K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
Installation Procedure
1. Install the 2 O-rings in the engine flywheel housing.
2. Apply a 2 mm (1/8 inch) wide bead of sealant (3) GM P/N 12378521 or equivalent to the engine rear cover sealing surfaces.
3. Install a new gasket to the oil filter adapter for the coolant duct
4. Install the coolant duct to the flywheel housing gasket on the coolant duct.
5. Install the coolant duct to the flywheel housing.
6. Loosely install the coolant duct to the flywheel housing nuts.
7. Install the engine flywheel housing to the engine block.
