FRONT UPPER ARM REMOVAL/INSTALLATION

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Caution
•  Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before performing the following procedures, remove the ABS wheel-speed sensor (axle side) and fix it to an appropriate place where the sensor will not be pulled while servicing the vehicle.

1.  Remove the ABS sensor wiring harness brackets installed to the upper arm and steering knuckle, then move aside the ABS sensor.

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2.  Remove in the order indicated in the table.

3.  Install in the reverse order of removal.

4.  Inspect the front wheel alignment and adjust it as necessary. (See FRONT WHEEL ALIGNMENT [4x2]) (See FRONT WHEEL ALIGNMENT [4x4].)

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1
Brake hose bracket
2
Cotter pin and nut
3
Front upper arm ball joint
(See Front Upper Arm Ball Joint Removal Note.)
4
Bolt and washer
5
Adjustment shim
(See Adjustment Shim Removal Note.)
6
Front upper arm component
7
Bolt and washer
8
Front upper arm ball joint
9
Clip
(See Clip Installation Note.)
10
Dust boot
11
Shaft
(See Shaft And Front Upper Arm Bushing Removal Note.)
(See Front Upper Arm Bushing And Shaft Installation Note.)
12
Front upper arm bushing
(See Shaft And Front Upper Arm Bushing Removal Note.)
(See Front Upper Arm Bushing And Shaft Installation Note.)
13
Front upper arm


Front Upper Arm Ball Joint Removal Note

1.  Separate the upper arm ball joint from the knuckle arm using the SST.

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Adjustment Shim Removal Note

1.  Note the number, amount and position of the shims so that they are reinstalled in the correct positions.


Shaft And Front Upper Arm Bushing Removal Note

1.  Install the SSTs to the front upper arm.

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Caution
•  When pulling off the front upper arm bushings, parts or the SST could be scattered causing serious injury, therefore securely install the SST band (Mazda SST number: 49 U034 210, Global SST number: 204-636).

2.  Set the front upper arm assembled in Step 1. to the press, then install the SSTs and remove the shaft and upper arm bushings.

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3.  Remove the front upper arm bushing remaining on the front upper arm using the SSTs.

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4.  Remove the front upper arm bushing remaining on the shaft using the SSTs.

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Front Upper Arm Bushing And Shaft Installation Note

1.  Temporarily install the shaft and front upper arm bushings to the front upper arm.

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2.  Assemble the SSTs (49 U034 210).

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•  Use the pins marked B.

3.  Install the SSTs assembled in Step 2. to the front upper arm as shown in the figure.

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Note
•  Align the convex part of the front upper arm with the SST (Mazda SST number: 49 U034 212, Global SST number: 204-638) notch so that press-fit can be performed at a level angle.
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•  Because the press-in angle of the upper arm bushing depends on the SST installation, install the SSTs so that they are completely aligned with the front upper arm.

4.  Press fit either one of the front upper arm bushings using a press and the SSTs.

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Note
•  Press in the press being careful not to separate the SST from the front upper arm.

5.  Press fit the other upper arm bushing using a press and the SSTs.

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Clip Installation Note

1.  Install the SST to the ball joint stud with the stud stands straight up.

2.  Install the clip in the dust boot groove using the SST.

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