DZL JIM
Member
2004 E-350 with 6.0, it's our shop truck.
We recently changed fluid in the trans since we have put about 8k miles on it since we got it and never got to change it till now.
The fluid that came out was rather clean, we felt we were wasting our time but felt good getting it done anyway.
Fired the van and went for a drive and it has massive shift flair going to 3rd gear. Would eventually slip a lot, OD light flashed and we limped home. Reloaded tunes, tried different tunes, all resulted in the same behavior.
Found online the direct solenoid was probably not happy with performance upgrades (van dynoed at 560 hp, done some time ago with no trans issues at all) so we installed one today.
The fluid that came out was nearly black and very thick. Lots of clutch material, both filters plugged. This is 100 times worse than when we changed fluid the first time and has literally 15 miles on it. Cleaned everything out and put the new solenoid in. Put in new filters, filled with fluid, ran through gears like normal and went to test drive.
Now it will only go in reverse.
Put in drive and is sits there like you have your foot on the brakes. Pop into reverse and it moves perfectly fine. All forward gears does the same, won't move, just sits and revs against the converter.
Anybody have any idea what the hell is going on with this trans?
It was 100% perfectly fine till we changed the fluid a few weeks ago.
Thanks for any help.
We recently changed fluid in the trans since we have put about 8k miles on it since we got it and never got to change it till now.
The fluid that came out was rather clean, we felt we were wasting our time but felt good getting it done anyway.
Fired the van and went for a drive and it has massive shift flair going to 3rd gear. Would eventually slip a lot, OD light flashed and we limped home. Reloaded tunes, tried different tunes, all resulted in the same behavior.
Found online the direct solenoid was probably not happy with performance upgrades (van dynoed at 560 hp, done some time ago with no trans issues at all) so we installed one today.
The fluid that came out was nearly black and very thick. Lots of clutch material, both filters plugged. This is 100 times worse than when we changed fluid the first time and has literally 15 miles on it. Cleaned everything out and put the new solenoid in. Put in new filters, filled with fluid, ran through gears like normal and went to test drive.
Now it will only go in reverse.
Put in drive and is sits there like you have your foot on the brakes. Pop into reverse and it moves perfectly fine. All forward gears does the same, won't move, just sits and revs against the converter.
Anybody have any idea what the hell is going on with this trans?
It was 100% perfectly fine till we changed the fluid a few weeks ago.
Thanks for any help.
