Clunk when downshifting pulling trailer
I noticed that twice this past week my 09 Ford did some type of clunk when it was in tow/haul mode and I was pulling a 20ft. trailer weighing in around 4K pounds. It only did it when I was barely ...
Forum Discussion
For a driveline clunk, the first thing to do is crawl under the rig and check for looseness in the u-joints!
