One problem related to noises during shifting has been reported for the 2002 Acura CL. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Acura CL based on all problems reported for the 2002 CL.
While driving the transmission light flashed on the dashboard then the driver heard a loud popping noise from beneath the vehicle. The transmission down shifted on it's own. The driver took the vehicle to the dealer for analysis. The technician determined that the pinion shaft needed to be replaced.