Sierra Denali AWD V8-6.0L VIN N (2004)
6. Apply lubricant to the exhaust pipe hanger bracket, in order to aid in installation.
7. Slide the exhaust manifold pipe hanger into the exhaust pipe hanger bracket.
8. If equipped with a 6.0L or 8.1L engine, install a new exhaust manifold pipe seal to the exhaust manifold pipe.
9. Install the exhaust manifold pipe.
10. Apply lubricant to the exhaust pipe hanger bracket, in order to aid in installation.
11. Slide the exhaust manifold pipe hanger into the exhaust pipe hanger bracket.
12. If equipped with the 6.6L engine, install the exhaust muffler nuts until snug.
13. Important: Ensure that the manifold pipe is square to the exhaust pipe adapter.
If equipped with a 6.6L engine, slide the exhaust pipe clamp down and around the pipe connection.
Notice: Refer to Fastener Notice in Service Precautions.
14. Tighten the exhaust pipe clamp and muffler nuts.
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Tighten the clamp to 40 Nm (30 ft. lbs.).
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Tighten the nuts to 40 Nm (30 ft. lbs.).
