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6A–12 ENGINE MECHANICAL (X22SE 2.2L) Troubleshooting Procedure The slapping sound stops when spark plug on bad Condition Possible cause Correction Timing belt noise Timing belt tension is incorrect Replace pusher or adjust the Tensioner bearing defective Replace Timing belt defective Replace Timing wheels defective Replace Timing belt comes in contact with Replace timing belt and timing cover Valve noise Valve and valve guide seized Replace valve and valve guide Valve spring broken Replace Valve seat off–positioned Correct Crankshaft noise Crankshaft end play excessive Replace thrust bearing Engine knocking Preignition due to use of spark plugs Install Spark Plugs of adequate heat Fuel too low in octane rating Replace fuel Wide Open Throttle enrichment Refer to Section 6E Selection of transmission gear Caution operator of incorrect gear Engine overheating Refer to “Engine Lacks Power" Others Water pump defective Replace Drive belt slipping Adjust tension of drive belt or |