Knuckle removal

1. Component views

Knuckle (2WD (Except high ride suspension specifications))

Part name

  1. Nut
  2. Knuckle
  3. Cotter pin
  4. Cotter pin
  5. Nut
  6. Nut
  7. Cotter pin
  8. Dust cover
  9. Wheel speed sensor harness
  10. Bolt

Tightening torque

1: 98 N・m { 10.0 kgf・m / 72 lb・ft }

5: 98 N・m { 10.0 kgf・m / 72 lb・ft }

6: 147 N・m { 15.0 kgf・m / 108 lb・ft }

10: 8 N・m { 0.8 kgf・m / 71 lb・in }

Knuckle (2WD (High ride suspension specifications))

Part name

  1. Nut
  2. Cotter pin
  3. Nut
  4. Knuckle
  5. Cotter pin
  6. Nut
  7. Nut
  8. Cotter pin
  9. Tie rod end
  10. Knuckle cap
  11. Bolt
  12. Front wheel speed sensor

Tightening torque

1: 98 N・m { 10.0 kgf・m / 72 lb・ft }

3: 97 N・m { 9.9 kgf・m / 72 lb・ft }

6: 98 N・m { 10.0 kgf・m / 72 lb・ft }

7: 147 N・m { 15.0 kgf・m / 108 lb・ft }

11: 8 N・m { 0.8 kgf・m / 71 lb・in }

Knuckle (4WD)

Part name

  1. Nut
  2. Cotter pin
  3. Nut
  4. Knuckle
  5. Cotter pin
  6. Nut
  7. Nut
  8. Cotter pin
  9. Tie rod end
  10. Oil seal
  11. Bolt
  12. Front wheel speed sensor

Tightening torque

1: 98 N・m { 10.0 kgf・m / 72 lb・ft }

3: 97 N・m { 9.9 kgf・m / 72 lb・ft }

6: 98 N・m { 10.0 kgf・m / 72 lb・ft }

7: 147 N・m { 15.0 kgf・m / 108 lb・ft }

11: 8 N・m { 0.8 kgf・m / 71 lb・in }

2. Preliminary and post procedures

1. Preliminary procedures

1) Open the engine hood.

2) Disconnect the battery cable from the battery negative terminal.

Caution

  • After turning OFF the ignition switch (power mode for models with passive entry and start system), do not disconnect the battery cable within 3 minutes.
  • If the battery cable is disconnected within 3 minutes, the vehicle electronic control system may malfunction.
  • If the battery cable is disconnected, perform the setting of the front door power window switch with AUTO UP/AUTO DOWN function after connecting the battery negative terminal.

3. Disc wheel removal

1. Models with aluminum wheels

1) Move the vehicle to a flat surface.

2) Pull the parking brake lever.

3) Secure the vehicle using chock blocks.

4) Raise the vehicle.

Note

  • Jack up the vehicle but not to an extent that the tire leaves the ground.

5) Remove the wheel cap from the disc wheel.

Note

  • Insert a tool with flat tip such as a flathead screwdriver into the wheel cap groove to remove.

Legend

  1. Wheel cap groove

6) Loosen the wheel nuts.

Note

  • Loosen without allowing the disc wheel to rattle.

Caution

  • At this time, do not remove the wheel nuts.

7) Raise the vehicle.

Note

  • Jack up the vehicle until the tire is completely off the ground.
  • Support the frame using a chassis stand as necessary.

8) Remove the disc wheel from the vehicle.

2. Models with steel wheels

1) Move the vehicle to a flat surface.

2) Pull the parking brake lever.

3) Secure the vehicle using chock blocks.

4) Raise the vehicle.

Note

  • Jack up the vehicle but not to an extent that the tire leaves the ground.

5) Remove the wheel cap from the disc wheel.

6) Loosen the wheel nuts.

Note

  • Loosen without allowing the disc wheel to rattle.

Caution

  • At this time, do not remove the wheel nuts.

7) Raise the vehicle.

Note

  • Jack up the vehicle until the tire is completely off the ground.
  • Support the frame using a chassis stand as necessary.

8) Remove the disc wheel and wheel cap from the vehicle.

4. Brake caliper removal

1) Remove the lock bolt from the brake caliper.

2) Remove the brake caliper from the brake support.

3) Remove the disc brake pad and shim from the brake support.

4) Remove the brake support from the knuckle.

5. Front hub removal

1. 2WD (Except high ride suspension specifications)

1) Remove the bolt from the knuckle.

2) Remove the front hub and brake rotor from the knuckle.

3) Remove the knuckle cap from the knuckle.

2. 2WD (High ride suspension specifications)

1) Remove the bolt from the knuckle.

2) Remove the front hub and brake rotor from the knuckle.

3) Remove the knuckle cap from the knuckle.

3. 4WD

1) Remove the hub cap from the front hub.

2) Remove the following parts from the front hub.

  • Cotter pin
  • Lock nut
  • Washer

3) Remove the bolt from the knuckle.

4) Remove the front hub and brake rotor from the knuckle.

6. Dust cover removal

1) Remove the dust cover from the knuckle.

7. Power steering unit disconnect

1) Remove the cotter pin from the ball joint.

2) Remove the castle nut from the ball joint.

3) Disconnect the tie rod end from the knuckle using the special tool.


SST: 5-8840-2005-0 - ball joint remover

Legend

  1. 5-8840-2005-0

8. Wheel speed sensor removal

1. Precautions for wheel speed sensor removal

Caution

  • Be careful not to damage the wheel speed sensor during service works, since it may cause ABS failure.
  • Because ABS abnormalities or malfunctions may occur if the wheel speed sensor is improperly installed, follow the precautions detailed in the outlined procedure when installing, removing, or replacing the wheel speed sensor.
  • When it is difficult to remove the wheel speed sensor body due to rust, use rust penetrant etc., and then carefully remove the sensor body by shifting it little by little until it comes free.
  • Do not bump or step on the removed sensor.
  • Do not remove the sensor unit by hammering.
  • Do not insert a flat-head screwdriver or the like into the gap to remove it forcibly.
  • Do not pull the sensor harness.

2. Removal (ABS-specification 2WD (Except high ride suspension specifications))

1) Disconnect the harness connector from the wheel speed sensor.

Legend

  1. Connector position
  2. Wheel speed sensor
  3. Harness bracket tightening nut
  4. Harness bracket tightening bolt
  5. Wheel speed sensor tightening bolt

2) Remove the harness bracket from the upper link and knuckle.

3) Remove the wheel speed sensor from the knuckle.

3. Removal (ABS-specification 2WD (High ride suspension specifications), ABS-specification 4WD)

1) Disconnect the harness connector from the wheel speed sensor.

2) Unlock the harness clips indicated by the arrows in the following diagram.

3) Remove the harness bracket from the upper link and knuckle.

4) Remove the wheel speed sensor from the knuckle.

Legend

  1. Connector position
  2. Wheel speed sensor
  3. Harness bracket tightening nut
  4. Harness bracket tightening bolt
  5. Wheel speed sensor tightening bolt

9. Knuckle removal

1. 2WD (Except high ride suspension specifications)

1) Disconnect the lower ball joint from the knuckle using the special tool.


SST: 5-8840-2017-0 - ball joint remover

Caution

  • Take care not to damage the ball joint boot.

Legend

  1. 5-8840-2017-0

2) Remove the knuckle from the upper ball joint using the special tool.


SST: 5-8840-2017-0 - ball joint remover

Caution

  • Take care not to damage the ball joint boot.

Legend

  1. 5-8840-2017-0

3) Remove the knuckle cap from the knuckle.

2. 2WD (High ride suspension specifications)

1) Disconnect the lower ball joint from the knuckle using the special tool.


SST: 5-8840-2017-0 - ball joint remover

Caution

  • Take care not to damage the ball joint boot.

Legend

  1. 5-8840-2017-0

2) Remove the knuckle from the upper ball joint using the special tool.


SST: 5-8840-2121-0 - upper ball joint remover

Caution

  • Take care not to damage the ball joint boot.

Legend

  1. 5-8840-2121-0

3) Remove the knuckle cap from the knuckle.

3. 4WD

1) Disconnect the lower ball joint from the knuckle using the special tool.


SST: 5-8840-2017-0 - ball joint remover

Caution

  • Take care not to damage the ball joint boot.

Legend

  1. 5-8840-2017-0

2) Remove the knuckle from the upper ball joint using the special tool.


SST: 5-8840-2121-0 - upper ball joint remover

Caution

  • Take care not to damage the ball joint boot.

Legend

  1. 5-8840-2121-0

3) Remove the knuckle oil seal from the knuckle.

Copyright Mazda Motor Corporation. All rights reserved.