Front Axle Hub (For Hatchback) On-Vehicle Inspection

Drivetrain. Yaris. Ncp93, 131
Axle And Differential. Yaris. Ncp93, 131

  1. REMOVE FRONT WHEEL

  2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY

  3. REMOVE FRONT DISC

  4. INSPECT FRONT AXLE HUB BEARING BACKLASH

  5. INSPECT FRONT AXLE HUB RUNOUT

  6. INSTALL FRONT DISC

  7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

  8. INSTALL FRONT WHEEL

Front Axle Hub (For Hatchback) -- On-Vehicle Inspection


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


1. REMOVE FRONT WHEEL


2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY


    Yaris. Ncp93, 131

  1. Remove the 2 bolts and separate the disc brake caliper assembly.

    NOTICE:
    Hang the caliper using a piece of string or the equivalent.


3. REMOVE FRONT DISC


    Yaris. Ncp93, 131.Axle And Differential.Axle System (For Sedan).Front Axle Hub (For Hatchback) On-Vehicle Inspection

  1. Place matchmarks on the disc and axle hub and remove the disc.

    Text in Illustration
    *a
    		Matchmark


4. INSPECT FRONT AXLE HUB BEARING BACKLASH


    Yaris. Ncp93, 131

  1. Using a dial indicator, check the backlash near the center of the axle hub.

    Maximum:
    0.05 mm (0.00197 in.)
    If the backlash exceeds the maximum, replace the front axle hub bearing.


5. INSPECT FRONT AXLE HUB RUNOUT


    Yaris. Ncp93, 131

  1. Using a dial indicator, check the runout of the surface of the axle hub.

    Maximum:
    0.05 mm (0.00197 in.)
    If the runout exceeds the maximum, replace the front axle hub sub-assembly and front axle hub bearing.


6. INSTALL FRONT DISC


Yaris. Ncp93, 131.Axle And Differential.Axle System (For Sedan).Front Axle Hub (For Hatchback) On-Vehicle Inspection

  1. Align the matchmarks of the disc and axle hub and install the disc.

    Text in Illustration
    *a
    		Matchmark
    HINT:
    When replacing the disc, select the position that gives the minimum disc runout.


7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

  1. Install the disc brake caliper onto the steering knuckle.

    Torque:
    107 N*m{1089 kgf*cm, 79 ft.*lbf}


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