Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Uz-Fe Engine Control System. Lexus Gs430, Gs300. Uzs190 Grs190
Throttle Body -- Removal |
| 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL |
- CAUTION:
- Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
| 2. DRAIN ENGINE COOLANT |
- CAUTION:
- Do not remove the radiator cap while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
Remove the radiator cap and vent plug.
Loosen the radiator drain cock plug and 2 cylinder block drain cock plugs. Then drain the coolant.
- HINT:
- Collect the coolant in a container and dispose of it according to the regulations in your area.
| 3. REMOVE COOL AIR INTAKE DUCT SEAL |
Remove the 7 clips and intake duct seal.
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| 4. REMOVE ENGINE ROOM SIDE COVER RH |
Remove the nut, 2 clips and side cover.
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| 5. REMOVE ENGINE ROOM SIDE COVER LH |
Remove the 3 clips and side cover.
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| 6. REMOVE V-BANK COVER |
Remove the 2 nuts and V-bank cover.
| 7. REMOVE NO. 1 AIR CLEANER INLET |
Remove the bolt and air cleaner inlet.
| 8. REMOVE INTAKE AIR CONNECTOR PIPE |
Disconnect the air hose and No. 1 ventilation hose.
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Loosen the 2 hose clamps and remove the intake air connector.
| 9. REMOVE MANIFOLD THERMOSTAT |
Remove the manifold thermostat from the water by-pass hose.
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| 10. REMOVE THROTTLE BODY |
Disconnect the PCV hose hose.
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Disconnect the connectors and wire.
Disconnect the 2 water by-pass hoses.
Remove the 2 bolts, 2 nuts, throttle body and gasket.
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