Wheel Hub, Steering Knuckle Removal/Installation (Us): Notes

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Replacement Part

Locknut Quantity: 1 Location of use: Front drive shaft	Front wheel hub bolt Quantity: 5 Location of use: Front wheel hub	Snap pin Quantity: 1 Location of use: Tie-rod end
Front shock absorber installation nut Quantity: 1 Location of use: Front shock absorber and steering knuckle component	Front shock absorber installation bolt Quantity: 1 Location of use: Front shock absorber and steering knuckle component	-

Oil And Chemical Type

Grease
Type: L2Y1 33247 or equivalent

CAUTION:

If the front ABS wheel-speed sensor wiring harness is pulled by mistake when performing this procedure, it could cause an open circuit. Before servicing, disconnect the front ABS wheel-speed sensor and set it aside so that the wiring harness will not be pulled by mistake.

Remove the wheel and tire. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
Disconnect the rubber from the bracket.

Fig 1: Front ABS Wheel-Speed Sensor, Bracket, Rubber, Steering Knuckle And Bolt With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Disconnect the front ABS wheel-speed sensor wiring harness on the steering knuckle and set it aside so that it does not interfere with the servicing.
Remove the clip from the bracket.

Courtesy of MAZDA MOTORS CORP.
Remove the front brake hose from the bracket.
Remove the locknut with the brake pedal depressed. (See LOCKNUT INSTALLATION NOTE .)

Courtesy of MAZDA MOTORS CORP.
CAUTION:
- When removing the locknut, remove it manually without using an electric or pneumatic tool. Otherwise, the locknut may seize.
- When removing the locknut, do not apply load at the ground to the axle. Otherwise, it could damage the wheel hub.
Temporarily install a spare nut to the front drive shaft.
Tap the nut with a copper hammer and separate the front drive shaft from the axle.
Remove the front brake caliper component and suspend it in a place out of the way using a cable. (See FRONT BRAKE DISC REMOVAL/INSTALLATION (US) .)
Remove the front disc plate. (See FRONT BRAKE DISC REMOVAL/INSTALLATION (US) .)
Remove the front stabilizer control link from the front shock absorber.

Fig 2: Front Stabilizer Control Link, Front Shock Absorber And Nut With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Remove in the order shown in the illustration.
Install in the reverse order of removal.
When the steering knuckle is replaced, inspect the wheel alignment and adjust it if necessary. (See FRONT WHEEL ALIGNMENT (US) .)

Fig 3: Wheel Hub, Steering Knuckle Components With Torque Specification

Courtesy of MAZDA MOTORS CORP.

COMPONENT DESCRIPTION

1	Tie-rod end (See TIE-ROD END REPLACEMENT (US) .)
2	Front lower arm ball joint (See FRONT LOWER ARM REMOVAL/INSTALLATION (US) .)
3	Front wheel hub (See FRONT WHEEL HUB INSTALLATION NOTE .)
4	Dust cover
5	Bracket
6	Front shock absorber upper nut
7	Front shock absorber and steering knuckle component
8	Front shock absorber and coil spring (See FRONT SHOCK ABSORBER AND COIL SPRING REMOVAL/INSTALLATION .)
9	Steering knuckle (See FRONT SHOCK ABSORBER AND COIL SPRING REMOVAL/INSTALLATION .)
10	Front wheel hub bolt (See FRONT WHEEL HUB BOLT REMOVAL NOTE .) (See FRONT WHEEL HUB BOLT INSTALLATION NOTE .)