I have a 98 w/ the 5.9, auto tranny. I havent had any issues with the current rebuilt/upgraded tranny till yesterday morning. I take off down the street and it holds first gear till i let off. Same thing all the way to work after it warms up, it will hold first gear till i let off; only then will it shift to second. If its in second goin under 20~25mph and i give it a little too much throttle it will grab first again. Tranny fluid is good and im not leaking. Suggestions, questions and comments please!

I would check the tv cable. The end to check is right up on the the throttle body. You can see it move when you move the gas peddle. If when the tranny shop or you, put the tranny back in, and the adjustment is off, it would cause what your experiencing. You carefully slide the clip off, and if you slide the cable in..it reduces pressure, and should shift sooner, and smoother. Exactly opposite for pulling it out. BE CAREFULL, because too much, or too little, and you'll be looking for another tranny again. If you go over to www.dodgetalk.com they are very helpfull, and if you search for tv, there is all sorts of info on it.

TV is exactly what I was going to say too.

If the tranny was working fine for a while, I doubt the TV cable is out of adjustment, unless it has broken or gotten stuck.

My bet is that the pressure sensor that is in the valve body has failed or is failing. It could also be the governor solenoid sticking. Both are in the valve body on an RE tranny.

When the governor pressure sensor fails, it usually will make the trans start off in 2nd gear, not lock in 1st, but there is always the exception... but replacing the pressure sensor, and the transducer are always a good idea on those trans...they seem to go bad every couple days:D

Thanks for the suggestions. Like I said it just started doing it all the sudden, I have had this tranny in it for like 70K miles now, no issues. Im thinking its something valve body related as well, Im just not looking forward to a tranny shop visit. If I can take care of it myself, I will but I would still like to know what Im in for regardless.

The sensor and transducer are easy to change yourself, just drop the pan, and take out a couple bolts;)

you forgot the part about being stupid expensive. they were the first thing I tried when my trans died since a fault code was set (gov pressure overvoltage IIRC), but it made no change. Like $200 down the drain. The trans was contaminated with metal shavings so I'm not sure I'd want to reuse them. I don't know how much crap they could trap or if they could be damaged.

If not, I have two good of each. one set with about 50 miles on them....

When the governor pressure sensor fails, it usually will make the trans start off in 2nd gear, not lock in 1st, but there is always the exception... but replacing the pressure sensor, and the transducer are always a good idea on those trans...they seem to go bad every couple days:D

I've heard of them failing both ways, but if you're working at a dealership on these things all the time you probably have seen a lot more of them than I have. :p

Well, im going to try to get the parts tonight replace the sensor and solenoid along with a new filter. I'll post up how it turns out.

Try the TV cable first, that is the exact reaction my trans had when the TV cable got pulled out of adjustment.

Will definently check that first, thanks

So funny story; I go to swap out some electrical components in the valvebody. Im dropping the tranny pan in my garage while layin on my back, I get all but a few bolts out so I can drain some fluid in a controlled manner. Then I start letting the pan down slowly and all the sudden, one stray piece of silicone acts as a bungee cord on the side of the pan I can't see and launches 3+ quarts of fluid in my face and all over the floor. I closed my eyes just in time. Now I know how pornstars must feel. End of the story, I had pushed the pan aside and swapped the parts, went to bolt it back up and while draining the rest of fluid from the pan; pieces of something awful. So Im screwed. Anyone know what it takes to bolt a 727 to a magnum 5.9?

Pics of said pieces?

Chrysler trannys will create metal shavings with normal use and it isn't a big deal. If something has actually broke and there are big chunks of stuff in there that may be another issue.

Personally, I would try dropping the valve body and cleaning it first. That would be free at this point since you have to put fluid back in it anyway.

A small block a727 would pretty much bolt up to the block with no issues and work, but you will need to cut a notch in the bellhousing for the crank position sensor. The bigger issue that I could see would be with the electronics since you would be getting rid of the sensors in the tranny because the a727 is completely hydraulically controlled. I'm not sure what the engine controller would do since it also controls the tranny. One possible option would be to try a manual tranny ECU.

With all that said, I would have to ask why? The 46re is the exact same as an a727 with the exception of the OD unit being hung on the back of the tranny. Clutches, planets, even clutch count is the same or better than the a727 is/was. IMHO, you would be just as well off (or better) with rebuilding what you have if it is really necessary.

I'd really like to see some pics of what you found though. If all the gears are working like they should but the shift points are wrong, then I would say it is either a valve body issue or computer control issue and not terminal.

I agree with what Mondster said.

If you must go with a 727, use a Computer from a Man trans ram from the same year and engine as your truck. This would be a big step backwards IMHO. The 727 is a tank for sure, but the we have become spoiled with OD transmissions.

Don't give up on the 46Re. It can be a vert stout unit if built right. I onle trust a few people with that. The Goerend Sp? bros and The Kondolays (DTT), and myself. I've been rebuilding my own Torqueflite and Loadflite trannys since 1987 (Damn I'm getting old) If you can build one to stand up behind a Bombed Cummins, they swill stand up behind anything.

There is actually pieces, not shavings. On top of that, this tranny has crapped out three times now ( with all the supposed upgrades). Im only running 33's and I drive like an old woman cuz the gas mileage sucks. Basically, I have given up on the truck as a reliable daily driver but I still love it. So it will become off road only, with lots of my ideas being applied to it( that I never wanted to do for fear of it taking too long). Reason I think 727 is strictly price/ lack of electronics, less shit to break. I am totally in the figuring this out stage though, so any ideas and suggestions would be appreciated. I also thought the internal vs. external balance of the magnum5.9 kept you from just bolting up a 727?

Maybe you should try a different transmission shop.

Maybe you should try a different transmission shop.

x2 or build it yourself.

I've visited enough tranny shops to buy tranny parts for my own rebuilds when I'm in a pinch to know how the majority of them work (it's also fun to go in and ask for parts because of the weird looks you get). Most tranny shops are not interested in doing anything more than a stock rebuild with the easy and cheap reliability updates included. They make their money by keeping the volume high and don't want to have to spend any time trying to figure out how to get aftermarket parts to work correctly and the like.

If the stock clutch count (4 forward and 4 direct) works in a 47rh/re behind a cummins, it will certainly work behind an average small block. The only thing I would really suggest doing other than a stock rebuild would be to put a transgo valve body kit or a reworked valve body in it and you should be fine. There are lots of OD torqueflites living behind modded cummins motors with minimal upgrades so there is no reason that a tranny can't live behind a small block v8.

I still would like to see pics of what you have found.

I hear what your sayin, but I have had freak problems with this tranny. It didn't slowly start slippin on me, one time I had like two minutes of it acting strange before "BANG" and fluid everywhere. The torque converter split itself in half which caused other internals to not be happy. I guess im to the point where even if I stick with a 46re, it won't be this one! I will try to get some pics of the pieces by the end of the week. Oh, the last rebuild was an aftermarket upgraded torque converter, aftermarket better clutches, and a trans go shift kit. I guess i can reuse some of the good parts out of it, at least the T.C.

Well, reusing TCs is one of the biggest reasons for premature failures of rebuilt trannys. If the converter is bad and/or filled up with a bunch of crap from the previous failure you will send all that crap right through a brand new tranny. Transmission coolers and lines that didn't get flushed well enough and/or replaced are also another big cause of problems.

A new TC isn't really that expensive unless you have a custom, extremely heavy duty unit that was built for you. I'd just replace it.