Well this is my 2001 4x4...first some background...i have taken out the front shaft and noise is still there. i have a clunking/creeking noise and i cant find it..it sounds like its coming from the tranny x-member area but i see nothing there. heres a scenario when i hold the brake and put shifter into reverse and let off the brake enough to move about a inch it makes this mysterious nosie and you can feel it lighly in the floor same if i put it in drive and let off a little it makes the noise...i took the rear shaft off the t-case and let it goto 80mph and makes no noise (properly supported by jackstands on frame all 4 corners)

 

slip yolk on rear axel? i know mine pings when i go from reverse to drive.

 

its brand new like 7k miles old it sounds like it coming fron the front end somewhere

 

anyone?

 

Rear shaft u-joints, or your brakes are creaking.

 

it isnt brakes because it will do it while iam driving without the brakes

 

U-joints often begin to "creak" before they begin to click and can be doing both at the same time.

 

i took off the driveshaft and moved the u-koints side to side and up and down and its not loose...the rear u-joint is brand new and is greasible