GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Engine Flywheel Housing Removal

Tools Required

J 37228 Seal Cutter


    Object Number: 1334852 Size: SH
  1. Remove the turbocharger oil return pipe nuts from the top of the flywheel housing.
  2. Remove the turbocharger oil return pipe studs.

    3. Object Number: 1413474 Size: SH

    Important: The upper oil pan must be removed before removing the flywheel housing.

  3. Remove the flywheel housing bolts.
  4. Separate the flywheel housing from the cylinder block using J 37228 .
  5. Remove the flywheel housing.

    6. Object Number: 1334855 Size: SH
  6. Remove the turbocharger oil return pipe gasket from the flywheel housing.
  7. Remove the oil cooler adapter bolts.
  8. Remove the oil cooler adapter with gaskets.