OEM Cadillac Rear Crossmember

Cadillac Rear Crossmember Parts Questions & Experts Answers

• Suspension Crossmember
  90576508
  Q: How to service the Rear Crossmember on Cadillac Catera?

  A: In order to service the rear suspension, they must first raise and support the vehicle with a rear axle support flange fastening bolts being accessible. Separate from the tire and the wheel assemblies, along with the rear Wheel Speed Sensor connections. Next, pull the propeller shaft disc joint bolts on the rear differential flange loose and remove the exhaust system at the rubber body mounts. Remove the brake pipe clips, brake pipes from the lower control arms, as well as remove the parking brake cables from the actuator brackets. Take the rear Brake Calipers off without entering the brake hydraulic system and scribing reference mark around the dimension of the rear axle cradle mount to ensure correct reconconnections. Support the rear axle cradle so it is supported to meet weight distribution and lower Control Arm support each when removing the lower mount bolt of the shock absorber. After that, take off the shock absorber lower mounting bolts, followed by the rear axle cradle mount bolts, and finally pivot the rear axle cradle to take off the springs. Lower the vehicle, and if using anything other than a universal support table, apply a floor jack and stands to support the rear axle cradle before removing the rear axle support flange bolts, and rear axle support bushing bolts, to get the rear axle cradle out. For the installation, always support the rear axle cradle, place it in positions, and install it: tighten rear axle support bushing bolts to 125 nm (92 ft. Lbs.) and rear axle support flange bolts to 65 nm (48 ft. Lbs.). Raise the vehicle, install the springs, align the rear axle cradle to the earlier scribe marks and install the rear axle cradle mount bolts and tighten to 65 nm (48 ft. Lbs.). Support the lower Control Arm to align the bolts and install the shock absorber lower mounting bolts, tightened to 110 nm (81 ft. Lbs.). Prepare the rear axle cradle, filter out the support from rear axle cradle and fit rear brake. Caliper install parking brake cables and brake pipes to the lower control arms, with clips fitted. Replace j suggestion the exhaust system at the rubber body mounts, then the propeller shaft disc joint bolts into the differential flange, followed by a torque-to-95 nm (70 ft. Lbs.). Reconnect the rear Wheel Speed Sensor connects and install the tire and wheel parts, lower the vehicle, and adjust the rear toe to specifications.
• Suspension Crossmember, Rear
  15864493
  Q: How to replace the rear crossmember support on Cadillac XLR?

  A: To remove replace the rear suspension support cross member get yourself the vehicle up in the air. Pull off the tire and wheel assemblies, unplug the wheel speed sensor harness connectors and the park brake cables from the actuator levers. If you have it, unbolt the electrical connectors from the electronic suspension control (ESC) shock absorbers harnesses and the rear suspension position sensors. Next, remove the inner tie rod end studs and the lower control arms from the cross member and support the lower control arms, tie rods, and rear suspension knuckles. Chuck out the transverse spring and reassemble the drivetrain support fixture (J 42055) and hang onto it to a transmission jack and fixture it to the transmission so as to support the transmission. Loosen the transaxle mount lower nuts, disconnect all electrical harness retainers as well as brake pipe retainers from the crossmember, and then set a transmission jack in position under the Rear Crossmember which has to be fastened well. With hand tools only, remove the nuts for the Rear Crossmember mounting and take out the crossmember, discarding the mounting nuts. Fixation-wise, align dowels of the cross member with frame rails and transaxle mount studs with the cross member, while using new cross member mounting nuts. Installation of mounting nuts of the new rear suspension crossmember using hand tools only and tighten up to 110 n.m (81 lb ft). Unlock the j 42055 transmission jack from the transmission as well as the crossmember and fasten all the electrical harness retainers and brake pipe retainers to the crossmember. Mount the nuts on the transaxle mount lower, transverse spring, lower control arms, inner tie rod end studs, and rear suspension position sensors. If installed, then connect the electrical connectors into the esc Shock Absorber harnesses, connect the park brake cables to the actuator levers, and attach the connector for the wheel speed sensor harness. Lastly, install the tire and wheel assemblies, lower the vehicle, measure and adjust the rear trim height if required and do rear wheel alignment.