Engine Flywheel Housing Removal

Tools Required 

J 37228  Seal Cutter. See Special Tools .

1. Remove the turbocharger oil return pipe nuts from the top of the flywheel housing.
   Fig 1: View Of Turbocharger Oil Return Pipe Nuts

   Courtesy of GENERAL MOTORS CORP.
2. Remove the turbocharger oil return pipe studs.
IMPORTANT: The upper oil pan must be removed before removing the flywheel housing.
Fig 2: View Of Flywheel Housing
Courtesy of GENERAL MOTORS CORP.
3. Remove the flywheel housing bolts.
4. Separate the flywheel housing from the cylinder block using J 37228  . See Special Tools .
5. Remove the flywheel housing.
6. Remove the turbocharger oil return pipe gasket from the flywheel housing.
7. Remove the oil cooler adapter bolts.
   Fig 3: View Of Oil Cooler Adapter

   Courtesy of GENERAL MOTORS CORP.
8. Remove the oil cooler adapter with gaskets.