Sienna AWD V6-3.5L (2GR-FE) (2007)
Knock Sensor: Service and Repair
REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE
2. REMOVE V-BANK COVER SUB-ASSEMBLY
3. DRAIN ENGINE COOLANT
4. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
5. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY
6. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
7. REMOVE AIR CLEANER CASE SUB-ASSEMBLY
8. REMOVE INTAKE AIR SURGE TANK ASSEMBLY
a. Disconnect the 2 water by-pass hoses from the throttle body [A].
b. Disconnect the vapor feed hose [B].
c. Disconnect the throttle body connector and clamp [C].
d. Disconnect the ventilation hose [D].
e. Disconnect the union to check valve hose [E].
f.
Disconnect the connector [F].