THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE ONE-TIME CLUNK OR THUNK NOISE WHEN ACCELERATING FROM A STOP IN DRIVE OR DURING A 1-2 SHIFT IN MANUAL MODE WHEN DRIVING AT SPEEDS OF APPROXIMATELY 2 TO 10 MPH. TECHNICIAN WILL CHECK FOR THE NOISE TO BE PRESENT DURING A MANUAL MODE SECOND GEAR LAUNCH WHILE ACCELERATING ABOVE APPROXIMATELY 2 TO 10 MPH. IF THE NOISE IS STILL PRESENT CONTINUE WITH SERVICE INFORMATION STRATEGY BASED DIAGNOSIS. IF THE NOISE CANNOT BE DUPLICATED DURING A MANUAL MODE SECOND GEAR LAUNCH, PLEASE COMMUNICATE TO THE CUSTOMER THAT THIS CONDITION IS A NORMAL OPERATING CHARACTERISTIC OF THEIR VEHICLE.