Variable Induction System: Service and Repair

REMOVAL

1. REMOVE V-BANK COVER
2. REMOVE INTAKE AIR CONNECTOR
3. DISCONNECT THROTTLE BODY FROM INTAKE MANIFOLD
(a) Disconnect the accelerator cable.

(b) Disconnect these connectors and wire clamps:
(1) Accelerator pedal position sensor connector
(2) Throttle position sensor connector
(3) Throttle control motor connector
(4) Wire clamps
(c) Remove the 2 bolts and 2 nuts, and disconnect the throttle body.
(d) Remove the gasket.
4. REMOVE V-BANK COVER BRACKETS
5. REMOVE INTAKE MANIFOLD ASSEMBLY

6. REMOVE ACTUATOR
Remove the 3 nuts, actuator and gasket.
7. REMOVE UPPER INTAKE MANIFOLD
(a) Disconnect the vacuum hose from the actuator.

(b) Remove the bolt, and disconnect the VSV connector for ACIS from the upper intake manifold.

8. REMOVE INTAKE AIR CONTROL VALVE
Remove the 6 bolts and intake air control valve.

INSTALLATION

1. INSTALL INTAKE AIR CONTROL VALVE
Install the intake air control valve to the upper intake manifold with the 6 bolts.

Torque: 8.5 N.m (85 kgf.cm, 75 in.lbf)

2. INSTALL UPPER INTAKE MANIFOLD
(a) Place a new gasket on the lower intake manifold.

(b) Install the upper intake manifold with the 3 nuts and 15 bolts.

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

HINT: Each bolt length is indicated in the illustration.

Bolt length:
30 mm (1.18 in.) for A
20 mm (0.79 in.) for others

(c) Connect the vacuum hose to the actuator.

HINT: Pass the vacuum hose under the fuel pipe.

(d) Connect the VSV connector for ACIS to the intake manifold with the bolt.
3. INSTALL ACTUATOR
(a) Place a new gasket to the upper intake manifold.

(b) Install the actuator to the upper intake manifold with the 3 nuts.
4. INSTALL INTAKE MANIFOLD ASSEMBLY
5. INSTALL V-BANK COVER BRACKETS
6. CONNECT THROTTLE BODY
(a) Place the gasket to the intake manifold.
(b) Connect the throttle body with the 2 bolts and 2 nuts.

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

(c) Connect these connectors and wire clamps:
(1) Accelerator pedal position sensor connector
(2) Throttle position sensor connector
(3) Throttle control motor connector
(4) Wire clamps
(d) Connect the accelerator cable.
7. CHECK FOR FUEL LEAKS
8. INSTALL INTAKE AIR CONNECTOR
9. INSTALL V-BANK COVER