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Coolant in Combustion Chamber COOLANT IN ENGINE OIL Coolant in Engine Oil Cause Correction DEFINITION: Excessive white smoke and/or coolant type odor coming from the exhaust A slower than normal cranking speed may indicate coolant entering the combustion Remove the spark plugs and inspect for spark plugs saturated by coolant or coolant in Inspect by performing a Cylinder Leakage Test. During this test, excessive air Inspect by performing a cylinder compression test. Two cylinders "side-by-side" on Faulty cylinder head gasket Replace the head gasket and components as Warped cylinder head Replace the cylinder head and gasket. Refer Cracked cylinder head Replace the cylinder head and gasket. Cracked cylinder sleeve or engine block Replace the components as required. Cylinder head or engine block porosity Replace the components as required. Cause Correction DEFINITION: Foamy or discolored oil or an engine oil "overfill" condition may indicate Inspect the oil for excessive foaming or an overfill condition. Oil diluted by coolant
2007 Hummer H3 2007 ENGINE Engine Mechanical - 3.7L - H3
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