TechnicianVision · Knowledge base
Sectioning And Partial Part Replacement: 2017 Chevrolet Tahoe/Suburban
I-CAR · May 18, 2018 · Chevrolet
Summary
This article outlines the approved sectioning and partial part replacement procedures for the 2017 Chevrolet Tahoe and Suburban. It highlights that front lower rail sectioning requires replacing both left and right rails along with the crossmember, while the rear rails must be replaced in full, and outer uniside sectioning requires a 25 mm lap joint overlap.
What to do on the job
Perform full part replacement for rear rails, and ensure both left and right rails plus the crossmember are replaced if sectioning the front lower rail.
How to use it
Use this document to justify the replacement of both front rails and the crossmember when front rail sectioning is required, and to defend the complete replacement of rear rails since GM explicitly prohibits rear rail sectioning on these models.
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