GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 6.6L (LB7) 🢒 Exhaust Pipe Cleaning and Inspection

    Object Number: 813918 Size: SH
  1. Clean the exhaust pipe.
  2. Clean the exhaust pipe mating surfaces.
  3. Inspect the exhaust pipe for dents or cracks.
  4. Replace the exhaust pipe if any damage is found.