Silverado 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
1. If equipped with a 6.6L engine, install the catalytic converter.
2. Apply water based lubricant to the exhaust pipe hanger bracket, in order to aid in installation.
3. Slide the catalytic converter hanger into the exhaust pipe hanger bracket.
4. If equipped with the 6.6L engine, install the exhaust muffler nuts until snug.
5. 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.
6. 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.).