Suburban 1/2 Ton 2WD V8-5.3L VIN T (2004)
2. Apply a 5 mm (0.20 inch) bead of sealant GM P/N 12378190, or equivalent 20 mm (0.8 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.
Important: Be sure to align the oil gallery passages in the oil pan and engine block properly with the oil pan gasket.
3. Pre-assemble the oil pan gasket 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, gasket and bolts to the engine block.
5. Tighten the oil pan bolts until snug. Do not overtighten.
6. Install the transmission converter cover bolts until snug, if equipped with the 4L80-E automatic transmission.
