Rear Rail Replacement Corvette

Tools Required

J 42058 Frame Adapter Clamp

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

1. Disable the SIR system. Refer to SIR Disabling and Enabling .
2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
3. Remove all related panels and components.
4. Remove the rear impact bar. Refer to Rear Bumper Impact Bar Replacement .
5. Note the location and remove the sealers and anti-corrosion materials from the repair area. Refer to Anti-Corrosion Treatment and Repair .
6. Repair as much of the damage as possible to the factory specifications.
7. Use J 42058 to secure the vehicle if pulling and straightening is required.
8. Inspect the front of the dash panel, floor panels, and all other sheet molded compound (SMC) for cracks or areas that may need to be repaired or resealed.



9. Remove the damaged section of frame rail within the shaded area.

Caution: Refer to Collision Sectioning Caution in the Preface section.




1. Determine the sectioning joint location within the recommended area.



2. Cut the new frame section from the new frame rail assembly.
3. Perform the sleeved butt-joint sectioning. Refer to Sleeved Butt Joint Repair .
4. Install the rear impact bar. Refer to Rear Bumper Impact Bar Replacement .
5. Apply the sealers and anti-corrosion materials to the repair area. Refer to Anti-Corrosion Treatment and Repair .
6. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems .
7. Install the related panels and components.
8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
9. Enable the SIR system. Refer to SIR Disabling and Enabling .

Rear Rail Replacement Z06

Tools Required

J 42058 Frame Adapter Clamp

The service rails are complete rail assemblies for the left and the right sides, 6063-T7, hydro-formed aluminum parts.

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

1. Disable the SIR system. Refer to SIR Disabling and Enabling .
2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
3. Remove all related panels and components.
4. Remove the rear impact bar. Refer to Rear Bumper Impact Bar Replacement .
5. Note the location and remove the sealers and anti-corrosion materials from the repair area. Refer to Anti-Corrosion Treatment and Repair .
6. Repair as much of the damage as possible to the factory specifications.
7. Use J 42058 to secure the vehicle if pulling and straightening is required.
8. Inspect the front of the dash panel, floor panels, and all other sheet molded compound (SMC) for cracks or areas that may need to be repaired or resealed.



9. Remove the damaged section of frame rail.

Caution: Refer to Collision Sectioning Caution in the Preface section.




1. Determine the sectioning joint location within the recommended area.



2. Cut the new frame section from the new frame rail assembly.



3. Perform the sleeved butt-joint sectioning. Refer to Sleeved Butt Joint Repair .
4. Install the rear impact bar. Refer to Rear Bumper Impact Bar Replacement .
5. Apply the sealers and anti-corrosion materials to the repair area. Refer to Anti-Corrosion Treatment and Repair .
6. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems .
7. Install the related panels and components.
8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
9. Enable the SIR system. Refer to SIR Disabling and Enabling .