Variable Induction System: Service and Repair
Acoustic Control Induction System (ACIS) Part 1:
Acoustic Control Induction System (ACIS) Part 2:
Acoustic Control Induction System (ACIS) Part 3:
Acoustic Control Induction System (ACIS) Part 4:
REMOVAL
1. REMOVE V-BANK COVER
2. REMOVE AIR CLEANER INLET AND INTAKE AIR CONNECTOR
3. DISCONNECT THROTTLE BODY FROM INTAKE MANIFOLD
a. Disconnect the connector from the throttle body.
b. Disconnect the water hose from the throttle body.
c. Disconnect the PCV hose from the throttle body.
d. Remove the 2 bolts and 2 nuts, and disconnect the throttle body.
e. Remove the gasket.
4. REMOVE INTAKE MANIFOLD ASSEMBLY
5. REMOVE ACTUATOR
a. Disconnect the vacuum hose from the actuator.
b. Remove the 3 nuts, actuator and gasket.
6. REMOVE UPPER INTAKE MANIFOLD
Remove the 3 nuts, 15 bolts, upper intake manifold and gasket.
7. 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
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.
Torque: 8.5 N.m (85 kgf.cm, 75 in.lbf)
c. Connect the vacuum hose to the actuator.
HINT: Pass the vacuum hose under the fuel pipe.
4. INSTALL INTAKE MANIFOLD ASSEMBLY
5. CONNECT THROTTLE BODY
a. Place a new 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 the connector to the throttle body.
d. Connect the water hose to the throttle body.
e. Connect the PCV hose the the throttle body.
6. CHECK FOR FUEL LEAKS
7. INSTALL INTAKE AIR CONNECTOR, AIR CLEANER INLET AND BATTERY CLAMP COVER
8. INSTALL V-BANK COVER