Trans issue or????

[Dmax87]

Not sure if I have a transmission issue, transfer case issue or driveline. The issue I'm having is after driving to work, I go to back in my spot and when I apply the brakes in reverse it almost feels like I hit something. It makes me look everytime. I installed a ppe stage 5 kit along with a goerend converter along with a pump rub kit around 5000 miles ago. Shifts great in all gears and no complaints there. Any ideas? Not sure if the 2 are related but I also have a vibration, seems to be coming from the driveline, around 75-85 if I let off the throttle the slightest bit it almost feels like rumble strips. Not quite as harsh just a small vibration. Thanks for any help

 

[happyduramax]

have you checked your u-joints

 

[Dmax87]

I haven't disassembled them and checked but there is no movement in them from what I can tell. I was planning on trying some ujoints first though

 

[Mike L.]

I haven't disassembled them and checked but there is no movement in them from what I can tell. I was planning on trying some ujoints first though

Drive shaft must be removed to check ujoints. Just because there is no movement doesn't mean they are good. They get tight just before they get loose.
Remove drive shaft and work it side to side. If there is any feel of it being notchy; the needles are dry and getting flat.

 

[Dmax87]

10-4. Will remove and inspect. Thanks

 

[Dozerboy]

Yep mine where tight as could be. So tight or seized up if you will that I couldnt get one of the caps to twist using a 36" steel pipe wrench with the ujoint in a vise.