Toyota CH-R Service Manual: Rear Upper Arm

Components

COMPONENTS

ILLUSTRATION

*1

REAR SUSPENSION MEMBER SUB-ASSEMBLY

*2

REAR UPPER CONTROL ARM ASSEMBLY LH

*3

REAR UPPER CONTROL ARM ASSEMBLY RH

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Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft.*lbf)

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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 upper control arm assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Rear wheel alignment adjustment

  1. Clear zero point calibration data.
  2. Perform yaw rate and acceleration sensor zero point calibration.
  • DTCs are stored
  • ABS warning light illuminates
  • Slip indicator light illuminates
  • VSC disabled or malfunctions

Removal/installation of rear height control sensor sub-assembly LH*1

Initialize headlight ECU sub-assembly LH

Automatic headlight beam level control system

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement)*1

Gas leak from exhaust system is repaired

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

  • *1: w/ Height Control Sensor

CAUTION:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

PROCEDURE

1. REMOVE REAR SUSPENSION MEMBER SUB-ASSEMBLY

Click here

2. REMOVE REAR UPPER CONTROL ARM ASSEMBLY LH

(a) Remove the bolt, nut and rear upper control arm assembly LH from the rear suspension member sub-assembly.

NOTICE:

Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured.

3. REMOVE REAR UPPER CONTROL ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

Installation

INSTALLATION

PROCEDURE

1. INSTALL REAR UPPER CONTROL ARM ASSEMBLY LH

(a) Temporarily install the rear upper control arm assembly LH to the rear suspension member sub-assembly with the bolt and nut.

NOTICE:

  • Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut secured.
  • Insert the bolt with the threaded end facing the front of the vehicle.

(b) Position the rear upper control arm assembly LH as shown in the illustration.

Reference Length (A):

17.9 mm (0.705 in.)

(c) Fully tighten the bolt.

Torque:

73 N·m {744 kgf·cm, 54 ft·lbf}

NOTICE:

Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut secured.

2. INSTALL REAR UPPER CONTROL ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

3. INSTALL REAR SUSPENSION MEMBER SUB-ASSEMBLY

Click here

    Installation
    INSTALLATION 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. INSTALL REAR SUSPENSION A ...

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