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howard
Dodge Dakota
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3/06/2011
20:09:56

Subject: Overdrive problem
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Once again I find myself at the mercy of the dakota.com experts. This time my problem involves the a518 transmission automatic overdrive. My 1993 just past the 200,000 mile mark and I noticed that the overdrive doesnt't seem to be working at all. Normally the overdrive would be on during normal driving until I depressed the O/D button on the dash to disingage it and turn the normal 4 gear trans into a 3 gear auto for towing and climbing hills. But my truck will not shift into 4th at all. Trans fluid was low so I topped it off with the atf+4 fluid and it still isn't functioning. Is there a vacuume line or switch of some sort that could be stuck? when I push the O/D button it still lights up as it always has but there is no change in the way the transmission responds and when I push it again the light goes out but the transmission still will not shift out of third. Is it finally time for that ever expensive transmission overhaul?




howard
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3/06/2011
20:22:45

RE: Overdrive problem
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Does this have anything to do with the cruise control? seems like the cruise control stopped working at about the same time. It was fully functional before and now that I'm stuck driving a 3 speed automatic it won't engage either.



02dak4.7
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3/09/2011
12:15:25

RE: Overdrive problem
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I would check all of your fuses and relays. the overdrive unit on the A518 is electronic and will not engage if you have an electrical problem. this could also be a reason for the cruise control. I would check the fuses and then if that isn't it, find the correct relay and swap with one you know works. Beyond that i would check the electrical connection on the transmission, i think it may be toward the back of the tranny.



Dan00Dak
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3/09/2011
13:28:12

RE: Overdrive problem
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It sounds like a speed sensor has failed. Check the
one on the transmission. I think it'll solve both
problems.



howard
Dodge Dakota
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3/10/2011
14:11:50

RE: Overdrive problem
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02dak4.7 and Dan00Dak,
It's guys like you that make this the only place i've found to get solutions to these little problems. I don't know if this is going to fix the problem or not. I'm going to check these two things out and I'll let you know the outcome. I hope my problem isn't more than the speed sensor or a blown fuse cause right now a transmission is way at the bottom of my long list of things I need to spend my money on. Keepin my fingers crossed, I'll let you know.
Thanks for the help





howard
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3/11/2011
00:16:49

RE: Overdrive problem
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OK...,
Thats what the problem was. Somehow the plug with the two wires had come unpluged from the transfer case. Plugged her back in and whaalaa,,, back in business again. 200,000 + miles and counting. Thanks for the help, you guys are daBOMB.



02dak4.7
Dodge Dakota
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3/11/2011
08:44:52

RE: Overdrive problem
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Howard,
Glad to hear that worked out for you. and thanks for the compliment.



Dan00Dak
Dodge Dakota
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3/11/2011
17:11:46

RE: Overdrive problem
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Glad you got it! Thanks.



daves
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10/10/2011
09:17:39

RE: Overdrive problem
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My 2001 Dakota down shift out of over drive very roughly. There doesn't seem to be anything wrong with the regular shifting of the transmission only when slowing down and the overdrive kicking out. I t make a loud noise.



Ed Wymer
Dodge Dakota
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2/21/2012
22:35:39

RE: Overdrive problem
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I lost O/D and can't seem to find the problem.
I changed the speed sensor and checked wires but still have no O/D Is there a relay and if so where is it?

Thanks



daddio
Dodge Dakota
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2/22/2012
11:05:06

RE: Overdrive problem
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Ed, a little more ifo on the vehicle would be helpful. Is the CEL lit?



Ed Wymer
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2/26/2012
11:45:28

RE: Overdrive problem
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sorry.
I have a 1991 Dodge Dakoda 5.2ltr automatic.

The button on the dash lights up but nothing happens when I push it.
it will light and go out when pressed again.

It is like it's in third gear.
My gas mileage is down to 9-10 mpg.

I checked the wires to make sure they
are plugged in and I changed the speed sensor.




Ed Wymer
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2/26/2012
11:47:03

RE: Overdrive problem
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PS.
if the brake light is lit will that make a difference.



Buster556
Dodge Dakota
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3/06/2012
07:01:59

RE: Overdrive problem
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http://www.powellhydramatic.com/components.pdf

I found this site and it is very
Interesting what components do beyond there obvious Propose.

Who would have guessed the Coolant temp sensor
could cause the truck/car not to go into O/D



DakotaGuy
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3/09/2012
12:08:39

RE: Overdrive problem
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My 2001 Dakota 4.7L 2wd will not shift into O/D until the motor warms up... I've done a trans flush, but it hasn't helped. It has 140K miles on it and I know that the last time the trans filter was changed was around 80Kmiles.... Could it just be a fuse or a relay as you all have stated before? Could it be the filter? or could it just be worn out? lol I haven't a clue...



DakotaGuy00
Dodge Dakota
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3/09/2012
13:19:25

RE: Overdrive problem
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Correction... my Dakota is a 2000 model...



Buster556
Dodge Dakota
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3/10/2012
18:41:32

RE: Overdrive problem
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Well it wasn't the temp sensor LOL
Still looking for the O/D Problem

please help!
No hair left.




ed
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3/13/2012
00:23:42

RE: Overdrive problem
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I changed the speed sensor and the abs sensor in the differential and the abs light is still on
and still don't have O/D or Cruise Control.

HELP!!!
9mpg is not good.



ed
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3/29/2012
00:51:15

RE: Overdrive problem
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I finally fixed my O/D Problem

After changing just about everything
that could have caused the O/D not to work,

I read where the computer could be the problem
and it described every other problem I was
having.

I changed the Computer and Presto the O/D works again. and the blue smoke and slight miss and a few other problems went away.



grudger
Dodge Dakota
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3/29/2012
02:22:50

RE: Overdrive problem
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sure you did. i bet you got an extra 20 horses too? thats total bullsh!t your truck runs like crap and always will. quit living in denial. replacing the pcm will not stop your engine from burning oil and wont fix your burnt valves and valve seats. do yourself a favor and take that piece of sh!t to a qualified mechanic so he can drop in a 8.1L cause you aint gonna fix your own piece of sh!t. f*ck you and your worthless pile of crap



ed
Dodge Dakota
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3/29/2012
07:04:46

RE: Overdrive problem
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Grudger

First of all that kind of language is not
necessary.

Also if you had a bad experience with a 318
engine then so be it.

I DID fix my problem with a new Computer.
weather or not you want to believe it.

You do not need to reply if you disagree.

if you can not be nice then quit coming
to the forums.

We are here to help each other NOT call
names and blame some one for Lying.



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