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ENGINE COOLANT THERMOSTAT HOUSING CLEANING AND INSPECTION Fig. 50: View Of Thermostat Housing Inspection Areas 1. Clean the thermostat housing. 2. Clean the thermostat housing mating surfaces. 3. Inspect the thermostat housing for cracks. 4. Inspect the thermostat housing mating surfaces for damage. 5. Replace the thermostat housing if any damage is found. EXHAUST MANIFOLD CLEANING AND INSPECTION
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 51: View Of Exhaust Manifold Inspection Areas 1. Clean the exhaust manifold. 2. Clean the exhaust manifold mating surfaces. 3. Inspect the exhaust manifold for cracks. 4. Inspect the exhaust manifold mating surfaces for damage. 5. Replace the exhaust manifold if any damage is found.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 52: Measuring Exhaust Manifold Flange For Warpage 6. Measure the exhaust manifold flange for warpage with feeler gauge and a straightedge. Replace the exhaust manifold if the warpage is more than 0.3 mm (0.0118 in). 7. Install the exhaust manifold heat shield. 8. Install the exhaust manifold heat shield bolts. Tighten: Tighten the exhaust manifold heat shield bolts to 8 N.m (71 lb in). EXHAUST PIPE CLEANING AND INSPECTION NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 53: View Of Exhaust Pipe Inspection Areas 1. Clean the exhaust pipe. 2. Clean the exhaust pipe mating surfaces. 3. Inspect the exhaust pipe for dents or cracks. 4. Replace the exhaust pipe if any damage is found. EXHAUST OUTLET CLEANING AND INSPECTION
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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