Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual - part 144

EC(w/o STI)-9

Canister

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

15) Disconnect purge tube (A) and vent tube (B).
NOTE:

Disconnect the quick connector as shown in the fig-

ure.

16) Remove  purge  tube  (A),  vent  tube  (B),  and

drain tube A (C).

B: INSTALLATION

Install in the reverse order of removal while being

careful of the following.

• Connect the quick connector as shown in the fig-

ure.
CAUTION:

• Check that there is no damage or dust on the

quick  connector.  If  necessary,  clean  the  seal

surface of the pipe.

• When  connecting  the  quick  connector,  se-

curely insert the pipe all the way before locking

the retainer.

• When it is difficult to lock the retainer, make

sure that the pipe is securely inserted.

• Make sure that the quick connector is secure-

ly connected.

(a) Retainer

EC-02281

(a)

(a)

(a)

EC-02980

(B)

(A)

EC-02981

(C)

(A)

(B)

(a) Retainer

EC-02295

(a)

(a)

(a)

EC(w/o STI)-10

Canister

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

Tightening torque:

7.5 N·m (0.8 kgf-m, 5.5 ft-lb)

Tightening torque:

18 N·m (1.8 kgf-m, 13.3 ft-lb)

Tightening torque:

8 N·m (0.8 kgf-m, 5.9 ft-lb)

Tightening torque:

18 N·m (1.8 kgf-m, 13.3 ft-lb)

C: INSPECTION

1) Check that the canister and leak check valve as-

sembly have no deformation, cracks or other dam-

ages.

2) Check that the tube has no cracks, damage or

loose part.

EC-02982

EC-02983

EC-02984

EC-02985

EC-02986

EC-02987

EC(w/o STI)-11

Purge Control Solenoid Valve

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

5. Purge Control Solenoid Valve

A: REMOVAL

1. PURGE CONTROL SOLENOID VALVE 1

1) Disconnect the ground cable from battery.

2) Remove  the  bolts  which  secure  purge  control

solenoid valve 1 to the intake manifold, and discon-

nect the connector from the purge control solenoid

valve 1.

3) Disconnect the vacuum hose from purge control

solenoid valve 1.

2. PURGE CONTROL SOLENOID VALVE 2

1) Disconnect the ground cable from battery.

2) Remove  the  solenoid  valve  bracket  assembly

from the intake manifold.

3) Disconnect the connector and the vacuum hose

from purge control solenoid valve 2.

4) Remove the purge control solenoid valve 2 from

the solenoid valve bracket assembly.

IN-00203

EC-02265

IN-00203

EC-00219

EC-02266

EC(w/o STI)-12

Purge Control Solenoid Valve

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

B: INSTALLATION

1. PURGE CONTROL SOLENOID VALVE 1

Install in the reverse order of removal.
NOTE:

Connect the vacuum hose as shown in the figure.

Tightening torque:

6.4 N·m (0.7 kgf-m, 4.7 ft-lb)

2. PURGE CONTROL SOLENOID VALVE 2

Install in the reverse order of removal.
NOTE:

Connect the vacuum hose as shown in the figure.

Tightening torque:

6.4 N·m (0.7 kgf-m, 4.7 ft-lb)

(A) Purge control solenoid valve 1
(B) Purge control solenoid valve 2

(a) To intake manifold
(b) To intake duct

(c) To fuel pipe

(A)

(B)

(b)

(c)

(c)

(a)

EC-02517

(A) Purge control solenoid valve 1
(B) Purge control solenoid valve 2

(a) To intake manifold
(b) To intake duct

(c) To fuel pipe

(A)

(B)

(b)

(c)

(c)

(a)

EC-02517

EC-02266