Remove the front suspension arms for replacement or repair
Damage on the lever can be:
- - deformation of the lever itself;
- - ball joint wear;
- - wear of silent blocks.
The work to remove the left and right front arm is identical.
The operations to remove the lever must be carried out when hanging the front of the car or when the car is fully raised on a lift.
When hanging one wheel, the anti-roll bar will create a load and interfere with the dismantling of the arm.
To remove the lever, remove the wheel.
Disconnect the stabilizer bar mount (information on removing the stabilizer).
Remove the engine protection from below.
With a 16 head, we unscrew the nut of the coupling bolt of the terminal connection of the steering knuckle and the ball joint pin, holding the bolt with a wrench of the same size.
Remove the bolt or knock it out with a soft metal drift.
With a powerful slotted screwdriver or a mounting spatula, we open the connection between the steering knuckle and the ball joint pin.
At the same time, swaying the steering knuckle from side to side behind the brake disc, we remove the ball joint pin from the hole in the steering knuckle.
Using a 1Z head, we loosen the bolt that secures the subframe bracket to the body.
With a head of 18, we unscrew the nut securing the subframe bracket
Remove the bracket from the front bolt securing the lever to the subframe
With a head of 18, we unscrew the nut of the rear lever mounting bolt, holding the bolt with a spanner wrench of the same size.
Remove the bolt or knock it out with a soft metal mandrel.
Similarly, we unscrew the nut of the bolt of the rear fastening of the lever and remove the bolt.
Remove the suspension arm.
Install the lever in reverse order.
The nuts of the bolts securing the lever to the subframe are finally tightened.
Tightening torques for fasteners of assembly units during installation:
- - Nut of the coupling bolt of the terminal connection of the steering knuckle and ball joint pin 62 Nm
- - Nut of the suspension arm-to-subframe bolt 105 Nm
- - Nut fastening the subframe bracket to the bolt of the front suspension arm 62 Nm
- - Bolt for fastening the subframe bracket to the body 21 Nm
- - Nut of the screw securing the anti-roll bar to the suspension arm 14 Nm
- - Front wheel bearing nut 280 Nm
- - Wheel bolt 105 Nm