Variable Induction Control Valve: Service and Repair

ACIS INTAKE AIR CONTROL VALVE REMOVAL AND INSTALLATION

Components:

COMPONENTS FOR REMOVAL AND INSTALLATION

INTAKE AIR CONTROL VALVE REMOVAL

1. REMOVE VSV FOR FUEL PRESSURE CONTROL

VSV For Fuel Pressure Control:

- Disconnect the connector and hoses:
(1) VSV connector
(2) Vacuum sensing hose from fuel pressure regulator
(3) Vacuum sensing hose from air Intake chamber

A/T Dipstick And Guide:

2. REMOVE OIL DIPSTICK AND GUIDE FOR A/T
- Remove the bolt.
- Pull out the dipstick guide together with the dipstick.

INSTALLATION HINT: Apply soapy water to the O-ring, and push in the dipstick guide.

- Remove the O-ring from the dipstick guide.

INSTALLATION HINT: Use a new O-ring.

Engine Oil Dipstick And Guide:

3. REMOVE OIL DIPSTICK AND GUIDE FOR ENGINE
- Disconnect the fuel return hose from the clamp of the dipstick guide.
- Remove the bolt.
- Pull out the dipstick guide together with the dipstick.

INSTALLATION HINT: Apply soapy water to the O-ring, and push in the dipstick guide

- Remove the O-ring from the dipstick guide.

INSTALLATION HINT: Use a new O-ring.

EGR Pipe Removal:

4. REMOVE EGR PIPE
- Loosen the union nut of the EGR pipe.

Torque: 64 N.m (650 kgf.cm, 47 ft.lbf)

- Remove the 2 bolts, EGR pipe and gasket.

Torque: 27 N.m (280 kgf.cm, 20 ft.lbf)

EGR Gas Temperature Sensor Removal:

5. DISCONNECT EGR GAS TEMPERATURE SENSOR CONNECTOR
- Disconnect the connector from the No.2 vacuum pipe.
- Disconnect the sensor connector from the wiring connector.
6. DISCONNECT NO.2 VACUUM PIPE AND VSV ASSEMBLY
- Remove the 2 nuts, and disconnect the vacuum pipe from the air intake chamber and intake manifold.

Torque: 27 N.m (280 kgf.cm, 20 ft.lbf)

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

Throttle Body Bracket Removal:

- Remove the 2 nuts holding the throttle body bracket to the cylinder head.

Torque: 21 N.m (210 kgf.cm, 15 ft.lbf)

Intake Air Connector Removal:

- Remove the 4 bolts and 2 nuts holding the intake air connector to the air intake chamber.

Torque: 27 N.m (280 kgf.cm, 20 ft.lbf)

Engine Wire Protector:

Hose Connections:

- Remove the bolt, and disconnect the engine wire protector from the air intake chamber.
- Disconnect these hoses:
(1) 3 vacuum hoses (from No.2 vacuum pipe) from No.1 vacuum pipe
(2) Vacuum hose (from 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, and disconnect the vacuum hose.

Torque: 29 N.m (300 kgf.cm, 22 ft.lbf)

(5) Vacuum hose (from actuator for ACIS) from No.1 vacuum pipe
- Loosen the 2 nuts holding the air intake chamber stays to the cylinder head.

Torque: 18 N.m (185 kgf.cm, 13 ft.lbf)

Air Intake Chamber Stays:

- Remove the 2 bolts, and disconnect the 2 air intake chamber stays from the air intake chamber.

Torque: 18 N.m (185 kgf.cm, 13 ft.lbf)

Air Intake Chamber Removal:

- Remove the 5 bolts, nut, air intake chamber and 2 gaskets.

Torque: 27 N.m (280 kgf.cm, 20 ft.lbf)

Air Intake Chamber Gasket Orientation:

INSTALLATION HINT: Install the gasket to the air intake chamber, facing the protrusion rearward.

INTAKE AIR CONTROL VALVE INSTALLATION

INSTALLATION HINT: Installation is in the reverse order of removal.