1990 Dodge Caravan Transmission Bolt size

Tiny
JOHNSHARPIE
  • MEMBER
  • 1990 DODGE CARAVAN
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 189,000 MILES
What tools do I need to take off this transmission at the junkyard. What socket size? Any suggestion on how to approach this as a newbie mechanic would be appreciated. I have an 1990 new yorker with a 3.3 auto
with a transmission goes into first then it goes like into neutral and the reverse works fine! This happened after going uphill and having the transmission stay in first gear and then goes into neutral. I think it is just the trans, this car is old.
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Saturday, July 17th, 2010 AT 2:16 PM

17 Replies

Tiny
OBXAUTOMEDIC
  • EXPERT
Hello,

Ok, when was last tranny service?

Your New Yorker has 2 sensors one is an Input Speed Sensor and the other is an Output Speed Sensor. To replace these to sensor will cost less than $50. Could fix your problem. I have found these sensor are the cause in about 80% of the vehicles I have worked on.

There is also a Shift Solenoid Pack. Of course this will cost more.


http://www.2carpros.com/forum/automotive_pictures/188069_90newyorkerspeedsensor_1.jpg



I am not a fan of certain parts from a pick and pull or any salvage yard that doesn't pull and test the part. They cannot guarrantee the part works and if it doesn't you in most cases cannot get your money back. They just let you keep pulling till you get one that works or they run out and then you are out that money.

It may cost more but is worth doing an internet search for tranny's and look for used and tested ones. I do not remember the name of a salvage yard I used about 2 years ago but they pull and test the trannies. And it is still on the road with no problems.
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Saturday, July 17th, 2010 AT 9:11 PM
Tiny
JOHNSHARPIE
  • MEMBER
So this transmission is called a604? How could I find out without looking for the tag on the transmission itself?
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Saturday, July 17th, 2010 AT 9:34 PM
Tiny
JOHNSHARPIE
  • MEMBER
I already know that the transmissions is interchangeable with caravan town and country dynasty imperial 3.3 90 year. I checked on the doors of alot of caravans at a junk yard and some of them had the day 7-x-89 on the door I heard the dates rollover to the next year is this true, were that mentioned date would indicate year 90 modem caravan?
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Saturday, July 17th, 2010 AT 9:40 PM
Tiny
OBXAUTOMEDIC
  • EXPERT
Ok, No problem with the interchange, and as far as the year I believe this one was used in 89 - 95.

However, I am just trying to save you some money if possible. Changing out a transaxle can be a pain. There is a lot more to it than just taking the tranny bolts out.

Ok, I am pretty sure the tranny is a Chrysler A604-FWD, 4 Speed, Automatic Transaxle which is Also known as the 40TE; 41TE; 41AE.

Picture 1 is the filter for it so if you take a look at the tranny pan and count the bolts (should be 14) and notice the design and if it matches up then it's a A604.

Pics 2 and 3 are of the A604 Transaxle.
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Sunday, July 18th, 2010 AT 2:14 PM
Tiny
JOHNSHARPIE
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Thanks I will check this out now. Report back I will.
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Sunday, July 18th, 2010 AT 3:20 PM
Tiny
JOHNSHARPIE
  • MEMBER
Gonna drive to the car and look at the pan.
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Wednesday, July 21st, 2010 AT 1:36 PM
Tiny
JOHNSHARPIE
  • MEMBER
It matched up, so I do have the a604 transmission. Thanks car2pros!

Received the input out put sensors today. Now waiting for the towbar I got from harbor freight probably monday I will get that, then I can move the car to my garage! And let the fun begin.
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Saturday, July 24th, 2010 AT 3:41 PM
Tiny
OBXAUTOMEDIC
  • EXPERT
Keep us updated.
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Saturday, July 24th, 2010 AT 3:58 PM
Tiny
JOHNSHARPIE
  • MEMBER
Yes I will. I hope this thread helps someone else in my situation.
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Saturday, July 24th, 2010 AT 5:21 PM
Tiny
OBXAUTOMEDIC
  • EXPERT
Thanks John,

Letting us know that everything done through this thread helped fix your vehicle will help someone else with same problem.

That is the biggest problem on this forum. The people we help are not posting whether or not the info provided to them has help fix their vehicle.

.
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Saturday, July 24th, 2010 AT 5:46 PM
Tiny
JOHNSHARPIE
  • MEMBER
Got the tow bar, moved the car. Got the sensors in and output speed sensors, I will order the solenoid tomorrow.
Need to go buy some atf+4 (I read it is important :))

I got to move the caravan out of the way first!!!

SEE this thread here: https://www.2carpros.com/questions/dodge-caravan-1995-dodge-caravan-fuel-pump--4
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Tuesday, July 27th, 2010 AT 10:11 PM
Tiny
OBXAUTOMEDIC
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Sorry for delay, Been very busy with Repair work and my full time job as an EMT, been to run down at night to do much of anything except sleep.

Anyway, I have check all my resources and I am not sure of the Plastic piece he is speaking of.

Yes ATF +4 is very important for Chrysler vehicles.

Go ahead and change out the 2 sensors and wait on the installation of the Solenoid Pack. See if the sensor fix it first.

.
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Wednesday, July 28th, 2010 AT 8:02 PM
Tiny
JOHNSHARPIE
  • MEMBER
Installed the two sensors today and noiced that on the input sensor the connector was showing wire on both and was twisted like in a way the wires could touch and the base of the connector, so I think cutting and retaping will not work. Junk yard it is. Are these connectors sold DORMAN brand? I'd hate to make the trip to the junkyard and well get junk or being able to buy them for a cheap price new. Ordering the solenoid pack tomorrow. From new york so maybe a week before I see that if I am lucky. Fuel pump for the chyrsler is was paid for on the 07/23 and still hasn't been received by me coming from LA and I am like 200 miles away. So another bummer.
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Wednesday, July 28th, 2010 AT 8:24 PM
Tiny
JOHNSHARPIE
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Got the car back and but now lost the keys. So I found out how to hotwire the car and unlock the steering lock.

Now fuel filter in clogged. And the saga continue. 500.00 takes it as of now in coachella, ca
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Saturday, August 7th, 2010 AT 2:43 PM
Tiny
OBXAUTOMEDIC
  • EXPERT
Hi John,

Sorry, not sure how missed your last 2 posts.

Anyway, as far as the harness for the sensor you can check your local parts stores, and the dealer it shouldn't cost that much.

Glad you got it home, sorry for lost keys.

.
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Monday, August 9th, 2010 AT 4:30 PM
Tiny
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This car is on ebay for 299.99 were did I get 500 from? Will throw in a new sealed fuel pump and a new expansion valve if you mention this thread!
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Monday, August 9th, 2010 AT 5:49 PM
Tiny
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Who would on knew. Looking at 1986 ford thunderbird.
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Monday, August 9th, 2010 AT 6:11 PM

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