3beca

I have a 2009 Tribeca that had issues with flares between shifting. The dealer reset the computer a couple times that did not help, then they replaced the torque converter that did not help, then they replaced the computer control that did not help. After all that they decided to replace the transmission with a factory refurbished transmission. This helped the shifting but now I get an annoying whinning noise (kind of like noisy tires) that starts at about 25 mph and up. The faster you go the higher pitched the noise gets. The noise is loud enough to hear over the fan on high and over the radio. It is the loudest between 30 and 45 mph. It makes the noise when you are at a steady speed and when you are slightly accelorating, it goes away when you leave off the throttle. It doesent matter what gear the automatic transmission is in, it has to do with the speed. It also makes a gear noise when you are coming to a stop. I have taken it to the dealer several times and there service manager tells me he doesnt hear anything that is not normal. I have taken it to a local transmission shop and they have told me it is not normal. These noises started once I got the new transmission. Has anyone else come across anything like this? Is it normal?