Originally Posted by mlarco52
What exactly is the slow speed clunk you are hearing? I hear a tad little clunk when I shift into gear from reverse to drive, but no noise what so ever driving at slow speeds of any kind. Just wondering what you are hearing.
The clunk occurs on uneven pavement at slow speeds. It can happen when you go over a speed bump but is accentuated if you hit the speed bump at an angle so each wheel hits it at a different time. I have a number of roads I travel where the pavement is bumpy and I hit them at an angle when turning. The worst is entering my driveway which has what we call a Miami curb.
Since I enter at a 45 degree angle it rocks the truck back and forth as you drive in. The sound is like something is loose, like the spare tire, and it's hitting the chassis. Imagine if the rear hatch was loose and it banged the hatch frame when you hit a bump, that's the sound.
There are now 2 fixes for the noise. The first TSB updated the shock valving to increase rebound damping, that helped a little. The second is to replace the rear top shock mounts with a new design that I assume isolates the shock better. From what I've read the shock is actually reaching the end of its rebound travel and causing a clunk. It's actually topping out, not bottoming out. The new shock mount isolates the shock so the noise isn't transferred to the chassis. Apparently they had the same issue with certain Durango's according to the service manager at my dealer.