Sierra 1500 4WD V8-5.3L VIN B HO (2006)
6. If equipped with a 6.0L or 8.1L engine and a 4L80-E automatic transmission, install the exhaust pipe hanger bracket bolts.
Tighten the bolts to 12 Nm (106 inch lbs.).
7. If equipped with a 6.0L engine and a 4L80-E automatic transmission, install the exhaust pipe hanger bracket bolts.
Tighten the bolts to 12 Nm (106 inch lbs.).
8. If equipped with a 4L60-E automatic transmission, install the exhaust pipe hanger bracket bolts.
Tighten the bolts to 17 Nm (13 ft. lbs.).
9. Install the catalytic converter.
10. Install the exhaust manifold pipe.
