Tightening Torques & Sequences

Fastener Tightening Specifications (6.2L LS3)









Bolt Re-usability: The cylinder head bolts are torque to yield bolts and are single use only fasteners.





Automatic Transmission Flex Plate (6.2L)
Flex Plate to crankshaft bolts - First pass 20 Nm (15 lb ft)
Flex Plate to crankshaft bolts - Second pass 50 Nm (37 lb ft)
Flex Plate to crankshaft bolts - Final pass 100 Nm (74 lb ft)