hi there have a big prob, ,i have a jeep grand cherokee lerado 2.5 td 1997,,let me go back to the start,i noticed when i turned left or right in 4 wheel drive on take off it bineds and jumps also sounds like teeth jamming all this is loud , so i took front diff half shafts and checked all at front OK i too the tans case apart the large silector was worn so i re placedit for new all the rest looks good ,also tried it in the mud and that still dose it but not as bad ,i was thinking it could be thechain in the trans box ,can any one help thanks paul <img src="/forums/images/graemlins/confused.gif" alt="" />