Nissan 55020-1W201 Spring Rear Suspension

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The upper spring seats and bump stops should be checked for cracks, hardening, and general deterioration, and replaced if necessary.

Remove the piston rod nut. Remove the upper mount. Inspect the bearing in the mount for smooth operation, and replace it if it does not turn smoothly. Check the rubber portion of the mount for cracking and general deterioration, and replace it if there is any separation of the rubber. Lift the spring seat and upper insulator from the piston rod. Check the rubber spring seat for cracking and hardness, and replace it if necessary. Carefully lift the compressed spring from the assembly and set it in a safe place. Slide the dust boot off the piston rod. Check the lower insulator for wear, cracking, and hardness, and replace it if necessary. If replacing the lower insulator, set it into position with the dropped portion seated in the lowest part of the seat. Extend the damper rod to its full length and install the dust boot. Carefully place the coil spring onto the lower insulator, with the end of the spring resting in the lowest part of the insulator. Install the upper insulator and the spring seat, ensuring the cutout on the spring seat faces in, away from the strut-to-knuckle flange. Install the dust seal and upper mount to the piston rod. Install a new piston rod nut and tighten it to the specified torque.

After that, you remove the nut and detach the stabilizer bar link from the strut. Then, you remove the strut-to-knuckle nuts and knock the bolts out with a hammer and punch.