Removal [08/2023 - ]: Procedure

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.

REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

for HEV Model:
Refer to PROCEDURE - Step 19 [10/2022 - 10/2024] , or refer to PROCEDURE - Step 19 [10/2024 - ]
for PHEV Model:
Refer to PROCEDURE - Step 19

REMOVE IGNITION COIL ASSEMBLY

GTY1077167

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the 4 ignition coil assembly connectors.
Using an 8 mm socket wrench, remove the 4 bolts and 4 ignition coil assemblies from the cylinder head cover sub-assembly.
NOTE:
If an ignition coil assembly has been struck or dropped, replace it.

REMOVE SPARK PLUG

Refer to PROCEDURE - Step 3