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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.

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during intake manifold 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 throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Gas leak from exhaust system is repaired
Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [10/2022 - ]
NOTE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

Refer to PRECAUTION [10/2022 - ]



COMPONENTS (REMOVAL) 

Fig 1: Intake Manifold Removal Components [08/2023 - ]
GTY1205423Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Procedure Part Name Code
1 REFRIGERANT FROM REFRIGERATION SYSTEM - - - -
2 SUCTION HOSE SUB-ASSEMBLY 88704 See step  2 - -
3 THROTTLE BODY WITH MOTOR ASSEMBLY 22030 - - -
4 E.F.I. VACUUM SENSOR ASSEMBLY (MANIFOLD ABSOLUTE PRESSURE SENSOR) 89421 - - -
5 PURGE VALVE (PURGE VSV) 25860 - - -
6 NO. 1 FUEL VAPOR FEED HOSE 23826 - - -
7 NO. 2 FUEL VAPOR FEED HOSE 23827D - - -
8 ENGINE WIRE 82121 - - -
9 NO. 1 EGR PIPE SUB-ASSEMBLY 25601 See step  9 - -
10 EGR VALVE ADAPTER GASKET 25629 - - -
11 EGR INLET GASKET 25628 - - -
12 NO. 5 WATER BY-PASS HOSE 16281F - - -
13 NO. 3 WATER BY-PASS PIPE 16279 See step  13 - -
14 NO. 2 WATER BY-PASS PIPE 16278 See step  14 - -
15 NO. 2 FUEL VAPOR FEED HOSE 23827D - - -
16 INTAKE MANIFOLD 17111 See step  16 - -
17 NO. 1 INTAKE MANIFOLD TO HEAD GASKET 17177 - - -
18 NO. 1 ENGINE COVER 12611B - - -
19 VACUUM HOSE - - - -
*A w/ Stud Bolt *B w/o Stud Bolt
*C for PHEV Model - -
Non-reusable part - -