Lexus IS250 IS220d GSE20 ALE20 - AXLE

REAR AXLE HUB - ON-VEHICLE INSPECTION

1. REMOVE REAR WHEEL
2. REMOVE REAR DISC BRAKE CALIPER ASSEMBLY
Rear Axle Hub - On-Vehicle Inspection. AXLE. Lexus IS250 IS220d GSE20 ALE20

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.

3. REMOVE REAR DISC
Rear Axle Hub - On-Vehicle Inspection. AXLE. Lexus IS250 IS220d GSE20 ALE20

Put matchmarks on the rear disc and the axle hub.

Remove the read disc.

4. INSPECT REAR AXLE HUB BEARING FOR LOOSENESS
Rear Axle Hub - On-Vehicle Inspection. AXLE. Lexus IS250 IS220d GSE20 ALE20

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
Rear Axle Hub - On-Vehicle Inspection. AXLE. Lexus IS250 IS220d GSE20 ALE20

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.


6. INSTALL REAR DISC
Rear Axle Hub - On-Vehicle Inspection. AXLE. Lexus IS250 IS220d GSE20 ALE20

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
Rear Axle Hub - On-Vehicle Inspection. AXLE. Lexus IS250 IS220d GSE20 ALE20

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.
8. INSTALL REAR WHEEL
LEXUS IS250, IS220d / GSE20 ALE20