TechnicianVision · Knowledge base
Repairer Driven News: Toyota Warns Against Painting Flanges Before Attaching Auto Glass
I-CAR · December 27, 2018 · Toyota, Lexus, Scion
Summary
Toyota warns collision repairers against painting pinch weld flanges before installing auto glass, as the factory e-coat provides the optimal bonding surface and corrosion protection. The OEM paint finish is too complex to replicate, and technicians should preserve as much of the original e-coat as possible, using only Toyota-recommended epoxy primer if a full replacement is necessary.
What to do on the job
Do not paint pinch weld flanges prior to glass installation; preserve the original factory e-coat and use only Toyota-approved epoxy primer if the flange must be refinished.
How to use it
Use this document to justify why a pinch weld flange should not be painted during refinishing operations prior to glass installation. It serves as official OEM backing to resist insurer pressure to paint the entire aperture, and supports the necessity of using specific Toyota-approved epoxy primers if the e-coat is compromised.
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