Sequoia 4WD V8-4.7L (2UZ-FE) (2006)
Air Injection Pump: Service and Repair
REMOVAL
1. REMOVE THROTTLE BODY COVER
2. REMOVE INTAKE MANIFOLD
3. REMOVE VSV FOR AIR INJECTION SYSTEM
a. Remove the 2 bolts and 2 VSVs from the intake manifold.
b. Remove the 2 vacuum hoses from the 2 VSVs.
4. REMOVE AIR PUMP ASSEMBLY
a. Disconnect the air hose No.2 from the air switching valve.
b. Disconnect the air switching valve connector.
c. Disconnect the pressure sensor connector for the air injection system.
d. Remove the 4 bolts and air pump assembly.
5. REMOVE NO.2 AIR SWITCHING VALVE
a. Remove the 4 nuts and 2 gaskets, and disconnect the 2 No.3 air tubes from the exhaust manifolds.
b. Remove the 4 bolts, 2 gaskets and the 2 No.3 air tubes from the 2 No.2 air switching valves.