Sierra Classic 1500 4WD V8-5.3L (2007)
3. If equipped with a 6 1/2 ft box, install the exhaust heat shield.
4. Install the exhaust heat shield bolts.
Tighten the exhaust heat shield bolts to 9 Nm (80 inch lbs.).
5. Install the spare tire hoist.
6. Install the exhaust muffler.