Upper control arm front suspension (Mazda BT-50 (1))

Removal and installation

Note: Carrying out repairs without first removing the ABS wheel speed sensor may damage the sensor wiring. To prevent damage to the sensor or its wiring, remove the wheel speed sensor and secure it to the side before performing major repairs.

1. Remove the wheel speed sensor and sensor brackets.



2. Remove the parts in the order they are numbered in the assembly drawing "Removing and installing the upper arm of the front suspension".

Note:

• Installation is carried out in the reverse order of removal.
• After installation:
• check and, if necessary, adjust the height of the front suspension;
• check and, if necessary, adjust the front suspension installation angles.

Notes on removal

1. Upper arm ball joint.

Using a puller, press the ball joint pin out of the steering knuckle.



2. Adjusting spacers.



When removing the adjusting shims, remember the number and location of the shims.

Installation Notes

1. Fixing ring.

a) Install the ball joint with the finger facing up. Install the special mandrel on the ball joint.

b) Install the retaining ring into the grooves of the ball joint using a mandrel.



2. Lever mounting bolt and washer. Install the washer and tighten the bolt to the specified tightening torque.

• Tightening torque - 150 - 176 Nm

Examination

1. Remove the front upper control arm from the vehicle.

2. Check the lever for damage, cracks or bends.

3. Make sure there is no excessive play in the ball joint of the lever.

4. Check the moment of resistance to rotation of the ball joint pin.

a) Turn the ball joint pin five times.



b) Install a special device on the ball joint pin and measure the rotational resistance using a dynamometer.

• Dynamometer readings: 5 - 25 N

If the measured resistance is not within the normal range, replace the control arm assembly.