Galant models up to 1993.
Removal
1. Disconnect the negative cable from the battery.
Warning! If the car stereo system is equipped with a security code, make sure you have the correct combination to activate the audio system before disconnecting the battery!
2. Jack up the car and place it on stands. Remove the corresponding rear wheel.
3. Support the lower arm of the rear suspension with a jack.
4. Unscrew the clamp bolt of the brake line fastening clamp.
5. Loosen the retaining nut and use a special tool such as MB9f35 to release the upper ball joint from the trailing arm/hub assembly - if the joint is to be reused, proceed with extreme caution.
6. Mark the position of the eccentric upper mounting bolt and unscrew the latter from the control lever.
7. Remove the upper control arm from the vehicle.
Installation
1. Install the lever in its regular place, screw in the mounting bolt and tighten it slightly, achieving alignment of the mounting marks applied during dismantling.
2. Press the upper ball joint into the spindle assembly and tighten the new ball stud retaining nut to the specified torque (72 Nm).
3. Install the wheel and lower the car to the ground.
4. Finally tighten the upper arm mounting bolt to the required torque (160 Nm).
5. Connect the negative cable to the battery.
6. Check the rear wheel alignment angles and make appropriate adjustments if necessary.
Galant models 1994÷1998.
Removal
1. Jack up the vehicle and place it on stands. Remove the appropriate rear wheel assembly.
2. Unscrew the through bolt securing the upper arm to the hub assembly knuckle.
3. Remove the bolts securing the upper arm to the car body.
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4. Remove the upper control arm assembly.
5. If necessary, loosen the mounting nuts and remove the through bolts securing the upper arm support brackets.
Installation
1. Install the support brackets onto the upper control arm assembly. Tighten the nuts of the mounting bolts to the required torque (57 N·m).
2. Install the upper control arm assembly to the vehicle and tighten the four mounting bolts to 39 N·m (25 lb ft).
3. Install the through bolt securing the upper arm to the hub assembly knuckle, loosely tighten the mounting nut.
4. Install the wheel and lower the car to the ground.
5. Finally tighten the through bolt nut to the required torque (98 N·m).
6. Check the rear wheel alignment angles and make appropriate adjustments if necessary.
Diamante Models
Removal
1. Jack up the car and place it on stands. Remove the corresponding rear wheel.
2. Disconnect the stabilizer bar and remove the suspension strut assembly.
3. Support the longitudinal arm with a jack and loosen the self-locking nut that secures the control arm to it.
4. Using a puller, release the upper ball joint from the trailing arm.
5. Disconnect the control arm from the subframe and remove it from the vehicle.
Installation
1. Install the control arm on the subframe, lightly tighten the mounting bolt.
2. Connect the control lever to the trailing arm and tighten the self-locking nut to the required torque (75÷89 Nm).
3. Install the strut assembly and connect the stabilizer bar.
4. Install the wheel and lower the car to the ground.
5. Finally tighten the lever-to-subframe mounting bolt to the required torque (75÷89 Nm).
6. Check the rear wheel alignment angles and make appropriate adjustments if necessary.