REAR SUSPENSION: REAR COIL SPRING (for Double Wishbone Type Suspension): REMOVAL; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM1000000026DDZ
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: REAR SUSPENSION: REAR COIL SPRING (for Double Wishbone Type Suspension): REMOVAL; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

REMOVAL

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 coil spring removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Rear wheel alignment adjustment	Perform "Reset Memory" Perform "Calibration"	DTCs are stored ABS warning light illuminates Brake system warning light (yellow indicator) illuminates Slip indicator light illuminates Electronically controlled brake system disabled or malfunctions

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Rear wheel alignment adjustment

for TMC Made

Perform "Reset Memory"
Perform "Calibration"

VSC is disabled or malfunctions
DTCs are output
Slip indicator light illuminates
ABS warning light illuminates

w/ Electric Parking Brake System:

w/o Electric Parking Brake System:

for TMMMS Made

Perform "Reset Memory"
Perform acceleration sensor zero point calibration and store system information memorization

VSC is disabled or malfunctions
DTCs are output
Slip indicator light illuminates
ABS warning light illuminates

w/ Electric Parking Brake System:

w/o Electric Parking Brake System:

Tire

ECU Data Initialization (When performing tire replacement after RoB code X2104 is output)

Active Torque Split AWD System

CAUTION / NOTICE / HINT

HINT:

Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.

PROCEDURE

1. REMOVE REAR WHEEL

Click here

2. REMOVE FRONT FLOOR COVER LH (for Gasoline Model AWD)

(a) for LH Side:

Click here

3. REMOVE REAR FLOOR SIDE MEMBER COVER LH (for Gasoline Model AWD)

(a) for LH Side:

Click here

4. REMOVE FRONT FLOOR COVER RH (for Gasoline Model AWD)

(a) for RH Side:

Click here

5. REMOVE REAR FLOOR SIDE MEMBER COVER RH (for Gasoline Model AWD)

(a) for RH Side:

Click here

6. REMOVE REAR FLOOR SIDE MEMBER COVER LH (for 2WD)

(a) for LH Side:

(1) w/ Cover:

for Hatchback: Click here

for Sedan: Click here

7. REMOVE REAR FLOOR SIDE MEMBER COVER RH (for 2WD)

(a) for RH Side:

(1) w/ Cover:

for Hatchback: Click here

for Sedan: Click here

8. REMOVE REAR STABILIZER LINK ASSEMBLY (for Hatchback)

Click here

9. REMOVE REAR STABILIZER LINK ASSEMBLY (for Sedan with Stabilizer Bar)

Click here

10. REMOVE REAR COIL SPRING

(a) for 2WD:

(1) Place matchmarks on the No. 2 camber adjust cam, rear suspension toe adjust cam sub-assembly and rear suspension member sub-assembly.

Matchmark

(b) for AWD:

(1) Place matchmarks on the No. 2 camber adjust cam, rear suspension toe adjust cam sub-assembly and rear suspension member sub-assembly.

Matchmark

NOTICE:

Hold the rear suspension toe adjust cam sub-assembly while rotating the nut.

(d) Using a jack and a wooden block, support the rear No. 2 suspension arm assembly.

NOTICE:

When jacking up the rear No. 2 suspension arm assembly, be sure to jack it up slowly.
Make sure to perform this operation with the vehicle kept as low as possible.

*a	Wooden Block
*b	Jack

(e) Remove the bolt and nut, and separate the rear No. 2 suspension arm assembly from the rear axle carrier sub-assembly.

NOTICE:

Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured. (except Gasoline Model AWD)
Loosen the bolt with the nut secured. (for Gasoline Model AWD)

(f) Slowly lower the rear No. 2 suspension arm assembly, and then remove the rear coil spring.

11. REMOVE REAR UPPER COIL SPRING INSULATOR

(a) Remove the rear upper coil spring insulator from the vehicle.

12. REMOVE REAR LOWER COIL SPRING INSULATOR

(a) Remove the rear lower coil spring insulator from the rear No. 2 suspension arm assembly.