Front Axle Hub On-Vehicle Inspection

Using a union nut wrench, disconnect the brake tube from the disc brake cylinder assembly.

HINT:

Use a container to catch brake fluid as it drains out.

Remove the 2 bolts and disc brake cylinder assembly.

Place matchmarks on the disc and axle hub if planning to reuse the disc.

Remove the front disc.

Using a screwdriver and hammer, remove the front axle hub grease cap.

NOTICE:

Do not damage the axle hub.

Using a dial indicator, measure the looseness near the center of the axle hub.

Maximum looseness:

0.05 mm (0.00197 in.)

NOTICE:

Make sure that the dial indicator is set at a right angle to the measurement surface.

Using a dial indicator, measure the runout on the surface of the axle hub outside the hub bolts.

Maximum runout:

0.08 mm (0.00315 in.)

NOTICE:

Make sure that the dial indicator is set at a right angle to the measurement surface.

Install a new axle hub grease cap.

NOTICE:

Make sure the grease cap is securely installed to the axle hub.

Align the matchmarks and install the front disc.

HINT:

When replacing the disc with a new one, select the installation position where the disc has the smallest runout.

Install the disc brake cylinder assembly with the 2 bolts.

Torque:

185 N*m{1886 kgf*cm, 136 ft.*lbf}

Using a union nut wrench, connect the brake tube to the disc brake cylinder assembly.

Torque:

15 N*m{155 kgf*cm, 11 ft.*lbf}

NOTICE:

Use the formula to calculate special torque values for situations where a union nut wrench is combined with a torque wrench (LandCruiser RM000003YMD00TX.html).