37 12 092 Replacing Rear Left or Right Spring Strut
37 12 092 Replacing rear left or right spring strutSpecial tools required:
Warning!
Prior to each use of special tool 31 3 340, it is essential to read the associated Owner's Handbook fully!
All the safety information and instructions contained in the Owner's Handbook must be strictly observed!
Failure to observe these safety precautions and instructions increases the risk of serious physical injury, damage to your health and damage to property and equipment!
Important!
1. Prior to each use, check the special tools for defects, modifications and operational reliability.
2. Damaged/modified special tools must not be used!
3. No changes or modifications may be made to the special tools!
4. These special tools are intended solely for the purpose of tightening and relieving cylindrical and tapered suspension springs.
5. Keep special tools dry, clean and (down to the spindle) free from grease.
6. Impact screwdrivers are prohibited!
7. Do not compress coil spring to full extent.
Necessary preliminary work:
^ Remove rear spring strut shock absorber
Removing:
Clamp special tool 31 3 341 in vice.
Fit special tools 31 3 351 from above on special tool 31 3 341 until retaining bolt (1) can be felt and heard to snap into place.
Clean coil spring to remove all coarse dirt and mount on special tools 31 3 351.
Warning!
Coils of coil spring must be located completely in recesses of special tools 31 3 351!
Compress coil spring until stress on piston rod is relieved.
Release nut with special tool 33 0 040.
Remove plate and support bearing with spring pad.
Remove shock absorber with support cup, auxiliary damper, protective tube and spring pad sideways from tensioned coil spring.
If necessary, remove support cup, auxiliary damper (1) with protective tube and spring pad (2) from shock absorber.
Relieve tension on coil spring and remove from special tools 31 3 351.
Installation:
Warning!
Do not compress coil spring to full extent.
Coils of coil spring must be located completely in recesses of special tools 31 3 351!
Tension coil spring.
Check auxiliary damper (1) with protective tube and spring pad (2) for damage, replace if necessary.
Important!
Coat contact surface of spring pad (2) to shock absorber with Circo Light.
Attach support cup to piston rod.
Insert shock absorber in tensioned coil spring.
Check support bearing for damage, replace if necessary.
Attach support bearing and plate to piston rod.
Important!
One threaded bolt (1) on the support bearing must be on one plane with the bore in the rubber mount (2) and the opposite side of the bush (3).
Replace nut and tighten down with special tool 33 0 040.
Tightening torque 33 52 2AZ.
Important!
Align support bearing by way of spring pad to end of coil spring.
Important!
Lower end of coil spring must rest on stop of spring pad!
Relieve tension on coil spring.
Installation note:
^ Secure upper spring strut in body.
^ Align shock absorber eye to swivel bearing by turning shock absorber.
^ Code spring strut with ISID tester and check software version
