Toyota Prius: Steering Knuckle

Toyota Prius (XW60) 2023-2025 Service Manual / Drivetrain / Axle And Differential / Steering Knuckle

Removal
Installation

Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during steering knuckle 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
1: Also necessary after performing a tire rotation. 2: It is not necessary to perform this procedure if the tire pressure warning valve and transmitters are installed to the same location. *3: The Toyota Prius vehicle height changes because of tire replacement.
Front wheel alignment adjustment	Perform "Calibration"	DTCs are stored ABS warning light illuminates Brake system warning light (yellow indicator) illuminates Slip indicator light illuminates Electronically controlled brake system disabled or malfunctions
Tires	Initialization12 Tire Position Identification12	Tire Pressure Warning System	Refer to Procedures Necessary When Replacing Parts (for Tire Pressure Warning System) table below
	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System
	Parking assist ECU initialization*3	Panoramic View Monitor System
	Parking assist ECU initialization*3	Advanced Park

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when Toyota Prius vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Front Camera System	Drive the Toyota Prius vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
1: w/o Power Back Door System 2: w/ Power Back Door System
Power Door Lock Control System*1 Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Power Back Door System*2	Reset back door close position
Air Conditioning System	for HEV Model: After the ignition switch is turned to ON, the servo motor standard position is recognized. for PHEV Model: After the ignition switch is turned to ON, the servo motor and expansion valve standard position is recognized.	-

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly recordsvarious types of memory and settings. As a result, after turning the ignition switch off,make sure to wait at least 3 minutes before disconnecting the cable from the negative(-) auxiliary battery terminal.
When the cable is disconnected from the negative (-) auxiliary battery terminal and thesecurity lock setting has been enabled, multi-display operations will be disabled uponnext startup unless the password is entered. Be sure to check the security lock settingbefore disconnecting the cable from the negative (-) auxiliary battery terminal.

HINT:

Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	FRONT AXLE ASSEMBLY	-	-	-	-
2	FRONT LOWER BALL JOINT ASSEMBLY	43340A	-	-	-
3	STEERING KNUCKLE	43212		-	-

*1	FRONT AXLE HUB SUB-ASSEMBLY	*2	FRONT DISC BRAKE DUST COVER
*3	COTTER PIN	-	-
●	Non-reusable part	-	-

PROCEDURE

1. REMOVE FRONT AXLE ASSEMBLY

Click here

2. REMOVE FRONT LOWER BALL JOINT ASSEMBLY

Click here

3. REMOVE STEERING KNUCKLE

(1) Secure the front axle assembly between aluminum plates in a vise.

NOTICE:

Do not overtighten the vise.

(2) Remove the 3 bolts, front axle hub sub-assembly and front disc brake dust cover from the steering knuckle.

NOTICE:

Do not drop the front axle hub sub-assembly.
Be careful not to damage the speed sensor rotor or contact surfaces.
Do not allow foreign matter to contact the speed sensor rotor or contact surfaces.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly recordsvarious types of memory and settings. As a result, after turning the ignition switch off,make sure to wait at least 3 minutes before disconnecting the cable from the negative(-) auxiliary battery terminal.
When the cable is disconnected from the negative (-) auxiliary battery terminal and thesecurity lock setting has been enabled, multi-display operations will be disabled uponnext startup unless the password is entered. Be sure to check the security lock settingbefore disconnecting the cable from the negative (-) auxiliary battery terminal.

HINT:

Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	STEERING KNUCKLE	43212		-	-
2	FRONT LOWER BALL JOINT ASSEMBLY	43340A		-	-
3	FRONT AXLE ASSEMBLY	-	-	-	-

*1	FRONT AXLE HUB SUB-ASSEMBLY	*2	FRONT DISC BRAKE DUST COVER
*3	COTTER PIN	-	-
	Tightening torque for "Major areas involving basic Toyota Prius vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)	●	Non-reusable part

PROCEDURE

1. INSTALL STEERING KNUCKLE

(1) Secure the steering knuckle between aluminum plates in a vise.

NOTICE:

Do not overtighten the vise.

(2) Install the front axle hub sub-assembly and front disc brake dust cover to the steering knuckle with the 3 bolts.

Torque:

130 N·m {1326 kgf·cm, 96 ft·lbf}

NOTICE:

Be careful not to damage the speed sensor rotor or contact surfaces.
Do not allow foreign matter to contact the speed sensor rotor or contact surfaces.

2. INSTALL FRONT LOWER BALL JOINT ASSEMBLY