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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Frame And Underbody) >> Repair Instructions >> Suspension Support Nut Replacement - Rear >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to ENGINE ELECTRICAL .
  2. Remove the carpet from the trunk area. Refer to Carpet Replacement in Interior Trim.
  3. Remove the following components as needed:
    • The sealers
    • The sound deadening materials
    • The corrosion materials
  4. Remove the rear suspension support bolt.
  5. Place a center punch through the damaged rear suspension support nut. Strike the center punch using a hammer. The punch will leave a dimple on the floor. Use the dimple in order to locate the area where the frame crossmember nut will be removed.
    6. IMPORTANT: Do not cut or damage the adjacent panels or the reinforcements.
    Fig 1: View Of Access Panel
    GM478735Courtesy of GENERAL MOTORS CORP.
  6. Use a cutoff wheel in order to cut an access panel.
  7. Lift the panel upward in order to gain access to the frame crossmember nut retainer.
    8. IMPORTANT: Reuse the frame crossmember nut retainer if the retainer is not damaged from the stripped out bolt.
    Fig 2: Locating Rear Suspension Support Nut
    GM482315Courtesy of GENERAL MOTORS CORP.
  8. Use an air chisel in order to break away the spot welds (1) on one side of the frame crossmember nut retainer (3).
  9. Lift one side of the frame crossmember nut retainer enough in order to remove the frame crossmember nut.
  10. Remove the rear suspension support nut (2).
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