Sierra 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
6. Remove the flywheel housing bolts, denoted by the black circles.
7. Separate the flywheel from the cylinder block using J 37228.
8. Remove the flywheel housing.
9. Remove the turbocharger oil return pipe gasket from the flywheel housing.
10. Remove the oil cooler adapter bolts.
11. Remove the oil cooler adapter and gaskets.
12. If required, clean and inspect the flywheel housing.
Installation Procedure
