Removal and installation of the upper rear suspension arm
1. Upper arm rear suspension.
2. Bushings of the upper arm of the rear suspension.
Note:
: replace the part with a new one after each removal.
: use a special tool or attachments.
Attention. Be careful not to shoot out the helical spring when removing/installing. Otherwise, the spring could cause serious injury or even death, as well as various damage to the vehicle.
Note:
- Before removing the upper arm of the rear suspension, mark its position.
- When installing, align the marks on the rear subframe and upper rear suspension arm.
- Fully tighten the rear upper arm inner bolt before installing the rear subframe assembly to the vehicle.
1. Versions with auto level sensor: Working from the left side of the vehicle, disconnect the auto level sensor linkage.
2. Versions with automatic leveling sensor: disconnect the electrical wiring clamps and connectors mounted on the rear subframe.
3. Disconnect the wiring of the rear ABS wheel sensor mounted on the hub support and put it aside.
4. Remove the three-way catalytic converter.
5. Remove the middle part of the exhaust pipe.
6. Remove the rear suspension coil springs.
7. Raise the vehicle to relieve the suspension and support the trailing arm of the rear suspension with a jack.
8. Align rear suspension subframe assembly with upper suspension arm and mark.
9. Support the rear subframe assembly with a jack and unscrew the nuts securing the rear subframe.
10. Using a jack, slowly lower the rear subframe assembly down until the inner mounting bolts are accessible for unscrewing.
11. Remove the upper arm of the rear suspension.
12. Mark the upper arm of the rear suspension as shown in the figure.
13. Press out the bushings of the upper arm of the rear suspension using special tools.
Attention. With a special tool (49 U034 204) install the suspension arm as shown in the figure to prevent damage to the upper rear suspension arm and arm bushing.
14. Mark the new rear upper arm bushing as shown.
H1: 6.0 mm
15. Align the lug of the new rear upper arm bushing with the mark made during removal.
16. Using a special tool, press in the bushing of the upper arm of the rear suspension so that the marks made on the bushing earlier are no longer visible.
Attention. With a special tool (49 U034 204), as shown in the figure to prevent damage to the rear upper arm and arm bushing, and install the rear upper arm bushing.
Note: Be careful when pressing in the rear upper control arm bushing as the inner and outer heights are different.
H2: 49.5mm.
H3: 44.5mm.
17. After installing the rear upper arm bush, make sure it is installed as shown.
18. Mark the new upper rear suspension arm in the same position as the removed suspension arm.
19. Install the upper rear suspension arm.
20. Using a jack, raise the rear subframe assembly and tighten the fixing nuts to a torque of 91-111 Nm.
21. Check and, if necessary, adjust the wheel alignment.