OEM 2007 Cadillac XLR Rear Crossmember

2007 Cadillac XLR Rear Crossmember Parts and Q&A

• Q: How to replace the rear crossmember support on 2007 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.