GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Holden 🢒 2007 🢒 WM Sedan 🢒 Preface 🢒 Cautions and Notices 🢒 Body Side Inner Panel Extension Replacement

Removal Procedure

    Caution: Refer to Approved Equipment for Collision Repair Caution in the Preface section.

    Caution: Refer to Foam Sound Deadeners Caution in the Preface section.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling .

    2. Caution: Refer to Battery Disconnect Caution in the Preface section.

  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  3. Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement .
  4. Remove the rear impact bar. Refer to Rear Bumper Impact Bar Replacement .
  5. Remove the tail lights. Refer to Parking and Turn Signal Lamp Replacement .
  6. Remove the spare wheel and emergency kit from the rear compartment.
  7. Remove the spare wheel and tyre carrier. Refer to Spare Wheel Carrier Replacement .

    8. Object Number: 1939427 Size: SH
  8. Locate, mark and drill out the spot welds (1)in the side extension panel to the rear chassis rail.

    9. Object Number: 1939414 Size: SH
  9. Locate, mark and drill out the spot welds (1) in the side extension panel to the rear extension panel.

    10. Object Number: 1939394 Size: SH
  10. Locate, mark and drill out the spot welds (1) in the side extension panel to the rear extension panel.

Installation Procedure

    Important: If the location of the original spot weld holes can not be determined, or if structural weld-thru adhesive is present, space the puddle weld holes every 32 mm (1¼ in).

    Important: Spot welding is the preferred method for attaching panels and should be used wherever possible. A puddle weld should be performed where your spot welder is unable to reach.


    Object Number: 1937454 Size: SH
  1. Apply the primary sealer (1) GM6449G or equivalent along the tail lamp filler panel and rear extension panel to the rear quarter panel.

    2. Object Number: 1937439 Size: SH
  2. Apply the primary sealer (1) GM6449G or equivalent along the inner side extension panel.

    3. Object Number: 1937441 Size: SH
  3. Apply the primary sealer (1) GM6449G or equivalent along the outer side extension panel.

    4. Object Number: 1937324 Size: SH
  4. Weld (1) the rear extension panel to the side extension panel.

    5. Object Number: 1937322 Size: SH
  5. Weld (1) the rear extension panel to the side extension panel.

    6. Object Number: 1937318 Size: SH
  6. Weld (1) the side extension panel to the rear chassis rail.
  7. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .
  8. Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems .
  9. Install the spare wheel and tyre carrier. Refer to Spare Wheel Carrier Replacement .
  10. Install the tail lights. Refer to Parking and Turn Signal Lamp Replacement .
  11. Install the rear impact bar. Refer to Rear Bumper Fascia Insert Replacement .
  12. Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement .
  13. Install the spare wheel and emergency kit from the rear compartment.

    14. Caution: Refer to Battery Disconnect Caution in the Preface section.

  14. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  15. Enable the SIR system. Refer to SIR Disabling and Enabling .
  16. If re-programming is required. Refer to Control Module References .