Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 480

WT-7

“T-type” Tire

WHEEL AND TIRE SYSTEM

3. “T-type” Tire

A: NOTE

CAUTION:

• The “T-type” tire is only for temporary use.

Replace with a conventional tire as soon as

possible.

• Do not use tire chains for “T-type” tires. Be-

cause tire size is small, tire chains can not be

installed and will damage the vehicle and tires.

• Do not drive at a speed greater than 80 km/h

(50 MPH).

• Drive the vehicle as slowly as possible and

avoid bumps on the road.

“T-type” tire for temporary use is prepared as a

spare tire.

B: REPLACEMENT

CAUTION:

The “T-type” tire is only for temporary use. Re-

place with a conventional tire as soon as possi-

ble.

Refer to “Tire & Wheel” for removal and installation

of the “T-type” tire. <Ref. to WT-4, Tire and

Wheel.>

C: INSPECTION

Refer to “Tire & Wheel” for inspection of the “T-

type” tire. <Ref. to WT-4, TIRES, INSPECTION,

Tire and Wheel.>

WT-8

Tire Pressure Monitoring System

WHEEL AND TIRE SYSTEM

4. Tire Pressure Monitoring

System

A: REMOVAL

1. TRANSMITTER (SNAP IN TYPE)

1) Remove the wheels from the vehicle. <Ref. to

WT-4, REMOVAL, Tire and Wheel.>

2) Remove the tires from wheels.
CAUTION:

Use a tire changer when removing the tire from

the wheel.

3) Loosen the screw to remove the transmitter from

the valve stem.
NOTE:

Replace the valve and screw with a new part when

reusing transmitter.

4) Remove the valve from the wheel.

2. TPMS & KEYLESS ENTRY CONTROL

MODULE

NOTE:

TPMS control module is integrated into keyless en-

try control module.

1) Disconnect the ground cable from battery.

2) Remove the left rear quarter trim. (5 door model)

<Ref. to EI-60, REMOVAL, Rear Quarter Trim.>

3) Remove the rear shelf trim. (4 door model) <Ref.

to EI-62, REMOVAL, Rear Shelf Trim.>

4) Disconnect the harness connector.

5) Remove the bolt and then remove the TPMS &

keyless entry control module.

• 5 door model

• 4 door model

B: INSTALLATION

1. TRANSMITTER (SNAP IN TYPE)

CAUTION:

Use the new transmitter assembly or replace

the new valve and screw, when installing.

1) Replace the valve and screw with a new part

when reusing transmitter.

Tightening torque:

1.4 N·m (0.14 kgf-m, 1 ft-lb)

(1) Wheel
(2) Transmitter
(3) Screw
(4) Valve

WT-00125

(1)

(2)

(4)

(3)

(1) Screw
(2) Transmitter
(3) Valve

SL-00747

SL-00800

WT-00167

(2)

(3)

(1)

WT-9

Tire Pressure Monitoring System

WHEEL AND TIRE SYSTEM

2) Install the transmitter to the wheel by aligning it

with valve hole.
NOTE:

When using the jig that pulls the valve cap by hook-

ing its neck part, use another short-type cap.

3) Install the tires to wheels.
CAUTION:

• Use a tire changer when installing tire to

wheel.

• To prevent damaging the transmitter, set the

tire changer boom in the position as shown in

the figure.

4) Install the wheels to vehicle. <Ref. to WT-4, IN-

STALLATION, Tire and Wheel.>

5) Register the transmitter ID to the TPMS & key-

less entry control module. <Ref. to TPM(diag)-9,

REGISTER TRANSMITTER ID, OPERATION,

Subaru Select Monitor.>

2. TPMS & KEYLESS ENTRY CONTROL

MODULE

Install each part in the reverse order of removal.
Tightening torque:

13 N·m (1.33 kgf-m, 9.6 ft-lb)

C: ADJUSTMENT

Re-register the transmitter ID when transmitter has

been replaced. <Ref. to TPM(diag)-9, REGISTER

TRANSMITTER ID, OPERATION, Subaru Select

Monitor.>

Re-register the keyless transmitter when TPMS &

keyless entry control module has been replaced.

<Ref. to SL-49, REGISTRATION OF KEYLESS

TRANSMITTER WITH SUBARU SELECT MONI-

TOR, REPLACEMENT, Transmitter.>

(1) Transmitter
(2) Direction of turn table rotation
(3) 135°
(4) Tire changer boom
(5) 90°
(6) Starting point for fitting the bead to the rim

(1)

(6)

(5)

(3)

(4)

(2)

WT-00130

WT-10

General Diagnostic Table

WHEEL AND TIRE SYSTEM

5. General Diagnostic Table

A: INSPECTION

Symptoms

Possible cause

Corrective action

Wheel is out of balance.

Improperly inflated tire.

Adjust the tire pressure.

Uneven wear

Check the tire referring to Abnormal tire wear
in this table, carry out the procedure and
replace the tire.

Front wheel alignment

Check the front wheel alignment. <Ref. to
FS-8, INSPECTION, Wheel Alignment.>

Rear wheel alignment

Check the rear wheel alignment. <Ref. to RS-
8, INSPECTION, Wheel Alignment.>

Front strut

Check the front strut. <Ref. to FS-26,
INSPECTION, Front Strut.>

Rear shock absorber

Check the rear shock absorber. <Ref. to RS-
14, INSPECTION, Rear Shock Absorber.>

Front axle

Check the front axle. <Ref. to DS-17,
INSPECTION, Front Axle.>

Front hub unit bearing

Check the front hub unit bearing. <Ref. to
DS-19, INSPECTION, Front Hub Unit Bear-
ing.>

Rear hub unit bearing

Check the rear hub unit bearing. <Ref. to DS-
26, INSPECTION, Rear Hub Unit Bearing.>

Vehicle is abnormally out of
balance.

Improperly inflated tire.

Adjust the tire pressure.

Uneven wear

Check the tire referring to Abnormal tire wear
in this table, carry out the procedure and
replace the tire.

Front stabilizer

Inspect the front stabilizer. <Ref. to FS-17,
INSPECTION, Front Stabilizer.>

Front wheel alignment

Check the front wheel alignment. <Ref. to
FS-8, INSPECTION, Wheel Alignment.>

Rear wheel alignment

Check the rear wheel alignment. <Ref. to RS-
8, INSPECTION, Wheel Alignment.>

Abnormal wheel vibration

Improperly inflated tire.

Adjust the tire pressure.

Uneven wear

Check the tire referring to Abnormal tire wear
in this table, carry out the procedure and
replace the tire.

Improper wheel balancing

Check the wheel balance. <Ref. to WT-6,
WHEEL BALANCING, INSPECTION, Tire
and Wheel.>

Front axle

Check the front axle. <Ref. to DS-17,
INSPECTION, Front Axle.>

Front hub unit bearing

Check the front hub unit bearing. <Ref. to
DS-19, INSPECTION, Front Hub Unit Bear-
ing.>

Rear hub unit bearing

Check the rear hub unit bearing. <Ref. to DS-
26, INSPECTION, Rear Hub Unit Bearing.>

Abnormal tire wear

Improperly inflated tire.

Adjust the tire pressure.

Improper wheel balancing

Check the wheel balance. <Ref. to WT-6,
WHEEL BALANCING, INSPECTION, Tire
and Wheel.>

Front wheel alignment

Check the front wheel alignment. <Ref. to
FS-8, INSPECTION, Wheel Alignment.>

Rear wheel alignment

Check the rear wheel alignment. <Ref. to RS-
8, INSPECTION, Wheel Alignment.>