Component And Assembly Overview
The spring strut has a thread and a height-adjusting nut -2- for adjusting the ride height of the vehicle. The height-adjusting nut -2- is prevented from turning by the lock nut -1- .
The height-adjusting nut -2- and lock nut -1- are not available as spare parts (these are supplied with replacement dampers).
Adjustment dimension on spring strut
| 1 | Lock nut (grooved nut)/tightening torque: 50 N.m (37 ft lb.). |
| 2 | Height-adjusting nut (grooved nut) |
| X | Pre-set dimension for production = 186 mm (plus/minus 1 mm). The dimension may be different for the prescribed vehicle height. If the damper is to be replaced, use the same actual dimension for the new damper. |
Overview of rear spring strut
TIGHTENING TORQUE SPECIFICATION
| No. | Designation | Qty. | Removal | Installation |
|---|---|---|---|---|
| 1 | Lock nut M14 x 1.5 | 1 | Pre-tension coil spring using spring tensioner. Then, loosen the lock nut. Use a socket-wrench insert, e.g. > T10395/8-10 - tool set supplement a/f 19 , for loosening. Counter at the piston rod using an open-ended wrench when loosening and tightening the lock nut. |
Use a new lock nut. > Tightening torque 70 N.m (51.6 ft lb.) + 5 N.m (3.7 ft lb.) |
| 2 | Supporting mount | 1 | ||
| 3 | Spring plate, upper | 1 | Replace if necessary. | |
| 4 | Coil spring | 1 | Always replace both coil springs at the same time (coil springs are only available in pairs). | |
| 5 | Protective tube | 1 | ||
| 6 | Intermediate ring | 1 | Replace if necessary. | |
| 7 | Additional spring | 1 | ||
| 8 | Vibration damper | 1 | Identical parts on left and right side. | |
| 9 | Concave washer/height-adjusting nut. Not available as a spare part. | 1 | Do not remove (not available as a spare part). When replacing the vibration damper, set the existing adjustment dimension X on the new part. Explained further in the assembly instructions. |
|
| 10 | Lock nut. Not available as a spare part. | 1 | Do not remove (not available as a spare part). |