Envoy 2WD V8-5.3L VIN M (2005)
Flex Plate: Specifications
Install the engine flywheel bolts.
Tighten the engine flywheel bolts
first pass in sequence to ................................................................................................................................................................ 20 Nm (15 ft. lbs.).
second pass in sequence to ........................................................................................................................................................... 50 Nm (37 ft. lbs.).
final pass in sequence to ............................................................................................................................................................. 100 Nm (74 ft. lbs.).