GM 23334607 Rear Coil Spring

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Remove the shock absorber lower mounting nut and bolt, as well as the lower control arm-to-knuckle nut and bolt and the upper control arm-to-lower control arm link bolt.

If the struts or coil springs show signs of wear such as leaking fluid, loss of damping capability, chipped, sagging, or cracked coil springs, it is important to explore all options before starting any work. These components are not serviceable and must be replaced if a problem arises. However, complete strut assemblies with springs may be available on an exchange basis, which can save time and effort. Before disassembling the vehicle, it is recommended to check the cost and availability of parts. To disassemble, the strut and spring assembly should be removed and the strut clevis bracket portion should be mounted in a vise. Following the instructions of the tool manufacturer, a spring compressor should be installed to relieve pressure from the upper spring seat. The damper shaft nut should be unscrewed while holding the shaft with an appropriate tool. The nut and upper mount should be removed and the parts laid out in the order they were removed. The rubber portion of the upper mount should be checked for cracking and deterioration, and replaced if necessary. The upper spring seat should be removed from the damper shaft and its rubber portion should be inspected for cracking and hardness. The bearing in the spring seat should also be checked for smooth operation. The dust boot and rubber bump stop should be slid off the damper shaft and inspected for deterioration. The compressed spring should be carefully lifted and set aside. To reassemble, the damper rod should be extended and the rubber bump stop and dust boot should be installed. The compressed coil spring should be placed onto the lower seat of the damper, with the end of the spring resting against the raised stop. The upper insulator and spring seat should be installed, followed by the upper mount and mounting nut, which should be tightened to the proper torque specifications. The spring compressor tool should be removed, and the strut/spring assembly can be installed.