Is there a procedure available for replacing the box mounting brackets?

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2012 Chevrolet Silverado 3500

Request

Is there a procedure available for replacing the box mounting brackets?

Response

GM bulletin “UI Bulletin #103” addresses replacing the mounting brackets. A copy of this bulletin can be found at: www.gmupfitter.com/files/media/photo/507/Upfitter_Bul_103c.pdf

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