Section 259 (Intake Air Control System): Replacement: 2AZ-FE

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

DRAIN ENGINE COOLANT (See COOLANT )
REMOVE FRONT SUSPENSION UPPER BRACE CENTER (W/ PERFORMANCE ROD)
REMOVE ENGINE COVER SUB-ASSY NO. 1
1. Remove the 2 nuts and engine cover.
  
  Fig 1: Removing Engine Cover Sub-Assy No. 1
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE AIR CLEANER CAP SUB-ASSY
1. Disconnect the MAF meter connector.
2. Disconnect the VSV connector.
3. Disconnect the fuel vapor feed hose No. 2.
4. Disconnect the ventilation hose.
5. Disconnect the fuel vapor feed hose No. 1.
6. Loosen the 2 air cleaner cap bolts.
7. Lock the air cleaner hose clamp and remove the air cleaner cap together with the air cleaner hose.
  
  Fig 2: Removing Air Cleaner Cap Sub-Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE INTAKE MANIFOLD
1. Disconnect the ventilation hose No. 2.
2. Disconnect the union to connector tube hose.
  
  Fig 3: Removing Intake Manifold Components (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the throttle motor connector.
4. Remove the wire harness from the wire harness clamp.
5. Remove the fuel tube from the fuel pipe support.
6. Disconnect the water by-pass hose No. 2
7. Disconnect the water by-pass hose.
  
  Fig 4: Removing Intake Manifold Components (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. In order to remove the intake manifold, Uniformly remove the 5 bolts and 2 nuts in the sequence shown in the illustration.
9. Remove the gasket from the intake manifold.
  
  Fig 5: Removing Sequence Intake Manifold Fasteners
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE INTAKE AIR CONTROL VALVE ASSY
1. Disconnect the IAC valve connector.
2. Remove the IAC valve and gasket from the cylinder head.
INSTALL INTAKE AIR CONTROL VALVE ASSY
1. Install a new gasket and the IAC valve to the cylinder head.
2. Connect the IAC valve connector.
  
  Fig 6: Identifying IAC Valve Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL INTAKE MANIFOLD
1. Install a new gasket to the intake manifold.
2. Install the intake manifold with the 5 bolts and 2 nuts. Uniformly tighten the bolts and nuts in the sequence shown in the illustration.
  Torque: 30 N.m (306 kgf.cm, 22 ft.lbf)
  
  Fig 7: Installing Sequence Intake Manifold Fasteners
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the water by-pass hose.
4. Connect the water by-pass hose NO. 2
5. Install the fuel tube to the fuel pipe support.
6. Install the wire harness to the wire harness clamp.
7. Connect the throttle motor connector.
8. Connect the union to connector tube hose.
9. Connect the ventilation hose No. 2.
INSTALL AIR CLEANER CAP SUB-ASSY
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)
ADD ENGINE COOLANT (See COOLANT )
CHECK FOR ENGINE COOLANT LEAKS (See ON-VEHICLE INSPECTION )
INSTALL ENGINE COVER SUB-ASSY NO. 1
Torque: 7.0 N.m (71 kgf.cm, 62 in.lbf)
INSTALL FRONT SUSPENSION UPPER BRACE CENTER (W/ PERFORMANCE ROD)
Torque: 80 N.m (815 kgf.cm, 59 ft.lbf)