Bravada 4WD V8-5.3L VIN P (2004)
Important: The alignment of the structural oil pan is critical. The rear bolt hole locations of the oil pan provide mounting points for the transmission
bellhousing. To ensure the rigidity of the powertrain and correct transmission alignment, it is important that the rear of the block and the
rear of the oil pan must NEVER protrude beyond the engine block and transmission bellhousing plane.
If replacing the oil pan gasket it is not necessary to rivet the NEW gasket to the oil pan.
1. Apply a 5 mm (0.20 inch) bead of sealant GM P/N 12378190, or equivalent 20 mm (0.80 inch) long to the engine block. Apply the sealant
directly onto the tabs of the front cover gasket that protrudes into the oil pan surface.
2. Apply a 5 mm (0.20 inch) bead of sealant GM P/N 12378190, or equivalent 20 mm (0.80 inch) long to the engine block. Apply the sealant
directly onto the tabs of the rear cover gasket that protrudes into the oil pan surface.
3. Pre-assemble the oil pan gasket and bolts to the pan.
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Install the gasket onto the pan.
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Install the oil pan bolts to the pan and through the gasket.
4. Install the oil pan, oil pan gasket, and bolts to the engine block as an assembly.
5. Hand thread the oil pan bolts into the engine block until snug. Do not tighten at this time.
