Going into the dealer soon for tires and an alignment and I want them to look at something for me. Before I go in I wanted to consult the brain trust. I am experiencing a humming/groaning sound at 40MPH when cruising at 1500 RPM's. It's an '06 Supercharged with 52k miles. I cannot tell where the humming/groaning is coming from. If I had to pick a location I would say the sound is coming from underneath the front seats to somewhere under the rear seats. Sounds like a bearing is going bad. The drivetrain is tight and there is no clunking during shifts. Any ideas?
The sound is very apparent when cruising at 40mph with the engine speeds at 1500rpm. Someone, mentioned that the tires on these trucks tend to "cup" and will cause a lot of road noise when near the ends of their life. But I find it hard to believe it to be tires. I think I can differentiate between unbalanced "cup" tires and a mechanical failure. Honestly, it sounds like it is coming from the trans.
I hear it in every gear. At least, 1st - 4th. It really sounds like its coming from the trans. As soon as I back off the throttle the sound goes away. Step back on the throttle the sound returns. That's how I know its not the tires. Starting to get worried. I just bought this thing approx. 6 weeks ago.
The sound is very apparent when cruising at 40mph with the engine speeds at 1500rpm. Someone, mentioned that the tires on these trucks tend to "cup" and will cause a lot of road noise when near the ends of their life. But I find it hard to believe it to be tires. I think I can differentiate between unbalanced "cup" tires and a mechanical failure. Honestly, it sounds like it is coming from the trans.
I hear it in every gear. At least, 1st - 4th. It really sounds like its coming from the trans. As soon as I back off the throttle the sound goes away. Step back on the throttle the sound returns. That's how I know its not the tires. Starting to get worried. I just bought this thing approx. 6 weeks ago.