Silverado 3500 4WD V8-6.0L VIN U (2004)
2. Install the intake manifold.
3. Apply a 5 mm (0.20 inch) band of threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent to the threads of the intake manifold
bolts.
4. Notice:
Refer to Fastener Notice in Service Precautions.
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Tighten the intake manifold bolts.
1. Tighten the bolts a first pass in sequence to 5 Nm (44 inch lbs.).
2. Tighten the bolts a final pass in sequence to 10 Nm (89 inch lbs.).