Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-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. REMOVE COOL AIR INTAKE DUCT SEAL |
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Remove the 7 clips and duct seal.
3. REMOVE ENGINE UNDER COVER |
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Using a clip remover, remove the 3 clips.
Remove the 10 screws and under cover.
4. 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 reservoir cap.
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.
5. REMOVE ENGINE ROOM SIDE COVER RH |
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Loosen the nut and remove the 2 clips and side cover.
6. REMOVE V-BANK COVER |
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Remove the 2 nuts and V-bank cover.
7. DISCONNECT NO. 2 VENTILATION HOSE |
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Disconnect the ventilation hose from the cylinder head.
8. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE |
Disconnect the MAF meter connector.
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Disconnect the clamp from the air cleaner.
Disconnect the VSV for EVAP.
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Disconnect the 4 clamps.
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Remove the hose clamp and air cleaner cap with air cleaner hose.
9. REMOVE WATER BY-PASS HOSE |
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Disconnect the 2 water by-pass hoses from the throttle body.
10. REMOVE THROTTLE BODY |
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Disconnect the throttle motor connector.
Remove the 4 bolts, throttle body and gasket.