Diesel Data: Automotive Repair

Front Axle Hub








AXLE: FRONT AXLE HUB: ON-VEHICLE INSPECTION

ON-VEHICLE INSPECTION

1. INSPECT FRONT AXLE HUB BEARING LOOSENESS





(a) Remove the front wheel.
(b) Remove the front disc brake caliper.
(c) Remove the front disc.
HINT: Put matchmarks on the front disc and front axle hub.

(d) Using a dial indicator, check for looseness at the center of the axle hub.
Maximum looseness:
0.05 mm (0.0020 in.)
If the looseness exceeds the maximum, replace the axle hub.
2. INSPECT FRONT AXLE HUB RUNOUT





(a) Using a dial indicator, check for runout of the axle hub.
Maximum runout:
0.05 mm (0.0020 in.)
If the runout exceeds the maximum, replace the axle hub.
(b) Install the front disc.
HINT: Align the matchmarks of the front disc and front axle hub before installing them.

(c) Install the front disc brake caliper.
Torque: 137.1 Nm (1,398 kgf-cm, 101 ft-lbf)
(d) Install the front wheel.
Torque: 103 Nm (1,050 kgf-cm, 76 ft-lbf)