TechnicianVision · Knowledge base
OEM Linking Pin: 2018 Buick Regal MIG Brazing
I-CAR · February 27, 2019 · Buick, Chevrolet, GMC, Cadillac
Summary
This article clarifies that General Motors requires MIG brazing to replace the factory laser-brazed roof seams on the 2018 Buick Regal, and explicitly states that adhesive bonding is not an approved alternative. The repair procedures differ between the hatchback and wagon models, with the hatchback requiring MIG brazing along the entire length of the roof, while the wagon utilizes a combination of spot welds and MIG brazing.
What to do on the job
Perform MIG brazing to replace the factory laser-brazed roof seams on the 2018 Buick Regal according to the specific body style procedure (hatchback vs. wagon), and do not substitute adhesive bonding for the brazed seams.
How to use it
Use this document to justify the necessary labor, equipment, and materials for MIG brazing when replacing a roof panel on a 2018 Buick Regal. It serves as official OEM clarification to counter insurer requests to use adhesive bonding instead of MIG brazing, and highlights the distinct procedural differences (and corresponding labor times) between the hatchback and wagon variants.
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