Removal [10/2022 - ]: Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2025 Lexus RX 500h, 2025 Lexus RX 350, 2024 Lexus RX 500h, 2024 Lexus RX 350, and 2023 Lexus RX 500h. However, it is still accessible from the selected car via links, so may be relevant.
- DRAIN ENGINE COOLANT
Refer to PROCEDURE - Step 4
- DRAIN COOLANT (for Intercooler)
Refer to PROCEDURE - Step 4
- REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
Refer to PROCEDURE - Step 26 - REMOVE NO. 3 ENGINE COVER
Refer to PROCEDURE - Step 27
- REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY
- REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE
See step 13
- DISCONNECT ENGINE WIRE
- DISCONNECT PURGE VALVE (NO. 1 VACUUM SWITCHING VALVE ASSEMBLY)
See step 10
- REMOVE AIR TUBE ASSEMBLY
- REMOVE FUEL DELIVERY GUARD
- DISCONNECT NO. 2 FUEL VAPOR FEED HOSE
- DISCONNECT NO. 1 TURBO WATER HOSE
- DISCONNECT NO. 1 INTERCOOLER COOLING WATER HOSE
- DISCONNECT NO. 3 WATER BY-PASS HOSE
- DISCONNECT NO. 5 WATER BY-PASS HOSE (Type A)
- DISCONNECT NO. 4 TURBO WATER HOSE
- DISCONNECT NO. 2 INTERCOOLER COOLING WATER HOSE
- DISCONNECT NO. 4 WATER BY-PASS HOSE
- DISCONNECT NO. 5 WATER BY-PASS HOSE (Type B)
- REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
Refer to PROCEDURE - Step 13 - REMOVE INTAKE MANIFOLD WITH INTERCOOLER ASSEMBLY
- REMOVE NO. 7 INTERCOOLER COOLING WATER HOSE
- REMOVE NO. 6 INTERCOOLER COOLING WATER HOSE
- REMOVE INTERCOOLER ASSEMBLY
- Remove the 4 nuts and bolts to separate the intercooler assembly from the intake manifold and No. 2 air tube.
- Using an 8 mm socket wrench, remove the bolt and No. 2 turbo pressure sensor from the intercooler assembly.
- Remove the No. 2 air tube gasket from the intercooler assembly.
- Remove the No. 1 intake manifold to head gasket from the intake manifold.