Variable Induction Control Valve: Service and Repair

INTAKE AIR CONTROL VALVE REMOVAL
1. DISCONNECT NEGATIVE TERMINAL CABLE FROM BATTERY.

CAUTION: Work must be started after go seconds from the time the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from the battery.

2. REMOVE VSV FOR FUEL PRESSURE CONTROL.
(a) Disconnect the following connector and hoses:



(1) VSV connector
(2) Vacuum sensing hose from fuel pressure control
(3) Vacuum sensing hose from air intake chamber

3. REMOVE ATF DIPSTICK AND GUIDE.
(a) Remove the bolt.



(b) Pull out the dipstick guide together with the dipstick.
(c) Remove the O-ring from the dipstick guide.

4. REMOVE ENGINE OIL DIPSTICK AND GUIDE.



(a) Disconnect the fuel return hose from the clamp of the dipstick guide.
(b) Remove the bolt.
(c) Pull out the dipstick guide together with the dipstick.
(d) Remove the O-ring from the dipstick guide.

5. REMOVE EGR PIPE.



(a) Loosen the union nut of the EGR pipe.
(b) Remove the 2 bolts, EGR pipe and gasket.

6. DISCONNECT EGR GAS TEMPERATURE SENSOR CONNECTOR.



(a) Disconnect the connector from the No.2 vacuum pipe.
(b) Disconnect the sensor connector from the wiring connector.

7. DISCONNECT NO.2 VACUUM PIPE FROM AIR INTAKE CHAMBER AND INTAKE MANIFOLD.
- Remove the 2 nuts, and disconnect the vacuum pipe from the air intake chamber and intake manifold.

8. REMOVE AIR INTAKE CHAMBER (WITH INTAKE AIR CONTROL VALVE).



(a) Remove the 2 nuts holding the throttle body bracket to the cylinder head.



(b) Remove the 4 bolts and 2 nuts holding the intake air. connector to the air intake chamber.
(c) Remove the bolt, and disconnect the engine wire protector. from the air intake chamber.
(d) Disconnect the following hoses:



(1) 3 vacuum hoses (to No.2 vacuum pipe) from No.1 vacuum pipe
(2) Vacuum hose (to No.2 vacuum pipe) from air intake chamber



(3) PS air hose from air intake chamber.
(4) Brake booster vacuum hose from air intake chamber.
- Remove the union bolt and 2 gaskets. Vacuum sensing hose (to fuel pressure regulator) from air intake chamber.



(e) Loosen the 2 nuts holding the air intake chamber stays to the cylinder head.
(f) Remove the 2 bolts, and disconnect the 2 air intake chamber stays from the air intake chamber.



(g) Remove the 5 bolts, nut, air intake chamber and gaskets.

INTAKE AIR CONTROL VALVE INSTALLATION
1. INSTALL AIR INTAKE CHAMBER.



(a) Install a new gasket to the air intake chamber, facing the protrusion rearward.



(b) Install a new gasket to the intake manifold.
(c) Install the air intake chamber with the 5 bolts and 1 nut.
Torque: 21 Nm (15 ft.lb)




(d) Install the No.1 stay with the bolt and nut.
Torque: 18 Nm (13 ft.lb)

(e) Install the No.2 stay with the bolt and nut.
Torque: 18 Nm (13 ft.lb)

(f) Install the engine wire protector to the air intake chamber with the bolt.
(g) Connect the following hoses:



(1) 3 vacuum hoses (from No.2 vacuum pipe) to No.1 vacuum pipe
(2) Vacuum hose (from No.2 vacuum pipe) to air intake chamber



(3) PS air hose from air intake chamber
(4) Brake booster vacuum hose to air intake chamber Connect the vacuum hose with 2 new gaskets and union bolt.
Torque: 29 Nm (22 ft.lb)

(5) Vacuum hose (from actuator for ACIS) to No.1 vacuum pipe
(6) Except California Vehicles: Vacuum sensing hose (to fuel pressure regulator) from air intake chamber



(h) Install the intake air connector to the air intake chamber with the 4 bolts and 2 nuts.
Torque: 21 Nm (15 ft.lb)




(i) Install the throttle body bracket to the cylinder head with the 2 nuts.
Torque: 21 Nm (15 ft.lb)

2. INSTALL NO.2 VACUUM PIPE.



- Install the vacuum pipe with the 2 nuts.
Torque: 21 Nm (15 ft.lb)

3. CONNECT EGR GAS TEMPERATURE SENSOR CONNECTOR.
(a) Connect the sensor connector to the wiring connector.
(b) Install the connector to the No.2 vacuum pipe.

4. INSTALL EGR PIPE.



(a) Temporarily install the union nut of the EGR pipe.
(b) Install a new gasket and the EGR pipe to the cylinder head with the 2 bolts.
Torque: 21 Nm (15 ft.lb)

(c) Tighten the union nut of the EGR pipe.
Torque: 64 Nm (47 ft.lb)


5. INSTALL OIL DIPSTICK GUIDE FOR ENGINE.



(a) Install a new O-ring on the dipstick guide.
(b) Apply soapy water on the O-ring.
(c) Connect the dipstick guide end to the oil pan.
(d) Install the dipstick guide with the bolt.
(e) Install the fuel return hose to the clamp of the dipstick guide.

6. INSTALL OIL DIPSTICK GUIDE FOR A/T.



(a) Install a new O-ring on the dipstick guide.
(b) Apply soapy water on the O-ring.
(c) Connect the dipstick guide end to the oil pan
(d) Install the dipstick guide with the bolt.

7. INSTALL VSV FOR FUEL PRESSURE CONTROL.
(a) Install the VSV with the bolt.
(b) Connect the following connector and hoses:



(1) VSV connector
(2) Vacuum sensing hose to fuel pressure control
(3) Vacuum sensing hose to air intake chamber

8. CONNECT NEGATIVE TERMINAL CABLE TO BATTERY.