Installation [12/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL ENGINE WATER PUMP ASSEMBLY

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

	Bolt A		Bolt B
	Bolt C		Bolt D

Install a new water pump gasket and engine water pump assembly with the 15 bolts.

Bolt (A)

Torque: 43 N.m (438 kgf/cm, 32 ft.lbf)

Bolt (B)

Torque: 21 N.m (214 kgf/cm, 15 ft.lbf)

Bolt (C) and (D)

Torque: 11 N.m (112 kgf/cm, 8 ft.lbf)

Adhesive

Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent

Standard Length

Item	Length
Bolt (A)	60 mm (2.36 in.)
Bolt (B)	55 mm (2.17 in.)
Bolt (C), (D)	22 mm (0.866 in.)

NOTE:

Make sure that there is no oil on the threads of the bolts (A) and (B).
Be sure to replace the 2 bolts (D) with new ones or reuse them after applying adhesive.
Do not start the engine for at least 1 hour after installation.

INSTALL WATER PUMP PULLEY

*a	Hold	-	-
	Turn	-	-

Temporarily install the water pump pulley with the 4 bolts.
Using a screwdriver or equivalent with its tip wrapped in protective tape, hold the water pump pulley.
Fully tighten the 4 bolts.
Torque: 21 N.m (214 kgf/cm, 15 ft.lbf)

INSTALL V-RIBBED BELT
Refer to INSTALLATION [12/2023 - ]
INSTALL WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
Refer to INSTALLATION [12/2023 - ]