Envoy 2WD V8-5.3L VIN M (2005)
Exhaust Manifold: Specifications
Exhaust Manifold - Left & Right
First Pass ............................................................................................................................................................................................... 15 Nm (11 ft. lbs.)
Tighten the bolts beginning with the center 2 bolts.
Alternate from side-to-side, and work toward the outside bolts.
Final Pass .............................................................................................................................................................................................. 25 Nm (18 ft. lbs.)
Tighten the bolts beginning with the center 2 bolts.
Alternate from side-to-side, and work toward the outside bolts.