joshdmcmaster
New Member
- Joined
- April 11, 2011
- Messages
- 4
- Reaction score
- 0
- City, State
- brownsville,pa
- Year, Model & Trim Level
- 99 98 96 93 94
hi. for starters I have a 98 explorer 4.0l ohv and automatic. a few weeks ago we had an ice storm and I was drivin home from work and the auto 4x4 kicked in but when It did it slammed in really hard and never disconnected. so last night I pulled it in the garage and put it up on jackstands. the front and rear outputs were locked together. so I pulled the tcase out to swap it out and that's where the trouble began. I looked at the tag on it and it is a yl24-aa or 4405-15. I went out in the shed where I keep all my spare parts and one tcase was really greasy and all I could see was the aa on the tag. I put it in and when I went to pull out of the garge the transmission had shifted 3 time and was in overdrive before I got out of the garage. so I thought maybe it was stuck in low range so I stopped and put it in low and took it back out. pulled out again and it started shifting like crazy then the od light started flashing. I pulled it back in and cleaned the tag and here its a xl24-aa or 4405-11. so I swapped the old one back in and it shifts fine its just stuck in 4x4. I have 8 spare tcases and not one is a yl24aa. the xl24 an yl24 look identical on the outside. a few of the others I have you can see why there different ie driveshafts or tail shaft speed sensor. what are the differences in these cases or how can you determine what options or reason there can be multiple cases for the same vehicle and why when I call the junkyard they tell me the yl24aa case is for a 00 and 01 explorer and not for a 98. any help would be greatly appreciated. thanks josh
