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Pickups Dodge Dakota Dodge Dakota Transmission Problems
695 messages, Last post on Dec 04, 2009 at 4:57 PM
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,,well did some more checks today,,tps voltage from computer with key in on position is 4.8,,resistance with tps off vehicle read .4closed to1.9 wide open on 2k scale..readings increased and decreased evenly thru all positions,, so i beleive the tps is working ,,i'm not sure if the numbers are within tolerances i can't find any references to spec's in my haynes manual,, you mentioned there may be a lenght issue in changing the 6 tranny with the 5.2 ..i measured both ... the 5.2 i can say definatly is 32"L while the one still in the truck as best i can tell is 32+1/2"L but thats an estimate and kinda tuff to get exact measurements,,the 5.2 tranny part number is PK52118311-1742-2666 and i beleive thats a 46RH part number ,,the tork converter has a sticker on it marked high stall and i've been told to do the change over i need to use my 6cyl flexplate,,correct?,, also i checked the codes stored in the computer,,i had 5 codes but never had the check engine light come on,,the codes were 12,,32,,24,,15,,17,,i cleared them and drove it to see if they came back and the only 2 that came back were 12 and 32 and the slipping seemd to stop but seems to have less power and i think that could be comming from the egr code ,,will replace that before i continue with the tranny issues ,, are the tps check readings ok and within limits? thanks in advance bigcfi
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Replying to: dustyk (Feb 18, 2009 5:28 pm) Thank-you for the updates as they are most helpful!!! I found the IOD fuse and it is good, so I will start will changing the TPS then get a trans fluid changed / flushed and get a new trans filter. One question on the TPS, do you need to reset the PCM and if so, can this be done by disconnecting the battery for a short time or is there more involved. Thanks! |
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My 2002 dakota sport has 105000 miles on it I have the 545RFE trans. Problem is that when excelerating once I'm at 45 mph the transmission will jerk and seems to kick out of overdrive. If I were to stop shut the truck off and restart it I will have overdrive back. It doesn't happen all the time. If I keep it out of overdrive it runs just fine. The check engine light does come on but clears itself if it doesn't happen for a while. Just change fluid/filters. Still happening.
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Replying to: rresa (Feb 20, 2009 6:56 am) You will lose all Priority 0 through 4 DTC stored faults and learned shift schedule. However, all Chrysler automatic transmissions are at least semi-adaptive (all RFE versions are fully adaptive) and after some drive time will relearn. Best regards, Dusty
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Replying to: ndc (Feb 22, 2009 4:28 am) In the meantime, have you performed any transmission maintenance on this vehicle in the past? Best regards, Dusty
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Replying to: bigcfi (Feb 20, 2009 6:36 am) With the exception of the Aisin-Warner Jeep tranny, never use Dexron in a Mopar truck transmission. Never. Yes, Chrysler stamped the use of Dexron on to dipsticks for a number of years, and I can tell you they are real sorry now. They did this to indicate that Dexron could be used in very small quanity to bring the transmission fluid level to specification, however this was not approved in their service manuals. But, many people thought this implied that Dexron was approved for use, and it wasn't, especially in quanties more than one quart. As we know now, one quart of Dexron added to ATF+3 will cause accelerated degradation of the fluid. If thje Throttle Valve pivot on the transmission is still sluggish, you may need to replace the shaft. I've seen these get corroded on older transmissions, especially those that had a high moisture content in the fluid (another reason to change fluid regulary!). It sounds like you were reading TPS voltage with a digital meter. The voltages are within range, but you cannot determine a rough spot on the potentiometer wiper (resistive) surface with a digital meter. Here's where an old fashioned analog VOM will do a better job. However, I gave up on checking this after I found that I thought one was good after test, but it proved to be bad anyway. Because of the age and vintage, I would suggest just replacing it. They had a higher rate of defects in those years. I'm not into tranny swaps, so I do not consider myself qualified to comment on the flex plate issue. However, I'm pretty sure the flex plates are different between a 42 and 46RH. I think I answered all of your questions. Good luck and best regards, Dusty |
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Replying to: dustyk (Feb 22, 2009 9:39 am) I got the truck with 70000 miles on it and I changed the fluid/filters at 105000. I just went and checked the code its reading P0700. Any ideas would be greatly appreciated. Thanks, Nate
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Replying to: ndc (Feb 22, 2009 10:51 am) P0700 = Transmission Control System Malfunction Unfortunately the P0700 code doesn't tell us much, but I have a suggestion on a couple of things to try before going to a dealer and having a DRB3 connected to it. 1. Check all of the electrical connections at the transmission. Disconnect each connector and check for any signs of corrosion, moisture, or damaged pins. Check for damaged wiring. Perform the same checks at the Power Train Control Module (PCM) and Transmission Control Module (TCM). The TCM is part of the PCM and is mounted to the inside of the right fender. 2. Replace the Throttle Position Sensor (TPS). 3. Disconnect the battery for several minutes. This will erase the stored learned shift algorithm. Drive the vehicle and let the transmission relearn. If these recommendations don't work, I suggest having a Dodge tech. check this out. You might need a TCM reflash. A defective shift solenoid or dirty valve body could cause this problem, as well as a bad coolant temperature or transmission temperature sensor, or for that matter, a bad PCM/TCM. Best regards, Dusty
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Replying to: dustyk (Feb 22, 2009 9:39 am) i've got a 2000 slt dakota 4.7 ltr 4x4 quad trans revs between shifts and seems to slip slow to go into drive but reverses right away also on highway seems to buck a little and if i throttle to pass its revs again fluid seems good no burnt smell nice red colour already replaced tps any help would be greatly appreciated thanks mike
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Replying to: 71corvette (Oct 22, 2008 5:01 pm) |
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