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Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Grinding Existing Frame Rail Seam
    GM907517Courtesy of GENERAL MOTORS CORP.
  1. Grind the existing frame rail seam to taper seam at a 45 degree angle.
  2. Prepare all of the attaching surfaces as necessary.
  3. Apply the weld-thru primer to all of the welded surfaces.
    4. Fig 2: Positioning Service Frame Section To Existing Frame
    GM1334941Courtesy of GENERAL MOTORS CORP.
  4. Position the service frame section to the existing frame and clamp in place.
    5. Fig 3: Welding Upper & Lower Horizontal Joints
    GM1334946Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Verify the frame measurements 3-dimensionally to ensure proper position of the service frame.
  5. Continuous-weld the upper and lower horizontal joints from corner to corner.
    6. Fig 4: Welding Inner & Outer Vertical Joints
    GM1334947Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Verify the frame measurements 3-dimensionally to ensure proper position of the service frame.
  6. Continuous-weld the inner and outer vertical joints from corner to corner.
    7. Fig 5: View Of Front Frame Rail Section
    GM1334889Courtesy of GENERAL MOTORS CORP.
  7. Clean and prepare all of the welded surfaces.
  8. Install all of the related panels and components.
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