REAR UPPER ARM REMOVAL/INSTALLATION

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Caution
•  Performing the following procedures could cause an open circuit in the rear ABS wheel-speed sensor wiring harness if it is pulled by mistake. Before servicing, disconnect the rear ABS wheel-speed sensor and set it aside so that the wiring harness will not be pulled by mistake.
Note
•  Mark the position before removing the rear upper arm.
•  Align the rear crossmember and rear upper arm markings when installing the rear upper arm.
•  Tighten the rear upper arm inner bolt completely before installing the rear crossmember component to the vehicle.

1.  Switch the ignition ON (engine off). (With electric parking brake)

2.  Release the electric parking brake. (With electric parking brake)

3.  Switch the ignition off. (With electric parking brake)

4.  Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5].) (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 1.5].) (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [MZR 1.6].)

5.  Remove the wheels and tires. (See WHEEL AND TIRE REMOVAL/INSTALLATION.)

6.  Disconnect the auto leveling sensor link. (See AUTO LEVELING SENSOR REMOVAL/INSTALLATION.)

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7.  Disconnect the wiring harness clips and connector installed to the rear crossmember.

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8.  Disconnect the rear ABS wheel-speed sensor wiring harness installed to the hub support and set it aside. (Without electric parking brake)

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9.  Disconnect the rear ABS wheel-speed sensor wiring harness and the electric parking brake motor gear unit connector and set it aside so that it does not interfere with the servicing. (With electric parking brake)

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10.  Remove the presilencer. (MZR 1.6) (See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR 1.6].)

11.  Remove the TWC. (SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5) (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5].)

12.  Remove the middle pipe. (SKYACTIV-D 1.5, SKYACTIV-D 2.2) (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-D 1.5].) (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

13.  Remove the rear coil spring. (See REAR COIL SPRING REMOVAL/INSTALLATION.)

14.  Set the bracket aside.

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15.  Remove in the order indicated in the table.

16.  Install in the reverse order of removal. (See Suspension Links Installation Note.)

17.  When replacing the rear upper arm, inspect the wheel alignment and adjust it if necessary. (See REAR WHEEL ALIGNMENT.)

18.  Perform the headlight auto leveling system initial setting. (See HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION.)

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1
Rear upper arm
(See Rear Upper Arm Removal Note.)
(See Rear Upper Arm Inner Bolt Installation Note.)
2
Rear upper arm bushing
(See Rear Upper Arm Bushing Removal Note.)
(See Rear Upper Arm Bushing Installation Note.)


Rear Upper Arm Removal Note

1.  Jack up the vehicle to the unloaded condition, and support the rear trailing link component using a jack.

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2.  Align the rear crossmember component and rear upper arm and mark them.

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3.  Support the rear crossmember component with a jack and remove the rear crossmember installation nuts.

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4.  Press down on the rear crossmember component slowly until the rear upper arm inside installation bolts can be removed using a jack.

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5.  Remove the rear upper arm.


Rear Upper Arm Bushing Removal Note

1.  Mark the rear upper arm as shown in the figure.

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2.  Press the rear upper arm bushing out using the SSTs.

Caution
•  Set using the SST(49 U027 010) as shown in the figure to prevent damaging the rear upper arm and rear upper arm bushing and remove the rear upper arm bushing.
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Suspension Links Installation Note

1.  When installing the joint sections with rubber bushings, perform the following procedures.

(1)  Temporarily tighten the bolts with the vehicle lifted up.
(2)  Lower the vehicle to the ground and tighten the bolts to the specified torque.


Rear Upper Arm Bushing Installation Note

1.  Mark the new rear upper arm bushing as shown in the figure.

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H1: 5.0 mm {0.20 in}

2.  Align the projection of a new rear upper arm bushing with the marks placed during removal.

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3.  Press fit the rear upper arm bushing until the marks placed in Step 1 cannot be seen using the SSTs.

Caution
•  Set using the SST(49 U027 010) as shown in the figure to prevent damaging the rear upper arm and rear upper arm bushing, and install the rear upper arm bushing.
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Note
•  Be careful when press-fitting the rear upper arm bushing because the bushing height of the inner and outer sides differs.
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H2: 49.5 mm {1.95 in}
H3: 44.5 mm {1.75 in}

4.  After installing the rear upper arm bushing, verify that it is installed to the position shown in the figure.

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H4: 25.0±0.6 mm {0.984±0.02 in}


Rear Upper Arm Inner Bolt Installation Note

Note
•  When newly replacing the rear upper arm, place alignment marks on the new part in the same position as the removed rear upper arm.
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1.  Align the alignment marks and tighten the rear upper arm inner bolt to the specified torque.

Tightening torque
78—105 N·m {8.0—10 kgf·m, 58—77 ft·lbf}

2.  Lift up the rear crossmember component using a jack and install the rear crossmember installation nuts.

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Tightening torque
91—111 N·m {9.3—11 kgf·m, 68—81 ft·lbf}