Throttle Body ASSY (3MZ-FE): Replacement

DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
REMOVE RADIATOR LOWER AIR DEFLECTOR
DRAIN ENGINE COOLANT (See ENGINE COOLANT (3MZ-FE) )
REMOVE FRONT SUSPENSION UPPER BRACE CENTER (W/O TEMS)
1. Remove the 4 nuts, then remove the front suspension upper brace center and 4 spacers.
2. Temporarily tighten the 4 nuts.
  
  Fig 1: Removing Front Suspension Upper Brace Center (W/O Tems)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE V-BANK COVER SUB-ASSY
1. Using a socket hexagon wrench 5, remove the 3 nuts.
2. Unfasten the 2 retainers, then remove the V-bank cover.
  
  Fig 2: Removing V-Bank Cover Sub-Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE AIR CLEANER CAP SUB-ASSY
1. Disconnect the mass air flow meter connector.
2. Disconnect the 4 vacuum hoses.
3. Disconnect the ventilation hose No. 2.
4. Disconnect the fuel vapor feed hose from the 2 hose clamps.
5. Loosen the 2 air cleaner cap bolts.
6. Loosen the air cleaner hose clamp bolt, then remove the air cleaner cap.
7. Remove the air cleaner filter element.
  
  Fig 3: Removing Air Cleaner Cap Sub-Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE THROTTLE BODY ASSY
1. Disconnect the throttle motor connector.
2. Disconnect the water by-pass hose No. 2.
3. Disconnect the water by-pass hose No. 3.
  
  Fig 4: Removing Throttle Body Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the 4 bolts, then remove the throttle body.
5. Remove the gasket from the intake air connector.
  
  Fig 5: Removing Throttle Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL THROTTLE BODY ASSY
1. Install a new gasket to the intake air connector.
2. Instal the throttle body with the 4 bolts.
  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)
CHECK CONNECTION OF VACUUM HOSE
CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
ADD ENGINE COOLANT (See ENGINE COOLANT (3MZ-FE) )
CHECK FOR ENGINE COOLANT LEAKS (See ON-VEHICLE INSPECTION )
INSTALL V-BANK COVER SUB-ASSY
1. Fit the 2 retainers, then 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)
INSTALL FRONT SUSPENSION UPPER BRACE CENTER (W/O TEMS)
Torque: 80 N.m (816 kgf.cm, 59 ft.lbf)
INSTALL RADIATOR LOWER AIR DEFLECTOR
SYSTEM INITIALIZATION (See PRECAUTION )