TrailBlazer 4WD L6-4.2L (2007)
Exhaust Manifold: Specifications
Exhaust Manifold.
With threadlock GM P/N 12345493 (Canadian P/N 10953488) on the manifold bolts, install the bolts onto the manifold.
Exhaust Manifold Bolts (4.2L)
First Pass ................................................................................................................................................................................................. 25 N.m (18 lb ft)
Second Pass ............................................................................................................................................................................................. 25 N.m (18 lb ft)
Final Pass ................................................................................................................................................................................................ 25 N.m (18 lb ft)
Exhaust Manifold Heat Shield Nut ............................................................................................................................................................. 10 N.m (89 lb in)
Exhaust Manifold Heat Shield Stud ............................................................................................................................................................ 10 N.m (89 lb in)
Exhaust Pipe Bolt ........................................................................................................................................................................................ 50 N.m (37 lb ft)