GM 25745695
Lower Control Arm, Rear Driver Side

To replace the Trailing Arm, lift and support the vehicle and then the tire and wheel must be removed. In support of the lower Control Arm, jack it up with an appropriate jack and then take off brake pipe bracket retaining nuts, thereafter, brake pipe bracket from the studs. After that, remove the lower Control Arm from the knuckle mounting bolt and the Trailing Arm to the knuckle mounting nut and bolt. Support the frame with an appropriate jack, unbolt the rear front bolts on the rear frame, and lower and support the front of the rear frame. Then pull the Trailing Arm to the rear frame mounting bolt and nut off and pull the Trailing Arm out. For installation, slide the free end of the Trailing Arm and bolt it to the frame with the help of nut tightening the nut at 90n.m (66 lb ft). After that, remove the support from the frame and lift it into position, install the front bolt to the rear frame and tighten the same to 265 n.m (195 lb ft). Clamp the extension of the arm to the knuckle with the mounting bolt and nut, making sure to tighten the bolt to 175 n.m (129 lb ft). Mount the brake pipe bracket back onto the mounting studs and tighten the retaining nuts with 10 n.m (89 lb in). Join the lower Control Arm with the knuckle and attach the lower Control Arm to the knuckle mounting bolt and tighten it at 175 n.m (129 lb.ft). Last, reinstall the tire and wheel before lowering the vehicle.

To replace the Trailing Arm, one first needs to raise and support the vehicle, after which the tire and wheel should be removed. Use a suitable jack to support the lower Control Arm and unbolt the brake pipe bracket retaining nuts and remove the brake pipe bracket from the mounting studs. Secondly, undo the lower Control Arm to the knuckle mounting bolt and the Trailing Arm to the knuckle mounting nut and bolt. Attach the frame to a suitable jack, unload the rear frame of the vehicle's front bolts, and lift and support the front of the vehicle's rear frame. Then, undo the Trailing Arm to the rear frame mounting bolt and nut before removing the Trailing Arm. Installation starts with the installation of the Trailing Arm and then the Trailing Arm to the frame mounting bolt and nut torqued at 90 nm (66 ft. Lbs.). Take away the support from the frame and put it into place before placing the front bolts at the rear frame and tightening it to 265 nm (195 ft. Lbs.). Second, install the Trailing Arm to the knuckle mounting bolt and nut, and tighten the bolt to 175 nm (129 ft. Lbs.). Mount the brake pipe bracket on to mounting studs and fasten them by the means of the standard hexagon nuts and tighten them to the standard torque of 10 nm(89 inch lbs.). Mount the lower Control Arm to the knuckle and tighten the lower Control Arm to the knuckle mounting bolt to 175 nm (129 ft. Lbs.). Finally, tire and wheel install and lower vehicle.

Connect the lower control arm to the knuckle and install the lower control arm to the knuckle mounting bolt, tightening it to 175 N.m (129 lb ft).