16156 Customer Satisfaction Program. Certain vehicles, equipped with a 6?Speed automatic transmission (RPO MNU), may have a condition in which one of the transmission mount strut bracket fasteners may not have been tightened to the proper torque value. If the fastener loosens or completely separates there will be a noticeable degradation in Noise/Vibration/Harshness (NVH) performance in the form of hard shifts and clunking noises under torque inputs.
