Strut Assembly (Pneumatic)

Fig. 5 Typical air spring installation:

Strut replacement procedures on these models are similar to those for conventional suspension. However, service on air spring strut assemblies is limited to replacement of the upper mount and replacement of the entire strut assembly. To service air spring strut assemblies, proceed as follows:
1. Disconnect battery ground cable and remove cap from top of strut, Fig. 5.
2. Disconnect air line from top of strut, then remove mud guard.
3. Release vehicle height sensor lead from clip and disconnect electrical connector.
4. Raise and support vehicle and remove strut assembly as outlined for models with conventional suspension.
5. Ensure all air has been discharged from air spring chamber, then remove strut mount retaining nut while holding strut shaft with spanner wrench 926510000 or equivalent. Strut rod must be properly secured with spanner wrench to prevent damaging diaphragm.
6. Transfer mount to replacement stud and torque retaining nut to 38-49 ft.lbs. while holding strut shaft with spanner wrench.
7. Install strut assembly as outlined for models with conventional suspension.
8. Secure height sensor lead in clip at a point 8.27 inches from strut and reconnect electrical connector.
9. Connect air line using new O-ring seal, lightly lubricated with multi-purpose grease, and torque fitting to 3.6-10.8 ft.lbs.
10. Reverse remaining procedure to complete installation.