Caution / Notice / Hint

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

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during transmission oil cooler removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Replacement of automatic transaxle fluid	ATF thermal degradation estimate reset	The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly	Refer to INITIALIZATION [10/2022 - ]

WARNING:

Do not remove the reserve tank cap, radiator cap sub-assembly or radiator drain cock plug while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMPONENTS (REMOVAL)

Fig 1: Oil Cooler Removal Components (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
1	FRONT WHEEL OPENING EXTENSION PAD LH	53852B	-	-	-
2	FRONT WHEEL OPENING EXTENSION PAD RH	53851D	-	-	-
3	NO. 1 ENGINE UNDER COVER	51441	-	-	-
4	NO. 2 ENGINE UNDER COVER ASSEMBLY	51420	-	-	-
5	FRONT FENDER APRON SEAL LH	53737B	-	-	-

Fig 2: Oil Cooler Removal Components (2 Of 3)

Procedure		Part Name Code
6	COOL AIR INTAKE DUCT SEAL	53295E	-	-	-
7	INLET AIR CLEANER ASSEMBLY	17750A	-	-	-
8	AIR CLEANER ASSEMBLY	17700	-	-	-

Fig 3: Oil Cooler Removal Components (3 Of 3)

Procedure		Part Name Code
9	DRAIN ENGINE COOLANT	-	-	See step 9	-
10	DRAIN AUTOMATIC TRANSAXLE FLUID	-	-	See step 10	-
11	ENGINE WIRE	82121	-	-	-
12	NO. 1 AUTOMATIC TRANSMISSION OIL COOLER TUBE CLAMP	32923B	-	-	-
13	WATER BY-PASS HOSE ASSEMBLY	16260	See step 13	-	-
14	INLET NO. 1 OIL COOLER HOSE	32941	See step 14	-	-
15	OUTLET NO. 1 OIL COOLER HOSE	32942	See step 15	-	-
16	TRANSMISSION OIL COOLER	33493A	See step 16	-	-