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Dodge Dakota, Truck
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#817 of 1029 1996 Dodge Dakota 3.9 Shift Problems
May 09, 2010 (9:01 am)
Hi - I have a 3.9L Dodge Dakota with what I believe is a 42RH transmission. I know I've read that the 96 had an electronic transmission, but (1) I don't see a control box where someone said it should be, (2) I have a TV cable, and (3) I only count maybe 4 wires going in the side. All that being said - I'm having weird shift problems. I just changed my fluid and filter per a number of posts and the first time out, it was flawless - I didn't feel a single shift (but it DID shift) and took it up to 60 on the interstate without a single problem. I drove it about 20 minutes later and it was back to not shifting into 3rd, or so I think - I'm going maybe 40, take my foot off of the gas and the truck lunges forward like when you downshift in a manual transmission. What's odd is that as I get down to maybe 9mph or so, the truck starts stuttering because it's now in some higher gear (like 3rd?) so I shift it to 2nd so I can stop at a light. When changing the fluid, it was absolutely horrible - gunky and dirty and some metal flakes on the magnet, but not outrageous. The fact that it shifted all the way through the first time out seems hopeful. There is a sensor(?) near the back of the overdrive unit and inside the transmission with the cover off I saw a couple of solenoids (maybe 2 or 3?).
So, what should I check next?
#818 of 1029 Re: 97 dakota 2nd to 3rd shift problem [dasboot72]
May 09, 2010 (10:05 am)
Hi, thank you. I went to a new mechanic and he gave me the same news, although he did use an additive which seems to have almost alleviated the problem. He said if it didn't work within the first 1oo miles, then I need an overhaul. He quoted $1200. Is that about right? I trust this guy, but still just checking. the truck is a "97 and has 54,000 miles on it. I know the additive is a temp fix. Can I get a used transmission for less? I plan on selling the truck in a year or so, and want it running properly before I sell it. Thank you!
#819 of 1029 Re: hard shifts from 1st to 2nd gear... and high rpm's [srs_49]
May 09, 2010 (11:25 pm)
I, too, have a 2005 Dak & exactly like yours, srs49, mine will do it when I first pull out in the morning and then shifts like a top for the rest of the day & it sometimes doesn't even do every day when I first pull out. The only time it ever repeated the problem in a single day was when I was pulling a heavy travel trailer. Did you guys ever have the tranny looked at? were u told this was just normal for this vehicle? I'm worried that I might damage the tranny (further?) if I tow the travel trailer and the problem is just a little more persistent.
#820 of 1029 Re: hard shifts from 1st to 2nd gear... and high rpm's [obtampa1]
May 10, 2010 (4:31 am)
I did have Certified Transmissions look at the transmission, on the rec of several where I work. I think they're pretty good, but were unable to diagnose the issue with certainty. They replaced a 'cheap' part for around $250, but that didn't resolve the problem. Next they gave a 50-50 chance of fixing it with the replacement of the 45RFE shift soleoid - about $600. I declined. I discovered if I start out in D2, and run it through 1st and 2nd before shifting into D, I never hit the rough shift. So I've been doing that, buying some time and hoping to come across a better plan than replacing $600 parts hoping to hit the right one! I avoid pulling heavy stuff like the boat as much as possible. The truck is a 2004 quad, and is approaching 140k miles.
#821 of 1029 1996 Dodge Dakota 3.9 Shift Problems (update)
May 10, 2010 (8:04 am)
Updated from #817 - Today I started in 2 instead of D and it shifted fine and then when I got around 35, I switched to D and it shifted into drive without issue. However, if I slow down to maybe 10 - it stays in 3rd so I put it back in 2. This seems to work for now. I might try re-changing the fluid/filter again next week just to see if driving it has flushed out more grime. I tried adjusting the TV cable, but it didn't seem to make a difference. I guess I've always wondered what it was like to drive a manual shift with the shifter on the steering wheel, so now I kind of know.
#822 of 1029 Re: 5th update: dakota trans problem [dasboot72]
May 14, 2010 (5:13 pm)
Final update: my trans (46re/2001 dak/5.9) is running great! There must have been some residue in the trans that had to flush out over time. I have noticed that the TC lockup tends to work better in warm weather, but in any case it is 1000% better. Thanks to all and esp. Dasboot72 for all the help.
#823 of 1029 Re: hard shifts from 1st to 2nd gear... and high rpm's [obtampa1]
May 15, 2010 (4:58 pm)
No, the tranny has never been touched or looked at. Like I said, it only does it on occasion.
#824 of 1029 Re: Transmission interlock shutter
May 20, 2010 (3:28 pm)
After balancing the tires, I now can tell it is definitely a transmission problem. Took it back to dealer and now they are saying its the torque converter. Can it be just the torque converter or transmission also. I'm getting mixed advice, some say transmission is making torque converter go out and others are saying the problem is only the torque converter.
#826 of 1029 Re: Transmission interlock shutter , misfire??[cactus93]
May 29, 2010 (8:14 pm)
Hi, I need your advice on this please.
I Have a 2000 Dakota Quad Cab, 4.7L 4X4.
In my earlier post the advice I was given by the dealer and one transmission shop was that my torque converter was slipping during interlock. The problem was more noticeable after my tires got balanced. When truck in neutral or at any speed smooth, no tire balance problems. Now in an attempt to get a third opinion, one shop advised that I have a clogged fuel injector. They claimed computer showed, pass side bank was running a little rich. He concluded the torque converter was not bad after getting the truck to breakdown or sputter without the interlock engaged at any speed as long as motor rpms were below 2500. Now I can feel it too. He advised STP fuel injector cleaner at a high concentrate and blow it out on the freeway. After doing just that with no change in sputter (actually after a few passes on the freeway with a very heavy foot it sputtered worse). After that he felt a clogged injector or failing injector was the problem. I bought two injectors and he put them in, no change, he moved them and still no change.
**Please note that during all this I have no engine code.
He also replaced the TPS, no fix. Another mechanic felt that one of the coils might be breaking down. I bought one and put it in and test drove it in all 8 positions, no fix.
To date, the symptoms and attempted fixes have been as follows:
First felt vibration at 45 mph
Started feeling it more, went to dealer.
Drove a week and began to feel more noticeably.
After fuel injector cleaner, no fix, maybe worse.
The problem feels like a very week spark or misfire below 2500 rpms, also slight sputter or hesitation during hard acceleration.
Transmission fluids slightly dirty, had them change it.
Old worn plugs, changed myself with exact replacements and proper gap settings (0.40).
Tires out of balance, Balanced them.
Flash Updates for ECM and TCM, updated them.
Went home $450 lighter, still not fixed.
Torque Converter slipping during interlock. Both stated by dealer and first tranny shop.
or possible bad TCM (no codes)
Got engine to "misfire or sputter" without interlock engaged, not torque converter.
Clogged injector, ran truck hard with double dose of STP, no fix.
Bought 2 injectors and moved them around, no fix.
Possible bad or faulty coil, bought one and played ring around the motor, no fix.
Currently I'm out over $600 and fells worst than when I started.
No OBD codes.
Thanks for your help,