OEM Cadillac Rear Crossmember

Cadillac Rear Crossmember Parts and Q&A

• Suspension Crossmember
  90576508
  Q: How to replace the Rear Crossmember in the suspension on Cadillac Catera?

  A:

  First, raise and support the vehicle to have the face of rear axle support flange fastening bolts to be accessible, in order for replacement of the cross member used in the rear suspensions. Make sure to remove the tire and wheel and also remove the rear Wheel Speed Sensor connections. Next, remove the propeller shaft disc joint bolts 95 nm (70 ft. Lbs.) from rear diff, flange and take off exhaust system using rubber body mount. Take off the brake pipe clips as well as brake pipes on the lower control arms, then the parking brake cables off from the actuator brackets. Suspend the rear Brake Calipers, without fairing bleeding the brake hydrulic system, and scribe around the perimeter of the rear axle cradle mount for a reference mark, to ensure accurate reinstallation of the rear axle assemblies. Support the rear axle cradle and make sure it is properly supported for weight distribution, and support both lower control arms when removing the shock absorber lower mount bolt. You remove the shock absorber lower mounting bolts, then you remove the rear axle cradle mount bolts, and you pivot your rear axle cradle to remove the springs. Lift up the vehicle and, when not using a universal support table, set the rear axle cradle on the floor jack and stands before removing the rear axle support flange bolts and the rear axle support bushing bolts in order to remove the rear axle cradle. To install install the rear axle cradle supporting it only and placing it into position the rear axle cradle tightening in the process the rear axle support bushing bolts (125 Nm (92 ft. Lbs.) and rear axle support flange bolts (65 Nm (48 ft. Lbs.). Lift the vehicle, allow the springs to go, align the rear axle cradle to earlier scribed marks, and apply rear axle cradle mount bolts (65 Nm (48 ft. Lbs)). Support the lower Control Arm for bolt alignment and fasten the shock absorber lower mounting bolts (110 Nm (81 ft. Lbs.)). Unbolt the support from the rear axle cradle then install the rear Brake Calipers, parking brake cables and brake pipes to the lower control arms as well as fixing with clips. Place back the exhaust system at the rubber body mounts, reattach the prop shelter disc joint bolts (95 Nm (70 ft. Lbs.)) to the rear differential flange, reconnect the rear Wheel Speed Sensor associations, and place back the tire and colossus. Finally, bring down the vehicle and change the rear toe to standards.
• Suspension Crossmember, Rear
  15864493
  Q: How to replace the Rear Crossmember in the rear suspension on Cadillac XLR?

  A:

  Begin crossmember replacement by elevating the vehicle then supporting it before taking off wheels and tires. Attentively disconnect wheel speed sensors harness connectors and inner tie rod end studs from the Rear Crossmember and the lower control arms from the crossmember. Raise and support the rear drive shafts alongside the rear suspension knuckles before you remove the transverse spring. A transmission jack must support the crossmember while you remove the lower nuts from the transaxle mount. Disconnect both electrical harnesses and connectors alongside all brake pipes from the crossmember. You must maintain support under the transaxle while using hand tools to remove the Rear Crossmember mounting nuts through the transmission jack setup. Discard all crossmember mounting nuts after you remove the crossmember framework from its vehicle position. Align the new crossmember's dowel pins to frame rail holes before positioning the transaxle mount studs to face the crossmember. The installation requires new crossmember nuts and their tightness must reach 110 n.m (81 lb ft). After taking out the transmission jack from the Transmission Pan you must reinstall all electrical harnesses and connectors before connecting the brake pipes to their retainers in the crossmember. The installation requires placement of the transaxle mount lower nuts in addition to the transverse spring and lower control arms and the inner tie rod end studs in the crossmember. The wheel speed sensors harness connector needs to be reconnected while installing the tire and wheel assemblies before ultimately lowering the vehicle.