New information.I dropped both ends of the driveshafts. the end by the rear differential and the one by the transfer case. I now believe the noise is coming from the transfer case. I am having a little difficulty scaring up much useful info and or exploded drawings on this.Any help would be...

Oh thanks Dirky. I only knew about the carrier between the driveshafts.

I just watched a video of a differential disassemblyhttp://www.youtube.com/watch?v=l7xin5Uyjd0it is for a ford Ranger (couldn't find one for my truck)very good video. I definitely don't want to take my rear end apart, but may have to do it.I wonder, given that I do have slop in the...

Blue Goose, I am not positive but the sound seems further back...

thanks blacksnapon. I don't get any change from left to right during turns. it is noticeable from about 5-40 mph, i think after that road noise drowns it out.

I don't think it is a wheel bearing. there is no play at the hubs and the sound seems to come from the rear differential. The noise is is speed related with no doubt. I saw some exploded technical drawings of rear ends from other years (can't find one for mine) and there seem to be some bearings...

Additional information. After I got home tonight the whole differential case was quite warm, especially up by the drive shaft.

Hi I am looking for some rear axle advice.I have a rotational noise that seems to be coming from my Rear end. I have had the truck up on a lift with the transmission in drive and used the screwdriver stethoscope method to narrow it down to the rear end. we then took off the differential cover...

Hi forum users, I have decided to extend the life of my 2001 F250 xlt crew cab for a few more years, which means I need to do some repairs. I have not worked on my vehicles in 20 years, but am happy to find this resource!smilieFordlogo