Front Axle Hub On-Vehicle Inspection

Drivetrain. Corolla. Zre142 Aze141
Axle And Differential. Corolla. Zre142 Aze141

  1. REMOVE FRONT WHEEL

  2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY

  3. REMOVE FRONT DISC

  4. INSPECT FRONT AXLE HUB BEARING LOOSENESS

  5. INSPECT FRONT AXLE HUB RUNOUT

  6. INSTALL FRONT DISC

  7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

  8. INSTALL FRONT WHEEL

Front Axle Hub -- On-Vehicle Inspection


HINT:
  1. Use the same procedure for the RH side and LH side.
  2. The procedure listed below is for the LH side.


1. REMOVE FRONT WHEEL


2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY


    Corolla. Zre142 Aze141.Axle And Differential.Axle System.Front Axle Hub  On-Vehicle Inspection
  1. Remove the 2 bolts and separate the front disc brake caliper assembly from the steering knuckle.

    NOTICE:
    Use wire or an equivalent tool to keep the brake caliper from hanging down by the flexible hose.


3. REMOVE FRONT DISC


    Corolla. Zre142 Aze141.Axle And Differential.Axle System.Front Axle Hub  On-Vehicle Inspection
  1. Put matchmarks on the disc and the axle hub, and remove the front disc.



4. INSPECT FRONT AXLE HUB BEARING LOOSENESS


    Corolla. Zre142 Aze141
  1. Using a dial indicator, check for looseness near the center of the axle hub.

    Maximum looseness:
    0.05 mm (0.00196 in.)
    NOTICE:
    Ensure that the dial indicator is set perpendicular to the measurement surface.
    If looseness exceeds the maximum, replace the front axle hub bearing.


5. INSPECT FRONT AXLE HUB RUNOUT


    Corolla. Zre142 Aze141
  1. Using a dial indicator, check for runout on the surface of the axle hub outside the hub bolt.

    Maximum runout:
    0.03 mm (0.00118 in.)
    NOTICE:
    Ensure that the dial indicator is set perpendicular to the measurement surface.
    If runout exceeds the maximum, replace the front axle hub sub-assembly.


6. INSTALL FRONT DISC


    Corolla. Zre142 Aze141.Axle And Differential.Axle System.Front Axle Hub  On-Vehicle Inspection
  1. Align the matchmarks of the disc and axle hub, and install the disc.

    NOTICE:
    When replacing the disc with a new one, select the installation position where the front disc has the minimal runout.


7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY


    Corolla. Zre142 Aze141.Axle And Differential.Axle System.Front Axle Hub  On-Vehicle Inspection
  1. Install the front disc brake caliper assembly to the steering knuckle with the 2 bolts.

    Torque:
    107 N*m{1089 kgf*cm, 79 ft.*lbf}
    NOTICE:
    Do not twist the brake hose when installing the front disc brake caliper assembly.


8. INSTALL FRONT WHEEL
Torque:
103 N*m{1050 kgf*cm, 76 ft.*lbf}