2. Clamp the rack assembly in a vice with soft jaws, install the special device (see accompanying illustration) so that at least 3 turns of the spring are compressed and compress the coil spring, completely removing the load from the support bearing.
Caution: When compressing the spring on the strut of models with automatic ride height control, be careful not to damage the pressure regulator on the shock absorber!
Ensure that the spring of the compression device is securely seated.
3. Holding the shock absorber rod with a wrench, unscrew the nut (see illustration 3.2).
4. Remember the installation position of the shock absorber assembly elements, if necessary, mark their position with a marker and disassemble the strut into elements (see accompanying illustration).
5. Inspect the components for mechanical damage, check the smoothness of the shock absorber rod. Replace the failed components.
6. Inspect the shock absorber for signs of leaks. Make sure that there are no signs of corrosion or mechanical damage along the entire length of the rod. Holding the shock absorber vertically, check its proper functioning, both at full and short (50 + 100 mm) stroke of the rod. In both cases, the resistance should be soft, even and constant. If signs of malfunction are detected, both shock absorbers should be replaced.
7. Remove the spring compression device and carefully inspect the spring for signs of deformation and mechanical damage. If necessary, replace both front suspension springs. Springs are identified by color marking on one of the coils. Springs that have sagged or do not develop the required force must also be replaced.
Note: New springs have a protective varnish coating against corrosion - try not to damage it during installation.
8. Check the condition of other rack assembly components. Replace any faulty parts.
9. Installation is performed in the reverse order of removal. When installing the spring, make sure that it is positioned correctly. Screw a new nut onto the shock absorber rod and, holding the rod from turning, tighten it with the required force.
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