Rear Axle Hub On-Vehicle Inspection
Axle. Lexus Is250, Is220D. Gse20 Ale20
REMOVE REAR WHEEL
REMOVE REAR DISC BRAKE CALIPER ASSEMBLY
REMOVE REAR DISC
INSPECT REAR AXLE HUB BEARING FOR LOOSENESS
INSPECT REAR AXLE HUB FOR RUNOUT
INSTALL REAR DISC
INSTALL REAR DISC BRAKE CALIPER ASSEMBLY
INSTALL REAR WHEEL
Rear Axle Hub -- On-Vehicle Inspection |
2. REMOVE REAR DISC BRAKE CALIPER ASSEMBLY |
Remove the 2 bolts, and disconnect the rear disc brake caliper assembly.
- NOTICE:
- Use wire or equivalent to prevent the brake caliper from hanging down by the flexible hose.
Remove the No.1 caliper plates from the brake caliper.
Put matchmarks on the rear disc and the axle hub.
Remove the read disc.
4. INSPECT REAR AXLE HUB BEARING FOR LOOSENESS |
Using a dial indicator, check for looseness near the center of the axle hub.
- Maximum:
- 0.05 mm (0.0020 in.)
- NOTICE:
- Ensure that the dial indicator is set perpendicular to the measurement surface.
If looseness exceeds the maximum, replace the axle hub assembly.
5. INSPECT REAR AXLE HUB FOR RUNOUT |
Using a dial indicator, check for runout on the surface of the axle hub outside the hub bolt.
- Maximum:
- 0.05 mm (0.0020 in.)
- NOTICE:
- Ensure that the dial indicator is set perpendicular to the measurement surface.
If runout exceeds the maximum, replace the axle hub assembly.
Aligning the matchmarks, install the rear disc.
- HINT:
- When replacing the rear disc with a new one, select the installation position where the rear disc has the minimum runout.
7. INSTALL REAR DISC BRAKE CALIPER ASSEMBLY |
Install the rear disc brake caliper assembly and No. 1 caliper plates with the 2 bolts.
- Torque:
- 54 N*m{551 kgf*cm, 40 ft.*lbf}
- NOTICE:
- Do not twist the rear brake hose when installing the rear disc brake caliper.
- Make sure that there are no foreign objects or damage to the threads.
- Do not overtighten the bolts because the hub carrier is made of aluminum and may be damaged.