RepairPal Certified shops can diagnose and repair your 2007 Chevrolet Suburban 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Is this a 4x4? It is located under truck near the tail end of fuel tank it's a can approximately 2"thick x 4.5"wide and 6.5"tall black in color hope this helps