Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
3. Position the crankshaft rear oil seal onto the crankshaft.
Important: J 44642 must be fully secured to the crankshaft to ensure proper seal depth.
4. Install J 44642 to the crankshaft.
5. Press the crankshaft rear oil seal into position using J 44642, the tool will bottom out when the seal reaches the proper depth.
6. Remove J 44642.
7. Install the flywheel.
