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1. Clean the exhaust manifold (600) and heat shield (603) in solvent. 2. Dry the exhaust manifold with compressed air. 3. Inspect the exhaust manifold-to-cylinder head gasket surface for excessive scratches or gouging. 4. Inspect for a loose, damaged, or cracked heat shield (603). 5. Inspect the studs (605) for damaged threads. Fig. 131: Measuring Exhaust Manifold To Cylinder Head Surface For Warpage 6. Use a straight edge and a feeler gage and measure the exhaust manifold cylinder head deck for warpage. CAUTION: Refer to Safety Glasses Caution .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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