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Home >> Lexus >> 2008 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Intake Manifold >> Service and Repair >> Reassembly
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Reassembly








3UZ-FE INTAKE: INTAKE MANIFOLD:

REASSEMBLY

1. INSTALL VACUUM SWITCHING VALVE ASSEMBLY (for ACIS)






(a) Install the VSV to the vacuum tank with the screw.
Torque: 1.4 Nm (14 kgf-cm, 12 in-lbf)
2. INSTALL INTAKE AIR CONTROL VALVE ASSEMBLY






(a) Install the valve with the 6 bolts.
Torque: 8.5 Nm (87 kgf-cm, 75 in-lbf)
3. INSTALL INTAKE MANIFOLD SUB-ASSEMBLY UPPER
(a) Install a new gasket and the manifold upper to the manifold lower with the 14 bolts and 6 nuts.





Torque: 18 Nm (184 kgf-cm, 13 ft-lbf)
4. INSTALL INTAKE AIR CONTROL VALVE ACTUATOR
HINT: Before installing the actuator, adjust the intake air control valve to the fully closed position.





(a) Install a new gasket and the actuator with the 3 nuts.
Torque: 8.5 Nm (87 kgf-cm, 75 in-lbf)
5. INSTALL VACUUM CONTROL VALVE SET






(a) Install the vacuum control valve set with the 2 nuts.
Torque: 18 Nm (184 kgf-cm, 13 ft-lbf)
(b) Connect the 2 vacuum hoses to the manifold and clamp.
(c) Connect the VSV connector (for ACIS).
(d) Install the harness clamp to the manifold with the bolt.
Torque: 7.5 Nm (76 kgf-cm, 66 in-lbf)
(e) Connect the vacuum hose to the air control valve actuator.
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