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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Rear Suspension System) >> Repair Instructions >> CROSSMEMBER Replacement >> Removal Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle.
  2. Remove the tire and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in TIRES AND WHEELS article.
  3. Disconnect the electrical connectors from both wheel speed sensors. See Fig 1.
  4. Disconnect the electronic suspension control (ESC) position sensor links, if equipped. See Fig 2.
  5. Disconnect the shock absorber solenoid electrical connectors, if equipped. See Fig 3.
  6. Remove the transverse spring from the crossmember. Refer to REAR TRANSVERSE SPRING REPLACEMENT .
  7. Support the crossmember with a transmission jack.
  8. Remove the stabilizer shaft from the vehicle. Refer to STABILIZER SHAFT REPLACEMENT .
  9. Disconnect the outer tie rod end studs from the rear suspension knuckles. Refer to TIE ROD REPLACEMENT (OUTER END)  or TIE ROD REPLACEMENT (SUSPENSION LINK)  .
  10. Remove the transaxle mount lower nuts. Refer to Removal (Automatic Transmission) in DRIVE AXLES article.
  11. Remove the shock absorber lower mounting bolts from the lower control arms. See Fig 4.
  12. Remove the upper control arm from the rear axle. Refer to REAR AXLE UPPER CONTROL ARM REPLACEMENT .
  13. Loosen the nut on the lower control arm ball joint stud. Do not remove. See Fig 5.
  14. Rotate the suspension knuckles backwards until the wheel drive shaft clears the differential. Refer to AXLE SHAFTS .
  15. Support the wheel drive shafts and the rear suspension knuckles.
  16. Disconnect all the electrical connectors from the crossmember.
  17. Disconnect the brake pipes from the crossmember.
  18. Support the transaxle under the transmission pan with a transmission jack.
  19. Remove the rear crossmember mounting nuts.
  20. Remove the crossmember from the vehicle.
  21. Discard the rear crossmember mounting nuts.
Fig 1: Disconnecting Wheel Speed Sensor Harness Connector
G00371754Courtesy of GENERAL MOTORS CORP.
Fig 2: Disconnecting ESC Rear Position Sensor Links
G00371755Courtesy of GENERAL MOTORS CORP.
Fig 3: Disconnecting Shock Absorber ESC Harness Connector
G00371756Courtesy of GENERAL MOTORS CORP.
Fig 4: Removing Shock Absorber Lower Mounting Bolts
G00371776Courtesy of GENERAL MOTORS CORP.
Fig 5: Loosening Lower Control Arm Ball Joint Stud Nut
G00371777Courtesy of GENERAL MOTORS CORP.
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