Sienna FWD V6-3.3L (3MZ-FE) (2006)
Throttle Body: Service and Repair
REMOVAL
1. DRAIN ENGINE COOLANT.
2. REMOVE V-BANK COVER SUB-ASSEMBLY
a. Using a socket hexagon wrench 5, remove the 3 nuts.
b. Remove the V-bank cover.
3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
a. Disconnect the mass air flow meter connector.
b. Disconnect the 3 vacuum hoses.
c. Remove the fuel vapor feed hose from the 2 hose clamps.
d. Disconnect the ventilation hose.
e. Loosen the 2 air cleaner cap bolts.
f.
Loosen the hose clamp bolt and remove the air cleaner cap together with the No. 1 air cleaner hose.
g. Remove the air cleaner filter element.
4. REMOVE THROTTLE BODY ASSEMBLY
a. Disconnect the throttle motor connector.
b. Disconnect the No. 2 water by-pass hose.
c. Disconnect the No. 3 water by-pass hose.