Flywheel/Flex Plate Torque

Fig 1: Flywheel Bolt Tightening Sequence

GM63174

Courtesy of GENERAL MOTORS CORP.

Tighten the engine flywheel bolts a first pass in sequence to 20 N.m (15 lb ft).
Tighten the engine flywheel bolts a second pass in sequence to 50 N.m (37 lb ft).
Tighten the engine flywheel bolts a final pass in sequence to 100 N.m (74 lb ft).