| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001GJD8 |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: AXLE AND DIFFERENTIAL: FRONT AXLE HUB BOLT: REPLACEMENT; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022] | ||
REPLACEMENT
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during front axle hub bolt removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)
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Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
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Auxiliary battery terminal is disconnected/reconnected |
Perform steering sensor zero point calibration |
Lane Control System (for HV Model) |
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Pre-collision System (for HV Model) |
for HV Model
NOTICE:
After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))
CAUTION / NOTICE / HINT
NOTICE:
for HV Model
- When removing or installing the front disc brake caliper assembly, pushing back the disc brake piston may cause a large clearance between the brake pads and brake disc. When the brake pedal is depressed with a large clearance between the brake pads and the brake disc, DTC C1214 related to abnormal brake fluid pressure may be stored. Make sure to clear any DTCs after performing this step.
- While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or any door courtesy switch turns on. Therefore, when servicing the brake system components, do not operate the brake pedal or open/close the doors while the auxiliary battery is connected.
HINT:
- Use the same procedure for the RH side and LH side.
- The following procedure is for the LH side.
PROCEDURE
1. PRECAUTION (for HV Model)
NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
2. DISABLE BRAKE CONTROL (for HV Model)
Click here
![2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; BRAKE (FRONT): FRONT BRAKE (for HV Model): REMOVAL+](/t3Portal/stylegraphics/info.gif)
3. REMOVE FRONT WHEEL
Click here
4. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY
(a) Remove the 2 bolts and separate the front disc brake caliper assembly from the steering knuckle.
NOTICE:
Use wire or an equivalent tool to keep the front disc brake caliper assembly from hanging by the front flexible hose.
5. REMOVE FRONT DISC
for HV Model: Click here
for Gasoline Model: Click here
6. REMOVE FRONT AXLE HUB BOLT
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(a) Temporarily install 2 service nuts to the front axle hub bolts as shown in the illustration. Recommended Service Nut: Thread diameter: 12.0 mm (0.472 in.) Thread pitch: 1.5 mm (0.0591 in.) NOTICE: Install the service nuts to prevent damage to the front axle hub bolts. |
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(b) Using SST and a screwdriver or an equivalent tool to hold the front axle hub sub-assembly, remove the front axle hub bolt.
SST: 09611-12010
NOTICE:
Do not damage the threads of the front axle hub bolts.
7. INSTALL FRONT AXLE HUB BOLT
(a) Temporarily install a new front axle hub bolt to the front axle hub sub-assembly.
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(b) Install a washer and service nut to the front axle hub bolt as shown in the illustration. Recommended Service Nut: Thread diameter: 12.0 mm (0.472 in.) Thread pitch: 1.5 mm (0.0591 in.) HINT: Recommended washer thickness is 5 mm (0.197 in.) or more. |
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(c) Using a screwdriver or an equivalent tool to hold the front axle hub sub-assembly, install the front axle hub bolt by tightening the service nut.
NOTICE:
- Install the service nuts to prevent damage to the front axle hub bolts.
- Do not damage the threads of the front axle hub bolts.
(d) Remove the 3 service nuts and washer from the 3 front axle hub bolts.
8. INSTALL FRONT DISC
for HV Model: Click here
for Gasoline Model: Click here
9. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY
(a) Install the front disc brake caliper assembly to the steering knuckle with the 2 bolts.
Torque:
107 N·m {1091 kgf·cm, 79 ft·lbf}
NOTICE:
- Do not twist the front flexible hose when installing the front disc brake caliper assembly.
- Make sure that there is no foreign matter on the threads of the bolt.
10. INSTALL FRONT WHEEL
Click here
11. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL (for HV Model)
(a) Connect the reservoir level switch connector.
(b) Connect the cable to the negative (-) auxiliary battery terminal.
Click here
(c) Turn the power switch on (READY).
(d) Depress the brake pedal and release it.
(e) Clear the DTCs.
Click here
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