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SYMPTOM At cold start-up, the engine rattles loudly for about 2 seconds. PROBABLE CAUSE The VTC (variable timing control) actuator is faulty REPAIR PROCEDURE Replace the VTC actuator: • Refer to pages 6-30 and 6-31 of the 2008–2009 Accord Service Manual, or • Online, enter keywords VTC ACT, and select the appropriate engine’s VTC Actuator, Exhaust Camshaft Shaft Sprocket Replacement from the list. NOTE: Because a new VTC actuator comes in its unlocked position, you don’t need to do step 3 of the VTC actuator replacement procedure, unless the VTC actuator locks during handling. A VTC actuator must be installed in its unlocked position to avoid damaging its internal locking pin.