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Pickups Dodge Dakota Dodge Dakota Transmission Problems
694 messages, Last post on Dec 03, 2009 at 7:32 AM
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Replying to: cragan (Feb 11, 2009 4:07 pm) Rebuilding a 46RH or 46RE is not a big deal. If you properly maintain an automatic you shouldn't have problems with it, even at high mileage. Regards, Dusty |
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Replying to: joefre (Feb 12, 2009 11:18 am) Your hearing five events because there are five events in a normal shift sequence. Dodge truck transmissions of that vintage (either 42RH/RE or 46RH/RE) are four speed automatics. The fifth event you are hearing is the torque converter locking. At very light acceleration the torque converter should lock around 42 MPH. Unfortunately, I fear that your filter and fluid change came too late. While it appears to have fixed the shifting problem going forward, you might have a worn Direct Clutch, a bad Overdrive Thrust Bearing, or a broken Direct Clutch Spring. A loose Rear Band will cause slipping, but they generally don't make any weird noises. Can you describe what kind of debris you found in the pan when you changed the filter? How many miles on the vehicle? What engine? Regards, Dusty
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Replying to: dustyk (Feb 15, 2009 5:57 am) 1) It was over $800 added cost. 2) It *requires* frequent PM (Preventive Maintenance) such as fluid-changes and filter changes. 3) Significantly more complexatly and risk of failures. 4) Lower MPG. Before ordering my Dak, I also went down to the service-area and asked about the COST of the frequent automatic xmission PMs. It became obvious to me that ordering the automatic xmission was not cost-effective over the life of the vehicle. Instead, I opted for the manual xmission which was zero added cost the the purchase-price. Over 95Kmiles, I have changed the fluid ONE TIME... and that was solely to 'upgrade' to RedLine synthetic which made the xmission shift like butter and never need another lube-change again. BOTTOM LINE: Unless you have some kind of physical impediment which keeps you from using a clutch.... a manual xmission is a MUCH better choice. The Manual xmission coupled with track-loc rear end, 4X4 and Semi-hemi V8 makes for a MEAN truck. I like the fact that I can "light up" both rear tires with my big toe. 
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I have a 2001 Dodge Dakota (4.7L 4x4 w/ 545RFE) with 70K miles that I've owned since it was new. I routinely drive short distances to work (11 miles each way). On my last few "long" trips, I have encountered a recurring issue. After driving approximately 60 to 65 miles at freeway speeds, the transmission began to shift from overdrive to drive then back to overdrive, repeating continuously back and forth. This continues and the shifts get harder (larger fluctuations in the RPM gauge) as you continue. I stopped, let the vehicle rest for 20 minutes and started again. After another 20 minutes, the same thing happened again. Could this a simple TPS issue or could this be a more serious mechanical issue, such as a torque converter or solenoid. Also, when the vehicle is started in cold weather (less than 30 degrees), it won't shift into OD until the engine is warm. Don't know if the two issues are related or not. The fluid is full and clean, with no "burnt" smell.
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Replying to: cragan (Feb 11, 2009 4:07 pm) Another advantage of having a good rebuilder recondition your existing transmission, is you can do a number of upgrades to enhance durability and long term reliability. Dodge truck trannies are easy to work on and upgrade to stronger planetary gear sets that use more pinions, more and stronger clutch and steel sets, and even high performance valve body revisions, among other enhancements. These are very easy to upgrade this way. You can go as far as making a 46RE equivalent to a 48RE in terms of strength and durability if you want to. Regards, Dusty |
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Replying to: rresa (Feb 16, 2009 4:43 pm) Have you replaced the battery recently? If this is the original battery it may be causing intermittent loss of PCM or TCM memory keep alive. You might need to reflash the PCM. In fact, since your 2001 was manufacturered, there have a few transmission flash updates issued. An open IOD fuse in the fuse panel (on the instrument panel) will cause irratic shifting problems. And, yes, a defective Throttle Position Sensor can and will cause irratic shifting issues as well. In fact, this is a fairly common problem on older Daks. Lastly, if you haven't done so yet, I would recommend that the transmission filters be changed. A partially clogged Cooler Return Filter may cause pressure loss after being driven for a while. Regards, Dusty
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hello all,,after reading thru all the dakota posts i'm going on a checkout mission before i tackle a change,,i have a 93 dakota extenda cab 4x4 withe a 3.9 auto,,it's been what seem like a slip shifting from2-3,,this started about 2 months ago and seems to be getting worse,,so i just took another trans outa a 93 dakota that had a 5.2 lt motor and have been told that it will work..but after reading all the post on problems i'm reluctant to get started,,alot of issues on these boards seem to deal with tps sensor and the throttle lever and spring and cableso now i'm gonna do some checking and see if one of these may have been causing my problems all along,,i do remember that early this summer my idle adjustment seemed to go down to the point that it would not idle and keep running at a stop sighn,,and i'm wandering if this might have been a sign of the tps going bad?well being a do it your selfer and having 30 yrs of tinkering with vehicles under my belt i adjusted the idle screw up a little and that cured the low idle at stop problem,,i bought this truck about a year ago and it runs like a top,,and the guy i got it from said he had changed the tranny fluid before i bought it,,well around october while driving it it started to feel like it was slipping,,when i got it to my driveway it quit completly,,had to push it in the driveway,,well i thought that was it for mr tranny but deceided to drop the pan and check it out,,the filter was sooo dirty it couldn't be blown thru with compressed air ,,so i changed it and replaced the fluid with atf4 it drove great after that for about a month and started to slip again while driving it will speed up and seem to slip between the 2-3 shifts if i manually shift to 2nd then to drive it will work but not if you apply alot of pedel in drive,,but if you drive it slow it seems to shift right on it's own,,so for the last couple months i've been driving it slow and staying close to home..out my way the cost of another transmission used is about 800 bucks and just cant afford that or the price of a rebuild job,,i found the transmission i got at a good friends yard in a truck that was wrecked and got it very cheap,,so i was about to undertake the change but after reading the posts i'm wandering if it's really whats wrong? so today i'll be checking the other issues,,any more pointers to look for??thanks for all the ideas ,,and i have my fingers crossed that it may be something i just overlooked thanks bigcfi
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Replying to: dustyk (Feb 17, 2009 7:13 pm) The battery was replaced (2) years ago, so that should be fine. However, it is due for a tranmission fluid change so that may be a good place to start. With respect to the IOD fuse, I don't see one labeled as such. When I checked with Autozone, they said a defective TPS would only affect the idle and would not affect the transmission in any way. However, this is contrary to what you and many others have said, so I will give that a try. Thank-you for the input. Regards
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Replying to: rresa (Feb 18, 2009 4:03 pm) The IOD fuse probably isn't labeled. It isn't on my 2003, either. It is a ten ampere fuse, usually, and on later Daks it's found in cavity 18. But check all of the fuses just to be sure. A defective TPS can most certainly cause irratic shifts on Mopars. The person at AutoZone obviously does not know how things work. Good Luck and best regards, Dusty |
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Replying to: bigcfi (Feb 18, 2009 8:58 am) If I read your message correctly, you are contemplating replacing the transmission in your 3.9 Dakota (a 42RR or RH) with one from a 318 equiped truck. The V8 is either a A518, 44RE/RH or a 46RE/RH. I know it will bolt up, but I'm not sure about the transmission length. I advise taking a length measurement before you yank the tranny out of your truck. Regards, Dusty
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