Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000002693A |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 -
] |
Title: AXLE AND DIFFERENTIAL: REAR AXLE HUB (for AWD without Electric Parking Brake): ON-VEHICLE INSPECTION; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ] |
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear axle hub and bearing assembly on-vehicle inspection are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Tire
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ECU Data Initialization (When performing tire replacement after RoB code X2104 is output)
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Active Torque Split AWD System
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NOTICE:
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To avoid degrading the precision of the assembly, do not loosen or remove the 2 bolts shown in the illustration.
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If the bolts have been loosened or removed, use the following procedure to reassemble the parts.
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Temporarily install the rear disc brake cylinder assembly with the 2 bolts.
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Start the engine.
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Depress the brake pedal to continuously apply hydraulic pressure.
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Temporarily tighten bolt A to 30 N*m (306 kgf*cm, 22 ft.*lbf).
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Temporarily tighten bolt B to 30 N*m (306 kgf*cm, 22 ft.*lbf).
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Fully tighten bolt A to 70 N*m (714 kgf*cm, 52 ft.*lbf).
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Fully tighten bolt B to 70 N*m (714 kgf*cm, 52 ft.*lbf).
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Release the brake pedal to release the hydraulic pressure.
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Check that the 2 bolts are tightened to 70 N*m (714 kgf*cm, 52 ft.*lbf).
HINT:
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Use the same procedure for the RH side and LH side.
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The following procedure is for the LH side.
PROCEDURE
1. REMOVE REAR WHEEL
Click here
2. SEPARATE REAR DISC BRAKE CALIPER ASSEMBLY
Click here
3. REMOVE DISK WHEEL SPACER
Click here
4. REMOVE PARKING BRAKE SHOE ADJUSTING HOLE PLUG
Click here
5. REMOVE REAR DISC
Click here
6. INSPECT REAR AXLE HUB BEARING LOOSENESS
(a) Using a dial indicator with magnetic base, check for looseness near the center of the rear axle hub.
Maximum Looseness:
0.05 mm (0.00196 in.)
NOTICE:
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Ensure that the dial indicator is set perpendicular to the measurement surface.
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Keep the magnet of the dial indicator away from the rear axle hub and bearing assembly.
HINT:
If the looseness exceeds the maximum, replace the rear axle hub and bearing assembly.
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7. INSPECT REAR AXLE HUB RUNOUT
(a) Using a dial indicator with magnetic base, check for runout on the surface of the rear axle hub outside the rear axle hub bolts.
Maximum Runout:
0.05 mm (0.00196 in.)
NOTICE:
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Ensure that the dial indicator is set perpendicular to the measurement surface.
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Make sure to install the tip of the dial indicator towards the outside of the rear axle hub bolts.
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Keep the magnet of the dial indicator away from the rear axle hub and bearing assembly.
HINT:
If the runout exceeds the maximum, replace the rear axle hub and bearing assembly.
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8. INSTALL REAR DISC
Click here
9. INSTALL REAR DISC BRAKE CALIPER ASSEMBLY
Click here
10. ADJUST PARKING BRAKE
Click here
11. INSTALL PARKING BRAKE SHOE ADJUSTING HOLE PLUG
Click here
12. INSTALL DISK WHEEL SPACER
Click here
13. INSTALL REAR WHEEL
Click here
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