93 Bounder won't move when tranny is in drive position

[ybarrabells]

Hello. 1993 fleetwood bounder 34' motorhome, 44,000 miles, with a ford 460, and a 4L80E tranny. Driving on freeway slipped once, rpm's raised, thought it had downshifted climbing a hill, immediately released the throttle and reaccelerated and it ran fine for approx 100 miles. Exited freeway to fuel, came to a stop light, when it turned green I stepped on the gas and there was no forward movement, just raised RPM's. Went from"D" to "2" and limped it to the gas station. Fluid is normal in appearance and smell. Reverse, Neutral, 2nd and 1st work. Just not "D". What are your thoughts?

[amxpress]

Does it move if you place the shifter into Low? Or Reverse?

[Gjac]

Has the fluid and filter ever been changed since 1993? When I changed mine at 30k miles the magnet inside was loaded. In 24 years and that few miles you may have moisture build up inside. I would drop the pan and change fluid and filter before You expect the worst.

[ybarrabells]

Sorry. Wrong transmission. Don't know what transmission I have.

[wildmanbaker]

I believe he meant 4R70 or 4R80. Everyone makes mistakes. All Ford C-6 series should/will start in 2nd, if 2nd gear is selected. Its the programing.

[RLS7201]

If you do have a 460 engine then you have an E4OD transmission.
Those older Ford transmissions would take off in second when the shift lever was in "2". That would explain why you was able to limp to the gas station. Now you need to find the reason why 1st gear is not working properly. Your torque converter is probably OK. Else wise, you wouldn't have been able to move in 2nd gear.

Richard

[KD4UPL]

That's the first I've ever heard of a GM trans with a Ford motor. Very interesting. It sound like the torque converter to me. I lost 4th gear once in my '96 Dodge. I was trying to get home so I just used 1st thru 3rd. Eventually I lost 3rd, after a few more miles I lost 2nd. Eventually lost 1st about 1 mile from home. It wouldn't move forward at all. I put it in reverse and that still worked. I backed it home the last mile.
Transmission guy said if I had just let it set after loosing 4th it would have been a much less expensive repair instead of an entire rebuild. Live and learn.

[crasster]

Sounds like the torque converter (hopefully not). Not a good sign that it works in 2 but not in D. What does the fluid look/smell like? 44k is not impossible for a trans to go, fairly uncommon (except on dodges), but not impossible. There is also age on the trans.

[Stranger]

4L80E is a GM trans. Don't understand why it's hooked up to a FORD 460.
However, it sounds like the Torque Converter is shot. Seems like lock up went first then the rest. Not a trans expert but I have blown up a few expen$ive transmissions in my day.

[ybarrabells]

Hopefully I don't have to replace the transmission. Which would seem odd at 44,000 miles.

[okhmbldr]

Sounds like a shift solenoid. Easy to fix but you have to drop the pan.

[ybarrabells]

That actually is a lot of help. Thank you!!! That's kind of what we are thinking because a transmission shouldn't go out at 44,000 miles!!!

[doxiemom11]

Probably no help, but our Jeep did that and it was some type of sensor on the transmission.