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Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.

COMPONENTS (INSTALLATION) 

Fig 1: Radiator (For HEV Model) Installation Components (1 Of 4)
GTY1204824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Procedure Part Name Code
1 LOWER RADIATOR SUPPORT 16535 - - -
2 RADIATOR SUPPORT CUSHION 16523A - - -
3 FILLER NECK 16897A See step  3 - -
4 RADIATOR ASSEMBLY 16400 See step  4 - -
5 NO. 5 INVERTER COOLING HOSE G9229A - - -
6 NO. 4 INVERTER COOLING HOSE G9228A - - -
7 NO. 2 RADIATOR HOSE 16572D See step  7 - -
8 NO. 1 RADIATOR HOSE 16571C See step  8 - -
9 NO. 6 WATER BY-PASS HOSE 16283D - - -
10 NO. 5 WATER BY-PASS HOSE 16282F See step  10 - -
*1 FAN WITH MOTOR ASSEMBLY *2 RETAINER
Fig 2: Radiator (For HEV Model) Installation Components With Torque Specifications (2 Of 4)
GTY1204963Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
11 UPPER RADIATOR SUPPORT SUB-ASSEMBLY 53205 - - -
12 HOOD LOCK ASSEMBLY 53510 See step  12 - -
13 HOOD LOCK ASSEMBLY LH 53520B See step  13 - -
14 HOOD LOCK CONTROL JUNCTION ASSEMBLY 53640 - - -
15 HOOD LOCK CONTROL CABLE ASSEMBLY 53630 - - -
16 HOOD LOCK CONTROL COVER 53641A - - -
17 HOOD SUPPORT TENSION SPRING 53430A - - -
N.m (kgf/cm, ft.lbf): Specified torque MP grease
Fig 3: Radiator (For HEV Model) Installation Components (3 Of 4)
GTY1205256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Procedure Part Name Code
18 NO. 1 RADIATOR AIR GUIDE RH 16593B - - -
19 NO. 1 RADIATOR AIR GUIDE LH 16595B - - -
20 THERMISTOR ASSEMBLY 88790B - - -
21 NO. 3 INVERTER COOLING HOSE G9227A See step  21 - -
22 NO. 2 RADIATOR TO SUPPORT SEAL 16562M - - -
23 RADIATOR SHUTTER ASSEMBLY - - - -
Fig 4: Radiator (For HEV Model) Installation Components With Torque Specifications (4 Of 4)
GTY1203632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
24 INLET AIR CLEANER ASSEMBLY 17750A See step  24 - -
25 NO. 2 FRONT BUMPER REINFORCEMENT 52132A - - -
26 FRONT BUMPER REINFORCEMENT SUB-ASSEMBLY 52021 - - -
27 FRONT BUMPER LOWER ABSORBER 52618 - - -
28 FRONT BUMPER ENERGY ABSORBER 52611 - - -
29 FRONT BUMPER ASSEMBLY - - - -
30 ADD COOLANT (for Inverter) - - See step  30 -
31 INSPECT FOR COOLANT LEAK (for Inverter) - - - See step  31
32 ADD ENGINE COOLANT (for Engine) - - See step  32 -
33 INSPECT FOR COOLANT LEAK (for Engine) - - - See step  33
34 ADJUST HOOD SUB-ASSEMBLY 53301 - - See step  34
35 NO. 2 ENGINE UNDER COVER ASSEMBLY 51420 - - -
36 NO. 1 ENGINE UNDER COVER 51441 - - -
37 FRONT WHEEL OPENING EXTENSION PAD RH 53851D - - -
38 FRONT WHEEL OPENING EXTENSION PAD LH 53852B - - -
N.m (kgf/cm, ft.lbf): Specified torque - -