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Dodge Dakota Transmission Problems

1024 messages,  Last post on May 07, 2013 at 9:14 AM

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Messages Page 55 of 104

#532 of 1024 Re: 2001 Dodge Dakota 4.7L with the 545RFE transmission [dustyk] by rresa

Feb 18, 2009 (5:03 pm)

Replying to: dustyk (Feb 17, 2009 8:13 pm)
Thank-you for the replay.
 
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

#533 of 1024 Re: 2001 Dodge Dakota 4.7L with the 545RFE transmission [rresa] by dustyk

Feb 18, 2009 (6:28 pm)

Replying to: rresa (Feb 18, 2009 5:03 pm)
Battery issues will cause some pretty quirky problems in Dakotas, everything from losing the time on the clock or presets in the radio, random chimes, rough idle, and irratic transmission problems.
 
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

#534 of 1024 Re: 93 dakota transmission issues [bigcfi] by dustyk

Feb 18, 2009 (6:44 pm)

Replying to: bigcfi (Feb 18, 2009 9:58 am)
A number of things can cause a 2-3 flair on a 42RE, burnt clutches, sticky servo, bands out-of-adjustment, clogged valve body, or sticking shift solenoids, just to name a few. One thing that will certainly cause this problem is the throttle linkage being out of adjustment or sticking Throttle Valve Cable or Throttle Valve Shaft (pivot on the left side of the transmission case). The operation and adjustment of this valve is critical to correct shifts. If the cable adjustment is too loose the transmission will try to shift into the next higher gear too soon causing low hydraulic pressure and subsequent slipping (flair).
 
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

#535 of 1024 Re: 93 dakota transmission issues [dustyk] by bigcfi

Feb 18, 2009 (8:50 pm)

Replying to: dustyk (Feb 18, 2009 6:44 pm)
thanks dusty,,i've read your replys on all 53 pages and know you know what your talking about,,any good way to tell which tranny i got from the 318,,it came outa a 93 dakota extendta cab 4x4 just like mine...the only numbers on the case are 067-1 in 2 places... big looks like a welded on number and a number stamped by the chrysler logo on top thats 17904 other than those number thats all i can find ,,do any of those numbers sound right?
  also the dip stick is marked use dextron II on it ,,i know i should use mopar 4 fluid right?? but did they originally use dextron 2 in these years??
  i looked at the throttle cable today and it appeared to be a couple mm out of alignment ,,also when i first checked the movement of both throttle and cable it appeared the lever on the tranny was hanging up at first mabey at 1/3 of the travel ,,after i readjusted the cable i tried it again and it didn't seem to stick anymore but still seems sluggish between 2-3 shifts unless i let of the throttle ,,the spring is in place and seems ok ,,it will manually shift 1-2-and 3 with 3 being the most sluggish,,i have changed the filter twice now and there was sludge in the pans both times but no major chunks or peices,,tommorow i'll check the tps for voltage and let ya know what i find ,,thanks for your ideas ,,i really don't want to rip this one out if it could be solved with the trans in ,,\thanks again
bigcfi

#536 of 1024 Re: 93 dakota transmission issues [bigcfi] by bigcfi

Feb 19, 2009 (10:08 am)

Replying to: bigcfi (Feb 18, 2009 9:58 am)
hello again,,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?,,thanks in advance
bigcfi

#537 of 1024 tranny issues and questions (more) by bigcfi

Feb 20, 2009 (7:36 am)

,,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

#538 of 1024 Re: 2001 Dodge Dakota 4.7L with the 545RFE transmission [dustyk] by rresa

Feb 20, 2009 (7:56 am)

Replying to: dustyk (Feb 18, 2009 6:28 pm)
Dusty,
 
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!

#539 of 1024 2002 dakota 4x4 sport overdrive kicking out by ndc

Feb 22, 2009 (5:28 am)

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.

#540 of 1024 Re: 2001 Dodge Dakota 4.7L with the 545RFE transmission [rresa] by dustyk

Feb 22, 2009 (10:34 am)

Replying to: rresa (Feb 20, 2009 7:56 am)
No, you do not need to reset the PCM after replacing the TPS. However, if after replacing the TPS things are still not right, try disconnecting the battery for two minutes and try it again. Sometimes the Transmission Control Module (TCM) will keep compensating for a TPS problem (Throttle Position Out of Range) and run the computer adaptive algorithm all the way to the end of its value. This can give you irratic or strange shift sequences.
 
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

#541 of 1024 Re: 2002 dakota 4x4 sport overdrive kicking out [ndc] by dustyk

Feb 22, 2009 (10:39 am)

Replying to: ndc (Feb 22, 2009 5:28 am)
I could give you some ideas, but they could all be wrong. Since the CHECK ENGINE lamp has been illuminating, it is going to set a fault code in the PCM. This discussion will benefit greatly by knowing what the faults are.
 
In the meantime, have you performed any transmission maintenance on this vehicle in the past?
 
Best regards,
Dusty

Messages Page 55 of 104

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