REMOVAL & INSTALLATION
| WARNING | Deactivate air bag system before performing any service operation. See AIR BAG RESTRAINT SYSTEMS article. DO NOT apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy. |
Removal & Installation (ES300)
Disconnect battery cables. Remove battery and battery tray. (Scheme 6) Remove cruise control actuator. Disconnect A/T shift control cable and engine wiring. Remove starter wiring nut and disconnect starter wiring. Disconnect starter connector. Remove starter bolts, A/T shift control cable clamp, and starter. To install, reverse removal procedure. Tighten starter bolts to specification. See TORQUE SPECIFICATIONS.
Scheme 6
Removal & Installation (GS300 & IS300)
Disconnect negative battery cable. Remove starter wiring nut and disconnect starter wiring. Disconnect starter connector. Remove starter bolts and remove starter. To install, reverse removal procedure. Tighten starter bolts to specification. See TORQUE SPECIFICATIONS .
Removal (GS430 & LS430)
Note. On GS430 and LS430, starter is located under lower intake manifold, at rear of engine.
- Disconnect negative battery cable. Remove engine undercover. Drain cooling system. Remove "V" bank cover. Remove intake air connector pipe. Disconnect accelerator cable and all electrical connectors from throttle body. Remove 2 bolts and 2 nuts, and disconnect throttle body from intake manifolds. Remove throttle body gasket.
- Disconnect fuel inlet hose from fuel main tube. Remove all brackets and components, and disconnect all electrical connectors, hoses, and tubes necessary for removal of intake manifold assembly. Disconnect fuel injector wiring harness connectors.
- Remove engine wiring clamps from brackets. Remove bolts, and engine wiring harness protectors from upper intake manifold, by-pass joints, right delivery pipe, and cylinder head. Remove 6 bolts, and 4 nuts attaching intake manifold to cylinder heads. Remove intake manifold assembly and gaskets.
- Disconnect heater hoses from coolant by-pass pipe and remove by-pass pipe. Remove rear coolant by-pass joints and gaskets. Remove starter wiring nut and disconnect starter wiring. Disconnect starter connector. Remove 2 starter bolts and starter.
Installation
To install, reverse removal procedure. Tighten bolts and nuts to specification. See TORQUE SPECIFICATIONS . Ensure White mark on intake manifold gasket faces upward. Fill cooling system. Start engine and check for coolant, vacuum, and fuel leaks.
Removal & Installation (RX300)
Disconnect battery cables. Remove battery and battery tray. Disconnect MAF meter connector, wire clamp, and EVAP hose from air cleaner cap. Remove air cleaner cap and air filter. Remove 3 bolts and air cleaner case. Remove starter wiring nut and disconnect starter wiring. Disconnect starter connector. Remove starter bolts and starter. To install, reverse removal procedure. Tighten starter bolts and air cleaner case bolts to specification. See TORQUE SPECIFICATIONS .