Installation [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.
- INSTALL WATER CONTROL VALVE
Torque: 21 N.m (214 kgf/cm, 15 ft.lbf)
- CONNECT INLET HEATER WATER HOSE
- CONNECT WATER BY-PASS HOSE ASSEMBLY
*a View A *b 120° *c Upper Side *d LH Side *e 2 to 7 mm (0.0787 to 0.276 in.) - - - Connect the water by-pass hose assembly to the water control valve and slide the clip to secure it.NOTE:
- Make sure to slide the water by-pass hose assembly until it contacts the hose stopper of the water control valve.
- Make sure that the tabs of the clip are within the area shown in the illustration.
- Connect the water by-pass hose assembly to the water control valve and slide the clip to secure it.
- CONNECT NO. 3 WATER BY-PASS HOSE
*a View A *b 90° *c Upper Side *d Front Side - Connect the No. 3 water by-pass hose to the water control valve and slide the clip to secure it.NOTE:
- Make sure to slide the No. 3 water by-pass hose until it contacts the hose stopper of the water control valve.
- Make sure that the tabs of the clip are within the area shown in the illustration.
- Connect the No. 3 water by-pass hose to the water control valve and slide the clip to secure it.
- CONNECT NO. 1 RADIATOR HOSE
*a View A *b 120° *c Upper Side *d LH Side *e 2 to 7 mm (0.0787 to 0.276 in.) - - - Connect the No. 1 radiator hose to the water control valve and slide the clip to secure it.NOTE:
- Make sure to slide the No. 1 radiator hose until it contacts the hose stopper of the water control valve.
- Make sure that the tabs of the clip are within the area shown in the illustration.
- Connect the No. 1 radiator hose to the water control valve and slide the clip to secure it.
- INSTALL INTAKE MANIFOLD WITH INTERCOOLER ASSEMBLY
Refer to INSTALLATION [10/2022 - ]
- ADD ENGINE COOLANT (for Engine)
Refer to PROCEDURE - Step 5
- INSPECT FOR COOLANT LEAK (for Engine)
Refer to PROCEDURE - Step 1
- INSTALL NO. 1 ENGINE UNDER COVER
for 1Motor-HEV Model: Refer to PROCEDURE - Step 79
for Gasoline Model: Refer to PROCEDURE - Step 85
- INSTALL FRONT WHEEL OPENING EXTENSION PAD RH
- INSTALL FRONT WHEEL OPENING EXTENSION PAD LH