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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 >> Installation Procedure

Installation 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.
    Fig 1: Locating Rear Suspension Support Nut
    GM482315Courtesy of GENERAL MOTORS CORP.
  1. Install the rear suspension support nut (2).
  2. Lower the frame crossmember nut retainer into place. Ensure that the following conditions exist:
    • The frame crossmember nut is correctly positioned.
    • The frame crossmember nut operates correctly.
  3. Spot weld the frame crossmember nut retainer in the original location.
  4. Clean and prepare the welded surfaces.
  5. Apply corrosion protection. Refer to Anti-Corrosion Treatment and Repair in Paints and Coatings.
    6. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Install the new rear suspension support bolt to the frame crossmember nut.

    Tighten:  Tighten the bolt to 130 N.m (96 lb ft).

    7. Fig 2: View Of Access Panel
    GM478735Courtesy of GENERAL MOTORS CORP.
  7. Reposition the panel downward to the original position.
  8. Stitch weld the panel back to the original position using 25 mm (0.98 in) welds along the seam. Leave 25 mm (0.98 in) gaps between the welds. A solid joint with minimal heat distortion will result. Continue to finish the stitch weld procedure.
  9. Use a small grinder in order to remove the excess material from the floor panel until the following conditions exist:
    • The floor panel is smooth.
    • The floor panel is free from rough edges.
  10. Clean and prepare the welded surfaces.
  11. Apply corrosion protection. Refer to ANTI-CORROSION MATERIALS NOTICE in General Information.
  12. Apply Primer and let the primer dry for approximately 30 minutes. Then apply Dominion Sure Seal P/N 110900 Sound Deadener or the equivalent to the repair area.
  13. Install the carpet and the pad over the repair area Refer to Carpet Replacement in Interior Trim.
  14. Apply anti-corrosion compound GM P/N 12346225 or equivalent. Thoroughly coat the inside of the repair area through the access hole.
  15. Connect the negative battery cable. Refer to ENGINE ELECTRICAL .
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