Diesel Data: Automotive Repair

Spring-Bump Stop Replacement

Spring/Bump Stop Replacement

NOTE:
^ Bolts and nuts with the (star) mark are special corrosion resistant Dacro fasteners. Use the same type if replacement is necessary.
^ The illustrations show left side of the vehicle.

1. Raise the rear of the vehicle, and support it with safety stands in the proper locations. Remove the fender skirts and rear wheels on the right and left sides of the vehicle.





2. Disconnect the wheel sensor connectors (A), and remove the wheel sensor brackets (B) and the brake hose brackets (C), on the right and left sides.
3. Place a jack under each end of the rear axle beam.





4. Remove the flange bolts (A) at the bottom of the dampers on the right and left sides.





5. Lower the jacks on the right and left evenly, and remove the spring (A) and upper spring cushion (B).
6. Remove the nut (C) and bump stop (D).





7. Install the bump stop and spring in the reverse order of removal, and note these items:
^ Align the spring upper end (A) with the stepped part of the upper spring cushion (B), and align the spring lower end (C) with the stepped part of the spring seat on the rear axle beam (D).
^ When installing the flange bolts connecting the bottom of the dampers to the rear axle beam, first lightly tighten the bolts, raise the suspension with the jacks to load the vehicle weight, then fully tighten the bolts to the specified torque value.