OEM Buick Terraza Rear Crossmember

Buick Terraza Rear Crossmember Parts and Q&A

• Suspension Crossmember, Rear
  15127512
  Q: How to replace the Rear Crossmember on Buick Terraza?

  A:

  The first step for crossmember replacement includes lifting the vehicle, supporting it and uninstalling the rear wheels and tires. Mount the rear Differential carrier on a utility stand after which you should remove the Rear Crossmember mounting bolts. Start by removing the rear suspension knuckle before disconnecting the wheel speed sensor harness from both the lower Control Arm and Rear Crossmember. Then unscrew the rivets holding the park brake cable to the Rear Crossmember. Disembark the automatic level control (ALC) height sensor and link from the crossmember bar and lower Control Arm before fastening the alc wiring harness to stay out of reach. Place support underneath the Rear Crossmember using a utility jack before removing Rear Crossmember mounting bolts and finally lowering the crossmember. Take out all components including rear stabilizer shaft and rear axle upper control arms and rear axle lower control arms and Tie Rods from the Rear Crossmember. Installation starts with tying rods to the crossmember then adding lower controls followed by upper controls. Place the rear stabilizer shaft onto the Rear Crossmember before using guide pins to align the crossmember through the rail holes. Complete installation with Rear Crossmember mounting bolts torqued to 130 nm (96 lb ft). Install the alc height sensor onto the crossmember and lower Control Arm followed by rear Differential carrier mounting bolts. The rear suspension knuckle receives installation after you complete both Parking Brake Cable attachment to the Rear Crossmember and wheel speed sensor harness connection. After reattaching the rear tires and wheels, lower the vehicle and check for wheel alignment issues to perform any required adjustments.