Home Auto Repair 2007 Cadillac DTS Lower Rail Replacement

2007 Cadillac DTS Lower Rail Replacement

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Download Removal Procedure 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 . Caution: Sectioning should be performed only in the recommended areas. Failure to do so may compromise the structural integrity of the vehicle and cause personal injury if the vehicle is in a collision. 3. Remove all related panels and components. 4. Repair as much of the damage as possible. 5. Remove the sealers and the anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair . Important: Note the number and location of the factory welds for installation of the full rail service part. 6. Remove the front wheelhouse assembly. Refer to Front Wheelhouse Replacement . Important: Drill through the rail flange only. Do NOT drill into the dash panel or the inner reinforcements. 7. Using a 7-mm (17/64-in) spot weld remover, locate and drill out the factory welds on the weld flange connecting the lower rail to the dash panel. 8. Using an 8-mm (5/16-in) spot weld remover, locate and drill out the factory welds on the weld flange connecting the lower rail to the inner hinge pillar. 9. From the passenger compartment, locate the remaining factory welds which join the floor, the front of the dash, and the frame rail. Using an 8-mm (5/16-in) spot weld remover, drill out these welds.