Silverado 1500 4WD V8-5.3L VIN B (2005)
Flex Plate: Specifications
4L60-E/4L65-E
Flywheel to Torque Converter Bolt ......................................................................................................................................................... 63 Nm (46 ft. lbs.)
Flexplate.
Install the flexplate bolts. 5.3L
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Tighten the bolts to ................................................................................................................................................................. 100 Nm (74 ft. lbs.)