NEED HELP, Reverse only???

[455 Jet]

My wife was driving home tonight and the engine just started winding up as the forward gears on the tranny gave out. It works great in reverse, which is how it was driven home. The O/D switch hasn't worked in months, but now its blinking O/D OFF on the dash. This problem was beginning to be noticed when you would put it into reverse, back up and put it into forward and there would be a 2 second lapse before it would go into forward gear. By then the engine is about 2000rpm and the tranny jumps into gear. Does anyone know what I can expect or what the problem might be? Is this going to be an easy fix?

 

[Alec]

If all it does in the forward gears is rev then your tranny is toast, sorry.

 

[455 Jet]

It does have a little grab in the higher revs. I was hoping it would be just an adjustment.

 

[Alec]

When my tranny blew I was able to limp to my mechanic going 45 mph at 4000 rpms on the highway. If that's the only way you can get around then it's is on it's very last legs and you want to get it to a shop ASAP. I recommend Cottman Transmissions if there's one in your area.

Good luck!

 

[Opera House]

Most likely

The forward clutch seals are leaking. Test it in manual 1 and 2 and see if it does the same thing. The forward clutch engages once you put it in any of the forward gears and only disengages when neutral or reverse is then selected. Fluid should look pretty burnt by now. Other causes may be low pressure caused by a valve body leak or very low fluid. Any time a filter is replaced the valve body bolts have been tightened. I have found them loose and the later 5R55E has had a lot of gasket blow outs in part because of this. Short of finding a valve body problem, it will have to come out.