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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1406 (Engine Mechanical - 6.6L (4 Of 5)) >> Repair Instructions - Off Vehicle (3 Of 4) >> Exhaust Outlet Cleaning and Inspection

Exhaust Outlet Cleaning and Inspection

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Exhaust Outlet Inspection Areas
    GM1336131Courtesy of GENERAL MOTORS CORP.
  1. Clean the exhaust outlet.
  2. Clean the exhaust outlet mating surfaces.
  3. Inspect the exhaust outlet for dents or cracks.
  4. Replace the exhaust outlet if any damage is found.