98 Ford Explorer gears whining while decelerating plus no reverse.

[etn22]

my explorer has been doing this for a while. when i decelerate it sounds like gears are whining i had the transmission and transfer case rebuilt and two weeks later its doing it again. it started off when i went over 40 mph and once i got below 40 mph it stopped now it does it as low as 20 mph and now it doesnt go into reverse can any one give me some advice on how to fix this

 

[Sams01XplrSprt]

welcome that sux bout ur x

 

[BrooklynBay]

Welcome to this forum! I've moved your thread into the transmissions & transfer cases section. It sounds like a transfer case issue. Go back to the rebuilding shop, and don't touch anything on the vehicle since it might void the warranty.

 

[gijoecam]

I doubt they rebuilt the transfer case. If they had, it wouldn't be doing what it's doing. Search for 'shift rail bore' or 'omega machine' and you'll find plenty of details. You are not alone.

 

[Rigger 19]

had the same problem around xmas and rebuilt the transfer case myself, because everyone mentioning the shift rail bore. that totally took care of my reverse problem, and the bore had way to much play.

http://www.youtube.com/watch?v=yvHraRkRiP0

but the deceleration still happens. my heavy duty mechanics teacher came for a ride with me to see what i was talking about, and his input was that it was something to do with a over running clutch(coast clutch) cause as soon as the gas is applied it goes away. as if pressure pushes the plates together causing it to be ok. i learned to drive with both feet (one on brake and one on gas) real well and now it never happens

http://truckexplorer.com/ford-explorer-part/explorer-hill-holder-91264.html

i hope that ramble helped out a bit and pointed you in the right direction