . . .
TIRE PRESSURE MONITORING
SYSTEM (TPMS) . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
GENERAL SPECIFICATIONS
TSB Revision
WHEEL AND TIRE
31-2
GENERAL SPECIFICATIONS
M1311000200562
.
ROAD WHEEL AND TIRE
Item
Specification
Wheel
Type
Aluminum type
Size
18
× 8.5JJ
Amount of wheel offset mm (in)
38 (1.5)
PCD mm (in)
114.3 (4.50)
Tire
Size
245/40R18 93Y
NOTE: PCD indicates the pitch circle diameter of the wheel installation holes.
.
SPARE WHEEL AND TIRE
Item
Specification
Wheel
Type
Steel type
Size
18
× 4T
Amount of wheel offset mm (in)
30 (1.2)
PCD mm (in)
114.3 (4.50)
Tire
Size
T145/70R18 107M
NOTE: PCD indicates the pitch circle diameter of the wheel installation holes.
SERVICE SPECIFICATIONS
M1311000300893
Item
Limit
Tread depth of tire mm (in)
Minimum 1.6 (0.06)
Wheel runout
Radial runout mm (in)
1.0 (0.04) or less
Lateral runout mm (in)
1.0 (0.04) or less
WHEEL AND TIRE DIAGNOSIS
TSB Revision
WHEEL AND TIRE
31-3
WHEEL AND TIRE DIAGNOSIS
DIAGNOSIS
M1311000700932
Symptom
Probable cause
Remedy
Reference page
Rapid wear
at shoulders
ACX00923AB
Under-inflation
or lack of
rotation
ACX00924 AB
Adjust the tire
pressure.
For tire inflation
pressure, refer to
the label on the
driver's side center
pillar.
Rapid wear
at center
ACX00925AB
Over-inflation
or lack of
rotation
ACX00926AB
Cracked
treads
ACX00927AB
Under-inflation
Adjust the tire
pressure.
For tire inflation
pressure, refer to
the label on the
driver's side center
pillar.
WHEEL AND TIRE DIAGNOSIS
TSB Revision
WHEEL AND TIRE
31-4
WHEEL BALANCE ACCURACY
M1311001700656
PURPOSE
This section contains tips and procedures for achiev-
ing accurate wheel balance. Steering wheel vibration
and/or body shake can result if any of these proce-
dures are not carefully observed.
1. Wheels and tires must be properly mounted on a
balancer in order to achieve correct balance.
Centering the wheel on the shaft of the balancer is
essential for proper mounting.
2. Off-the-car wheel balancers must be calibrated
periodically to ensure good balancing results. An
inaccurately calibrated balancer could cause
unnecessary replacement of tires, shocks,
suspension components, or steering components.
Check your balancer's calibration approximately
every 100 balances. Your wheel balancer's instruc-
tion manual should include calibration procedures. If
the calibration procedures specifically for your bal-
ancer are missing, use the generic steps in this sec-
tion for zero calibration, static balance, and dynamic
balance checks. The wheel balancer calibration
checks are also described in the flowchart. (Refer to
.)
Wear on one
side
ACX00928 AB
Excessive
camber
ACX00929 AB
Check the camber.
Refer to GROUP
33, On-vehicle
service
− Front
wheel alignment
check and
adjustment
.
Feathered
edge
ACX00930AB
Incorrect toe-in
ACX00931AB
Adjust the toe-in.
Bald spots
ACX00932AB
Unbalanced
wheel
ACX00933 AB
Balance the wheels.
−
Scalloped
wear
ACX00934
Lack of rotation of tires or worn
or out-of-alignment suspension
Rotate the tires, and
check the front
suspension
alignment.
Refer to GROUP
33, On-vehicle
service
− Front
wheel alignment
check and
adjustment
.
Symptom
Probable cause
Remedy
Reference page
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