Lexus ES: Removal

Lexus ES (XZ10) Service Manual / Suspension / Rear Suspension / Rear Trailing Arm / Removal

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 trailing arm assembly 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
*1: for LED type turn signal light
Suspension, tires, etc. (The vehicle height changes because of suspension or tire replacement.)	Measure ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Parking Support Alert System Parking Support Brake System
	Rear television camera assembly optical axis adjustment (Back camera position setting)	Parking Assist Monitor System	for Initialization for Calibration
	Parking assist ECU initialization Adjust steering angle Rear television camera assembly optical axis (Back camera position setting)	Panoramic View Monitor System	for Initialization for Calibration
	Perform headlight ECU sub-assembly LH initialization*1	Lighting System
Rear wheel alignment adjustment	Clear zero point calibration data Perform yaw rate and acceleration sensor zero point calibration	DTCs are stored ABS warning light illuminates Brake warning light / yellow (minor malfunction) illuminates Slip indicator light illuminates VSC 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
*1: for LED type turn signal light
Suspension, tires, etc. (The vehicle height changes because of suspension or tire replacement.)	Measure ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Parking Support Alert System Parking Support Brake System
	Rear television camera assembly optical axis adjustment (Back camera position setting)	Parking Assist Monitor System	for Initialization for Calibration
	Parking assist ECU initialization Adjust steering angle Rear television camera assembly optical axis (Back camera position setting)	Panoramic View Monitor System	for Initialization for Calibration
	Perform headlight ECU sub-assembly LH initialization*1	Lighting System
Rear wheel alignment adjustment	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

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

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2. REMOVE NO. 2 FLOOR UNDER COVER (for Gasoline Model 2WD)

(a) for LH Side:

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3. REMOVE NO. 1 FLOOR UNDER COVER (for Gasoline Model 2WD)

(a) for RH Side:

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4. REMOVE NO. 2 FLOOR UNDER COVER (for HV Model)

(a) for LH Side:

(1) Remove the bolt and clip (A).

(2) Disengage the 2 grommets (B) and clip (C) to remove the No. 2 floor under cover.

5. REMOVE NO. 1 FLOOR UNDER COVER (for HV Model)

(a) for RH Side:

(1) Remove the bolt and clip (A).

(2) Disengage the 2 grommets (B) to remove the No. 1 floor under cover.

6. REMOVE NO. 2 FLOOR UNDER COVER (for Gasoline Model AWD)

(a) for LH Side:

(1) Remove the bolt and 2 clips (A).

(2) Disengage the 2 grommets (B) and 2 clips (C) to remove the No. 2 floor under cover.

7. REMOVE NO. 1 FLOOR UNDER COVER (for Gasoline Model AWD)

(a) for RH Side:

(1) Remove the bolt and 2 clips (A).

(2) Disengage the 2 grommets (B) and clip (C) to remove the No. 1 floor under cover.

8. SEPARATE NO. 2 PARKING BRAKE WIRE ASSEMBLY (w/o AVS)

(a) Disengage the 2 clamps.

(b) Remove the nut and separate the No. 2 parking brake wire assembly from the rear trailing arm assembly.

9. SEPARATE NO. 2 PARKING BRAKE WIRE ASSEMBLY (w/ AVS)

(a) Disconnect the connector.

(b) Remove the nut and disengage the clamp.

(d) Remove the nut and separate the No. 2 parking brake wire assembly from the rear trailing arm assembly.

10. REMOVE REAR STABILIZER LINK ASSEMBLY (for 2WD)

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11. REMOVE REAR TRAILING ARM ASSEMBLY

(a) Using a transmission 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	Transmission Jack

(b) for 2WD:

(1) Remove the 2 bolts and separate the rear trailing arm assembly from the rear axle carrier sub-assembly.

(1) Remove the 3 bolts, nut and separate the rear trailing arm assembly from the rear axle carrier sub-assembly.

(d) Remove the 4 bolts and rear trailing arm assembly.

12. REMOVE REAR SUSPENSION ARM COVER

(a) Secure the rear trailing arm assembly in a vise using aluminum plates.

NOTICE:

Do not overtighten the vise.

(b) Disengage the 4 claws and remove the rear suspension arm cover.

13. REMOVE REAR SUSPENSION ARM BRACKET

(a) Remove the bolt, nut and rear suspension arm bracket from the rear trailing arm assembly.

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Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H

ENG / EHV Device (C1A40)

DESCRIPTION When a SFI system malfunction signal sent by the ECM is detected by the clearance warning ECU assembly, DTC C1A40 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A40 ENG / EHV Device When the engine switch on (IG), a SFI system malfunction signal

Lexus ES: Removal

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Installation

Installation

Rear Upper Arm

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Precaution

ENG / EHV Device (C1A40)