Exhaust Manifold

L81 TORQUE SPECIFICATIONS
Exhaust Manifold Nut 20 Nm (15 ft. lbs.)
Exhaust Manifold Pipe Bolts 20 Nm (15 ft. lbs.)
Exhaust Manifold Pipe Heat Shield Bolts 8 Nm (71 inch lbs.)
Exhaust Manifold Pipe-to-Exhaust Manifold Nuts 30 Nm (25 ft. lbs.)
Oxygen Sensors (Exhaust Manifold) 50 Nm (37 ft. lbs.)

Tightening Sequence

Front Exhaust Manifold
- Install exhaust manifold and new gasket
- Install lower exhaust manifold nuts.
Exhaust Manifold Nut: 20 Nm (15 ft. lbs.)

Rear Exhaust Manifold
- Install exhaust manifold and new gasket.
- Install exhaust manifold nuts.
Exhaust Manifold Nut: 20 Nm (15 ft. lbs.)