Silverado Classic SS V8-6.0L (2007)
5. Install the catalytic converter. Slide the catalytic converter hanger into the exhaust pipe hanger bracket.
6. Install the left exhaust manifold pipe nuts.
7. Tighten the right exhaust manifold pipe nuts.
Tighten the nuts to 50 Nm (39 ft. lbs.).
8. Using the transmission jack, raise the transmission slightly.
9. Connect the oxygen sensor electrical connectors (1, 2).
10. Connect the CPA retainers.
11. Install the exhaust pipe/catalytic converter to the vehicle.
12. Install the exhaust system hangers.
13. Depending on which side is being replaced, perform one of the following steps:
^
Install the exhaust muffler nuts.
Tighten the nuts to 40 Nm (30 ft. lbs.).
or
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Install a NEW exhaust pipe clamp.
Tighten the clamp to 44 Nm (33 ft. lbs.).
