C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
IMPORTANT: Install the exhaust manifold gasket with the stamped 7.4 facing away from the cylinder head.
1. Install the exhaust manifold gasket to the cylinder head.
2. Install the exhaust manifold to the cylinder head.
3. Install the exhaust manifold retaining bolts
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Tighten the bolts to 30 Nm (22 ft. lbs.).
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Tighten the center bolt to 54 Nm (40 ft. lbs.).
NOTICE: Refer to Fastener Notice in Service Precautions.
