Silverado Classic 3500 2WD V8-6.0L (2007)
8. Install the insulators to the frame hangers.
9. Important: Apply lubricant to the insulators to aid in installation.
If equipped with a 6.0L or 8.1L engine, install the insulators to the muffler hangers.
10. Install a new exhaust manifold pipe gasket.
11. With the aid of an assistant, slide the muffler forward in order to install the muffler to the catalytic converter.
12. Install the insulators to the frame hangers.
13. If equipped with a 6.6L engine, tighten the catalytic converter coupling nuts until snug.
14. Once snug, tighten the catalytic converter coupling nuts (1) to specifications.
Tighten the nuts to 45 Nm (33 ft. lbs.).
15. If equipped with a 6.0L or 8.1L engine, position the NEW band clamp on the intermediate exhaust pipe, using the alignment mark created
previously. The band clamp bolt must NOT be positioned below the exhaust pipe.
16. Install the exhaust muffler nuts.
