Removal & Installation (4Runner 4.0L)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2003 Toyota Tundra, 2003 Toyota Tacoma, 2003 Toyota Sienna, 2003 Toyota Sequoia, and 2003 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE under FUEL SYSTEMS.
- Drain cooling system.
- Remove "V" bank cover.
- Disconnect electrical connectors, vacuum hose and ventilation hose from air cleaner assembly. Remove air cleaner assembly
- Disconnect the 2 VSV connectors, disconnect the throttle motor connector and disconnect fuel vapor feed hose from air intake chamber. Remove the 3 wire harness clamps and hose clamp.
- Remove the 3 upper bolts which are used to secure 2 air intake chamber stays and throttle body bracket.
- Remove the 4 bolts. Remove the 2 nuts, air intake chamber and gasket with throttle body attached.
- Disconnect electrical connector at ECT sensor. See ENGINE COOLANT TEMPERATURE SENSOR LOCATION table. Remove ECT sensor.
- To install, reverse removal procedure using NEW gaskets. Tighten bolts/nuts to specification. See TORQUE SPECIFICATIONS .
- Fill cooling system.
ENGINE COOLANT TEMPERATURE SENSOR LOCATION
| Model | Location | |
|---|---|---|
| Avalon | On Coolant Housing In Front Of Intake Manifold, At Timing Belt End Of Engine | |
| Camry | On Coolant Housing In Front Of Intake Manifold, At Timing Belt End Of Engine | |
| Camry Solara | On Coolant Housing In Front Of Intake Manifold, At Timing Belt End Of Engine | |
| Highlander | On Coolant Housing In Front Of Intake Manifold, At Timing Belt End Of Engine | |
| Land Cruiser | Passenger's Side Of Coolant Pipe At Front Of Engine, In Front Of Intake Manifold | |
| Sequoia | Passenger's Side Of Coolant Pipe At Front Of Engine, In Front Of Intake Manifold | |
| Sienna | On Coolant Housing In Front Of Intake Manifold, At Timing Belt End Of Engine | |
| Tacoma | Behind Upper Timing Belt Cover, On Top Of Intake Manifold | |
| Tundra | ||
| 3.4L | Behind Upper Timing Belt Cover, On Top Of Intake Manifold | |
| 4.7L | Passenger's Side Of Coolant Pipe At Front Of Engine, In Front Of Intake Manifold | |
| 4Runner | ||
| 4.0L | On Water By-Pass Pipe Located At Rear Of Engine | |
| 4.7L | Passenger's Side Of Coolant Pipe At Front Of Engine, In Front Of Intake Manifold | |