Throttle Body ASSY: Replacement

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

DRAIN ENGINE COOLANT (See REPLACEMENT )
REMOVE V-BANK COVER SUB-ASSY
1. Using a socket hexagon wrench 5, remove the 3 nuts.
2. Remove the V-bank cover.
Fig 1: Removing V-Bank Cover
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE AIR CLEANER CAP SUB-ASSY
1. Disconnect the mass air flow meter connector.
2. Disconnect the 3 vacuum hoses.
3. Remove the fuel vapor feed hose from the 2 hose clamps.
4. Disconnect the ventilation hose.
5. Loosen the 2 air cleaner cap bolts.
6. Loosen the hose clamp bolt and remove the air cleaner cap together with the air cleaner hose No. 1.
7. Remove the air cleaner filter element.
Fig 2: Removing Air Cleaner Cap Sub-Assy
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE THROTTLE BODY ASSY
1. Disconnect the throttle motor connector.
  
  Fig 3: Disconnecting Throttle Motor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the water by-pass hose No. 2.
3. Disconnect the water by-pass hose No. 3.
4. Remove the 2 bolts, the 2 nuts and the throttle body.
  
  Fig 4: Removing Throttle Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Remove the gasket from the intake air connector.
INSTALL THROTTLE BODY ASSY
1. Install a new gasket to the intake air connector.
2. Install the throttle body with the 2 bolts and the 2 nuts.
  Torque: 11 N.m (112 kgf.cm, 8 ft.lbf)
3. Connect the water by-pass hose No. 3.
4. Connect the water by-pass hose No. 2.
5. Connect the throttle motor connector.
INSTALL AIR CLEANER CAP SUB-ASSY
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)
ADD ENGINE COOLANT (See REPLACEMENT )
CHECK FOR ENGINE COOLANT LEAKS (See ON-VEHICLE INSPECTION )
INSTALL V-BANK COVER SUB-ASSY
1. Fit the 2 retainers and install the V-bank cover.
2. Using a socket hexagon wrench 5, tighten the 3 nuts.
  Torque: 7.9 N.m (81 kgf.cm, 70 in.lbf)