Any info for 6-spd to automatic swap? - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 104 Old 07-26-2010, 07:35 PM Thread Starter
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Any info for 6-spd to automatic swap?

I have picked up a 2009 automatic trans, harness, shifter, etc. for this swap.
I know it will have to be taken to the dealer for a program. Has anyone done this? Also, will I need a new computer for the swap? It is the one thing I didn't get. Any info would be greatly appreciated.

Reasons I am going to the trouble:
1. I sold the manual trans for more than the auto and parts cost me
2. My wife will be able to drive it
3. Rubicrawler, so I won't have to regear my axles (currently 5.13s and 40s)
4. The labor of putting my old trans into another jeep offsets the Rubicrawler by a good bit
5. Do I need another reason?
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post #2 of 104 Old 07-28-2010, 02:37 PM
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you will also need a condensor with an auto trans cooler in it and tranny cooler lines

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post #3 of 104 Old 07-28-2010, 02:45 PM
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Quote:
Originally Posted by RedrockHemi View Post
you will also need a condensor with an auto trans cooler in it and tranny cooler lines
Actually a stand alone cooler will work just fine rather than swapping the radiator out.

Assuming there is a control module associated with the automatic. As well as a different set of pedals, shifter assembly, etc.

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post #4 of 104 Old 07-28-2010, 06:59 PM
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Quote:
Originally Posted by Goodysgotacuda View Post
Actually a stand alone cooler will work just fine rather than swapping the radiator out.

Assuming there is a control module associated with the automatic. As well as a different set of pedals, shifter assembly, etc.
tranny cooler isnt in the radiator, its in the bottom quarter of the a/c condenser.

I still think I would do it without changing the condenser though, but add a trans cooler with fan built in.


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post #5 of 104 Old 07-30-2010, 06:06 AM
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I have thought about doing the same thing with my 07. Keep us posted on how it goes and what it takes.
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post #6 of 104 Old 07-30-2010, 06:26 AM Thread Starter
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The B&M 70297 cooler will be here today. It is 13.5"x9" with a 9" fan that is enabled at 175 deg.
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post #7 of 104 Old 07-30-2010, 03:57 PM
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WHY? JEEPS need manual!
it's not a liberty!!
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post #8 of 104 Old 07-30-2010, 04:02 PM
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WHY? JEEPS need manual!
it's not a liberty!!
Really???
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post #9 of 104 Old 07-30-2010, 04:16 PM
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WHY? JEEPS need manual!
it's not a liberty!!
well of course they do, just look at all the manual shift rock crawlers out there.

im in the same boat, id rather drive a stick but its easier for my wife to drive a auto and easier for her to tow the camper and to wheel.

theres a good motto to go by in married life
happy wife, happy life.

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post #10 of 104 Old 07-30-2010, 04:17 PM
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maybe look into drive shafts? might be different lengths, also the skid plates are different to. and the center console

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post #11 of 104 Old 07-30-2010, 04:29 PM
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well of course they do, just look at all the manual shift rock crawlers out there.
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post #12 of 104 Old 07-30-2010, 07:35 PM
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There were a few that finished KOH

Obama, The greatest gun salesman since the invention of firearms.
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This is exactly why we need to practice proper gun control.

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post #13 of 104 Old 07-30-2010, 07:59 PM Thread Starter
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Quote:
Originally Posted by BeerMonkeY View Post
maybe look into drive shafts? might be different lengths, also the skid plates are different to. and the center console

I have the console, rear driveshaft is undecided. Front shaft is already a 1310 cv, and may have enough to spare either way, we'll see.
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post #14 of 104 Old 08-06-2010, 11:15 AM Thread Starter
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Removed the manual transmission and transfer case and installed it in the 2wd customer's JK yesterday. Now awaiting reassembly with the auto.
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post #15 of 104 Old 08-06-2010, 11:58 AM
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I would swap for another wife before swapping to an auto. First date with my wife we rode motorcycles, she kicked ass, I married her. Never had a lame bike or car with an auto in our 20 years together.
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post #16 of 104 Old 08-06-2010, 02:31 PM
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I'm in the process of doing the same swap. I'm currently gathering parts and it's actually going to be an extremly cheap mod. Good call on the stand alone oil cooler. It will work considerably better than the factory one and it will save you a few hundred $. You do need to purchase a brand new computer. The dealer will need to put a fresh burn into the new ECU with the automatic shift points and they will also be able to burn in your VIN so that it's all legit. Have you picked up the shift interlock cable for the steering column? There will be no issues with driveshaft length so don't worry about that. Also don't forget the shifter lever sled (or bracket) you'll need the automatic version so you can plug the hole on the floor where your manual shifter came through. The programming was my biggest concern because the security system talks to the ECU and allows you to unlock and start your jeep. Now that I found out that the dealer can burn and flash the fresh ECU with all the info I'm all in on doing the swap. I'll keep an eye on your thread and we can trade info and all the in's and out's on pulling this off

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post #17 of 104 Old 08-06-2010, 02:39 PM
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Curious why they have to flash a new ECU instead of just flashing the current one to shift the transmission?

Jason
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post #18 of 104 Old 08-07-2010, 09:43 AM
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Well first off they are two different computers. Second, the architecture on the PCM is reflashable, certain information is, but the initial burn cannot be altered. Shifting isn't the issue to begin with, it's the VIN information on the PCM that is the concern. Technically I could just score anothe ECU from any Rubicon and be good to go, but my security wouldn't recognize the VIN and then I wouldn't be able to start my Jeep. Trust that alot of "outside the box" thinking has gone into committing to this project and the one undeniable fact is...a new PCM is required

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post #19 of 104 Old 08-07-2010, 03:31 PM Thread Starter
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Sounds good, I haven't got the PCM yet, but do have the shifter sled. I will probably wait until I tow it to the dealer to get the PCM.
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post #20 of 104 Old 08-08-2010, 04:02 AM
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what a pita. I would have traded it in on an auto or taught your wife to drive standard, there are videos on you tube to help her.
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post #21 of 104 Old 08-08-2010, 11:14 AM
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Quote:
Originally Posted by jtrain View Post
Sounds good, I haven't got the PCM yet, but do have the shifter sled. I will probably wait until I tow it to the dealer to get the PCM.
Did you have any issues getting the correct sfifter sled? COP 4x4 tried ordering one 4 times and never got the right one. I guess theres issues with the part numbers in Chryslers parts system

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post #22 of 104 Old 08-08-2010, 12:11 PM
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Did you have any issues getting the correct sfifter sled? COP 4x4 tried ordering one 4 times and never got the right one.
...........................................Thats the problem right there ^^^ 52060490AD is the sled I used for mine. Worked great.

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post #23 of 104 Old 08-08-2010, 12:27 PM
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My wife wants to get his and hers Jeeps but wants to learn to drive a stick first because she said "Jeeps should not have autos"
JT
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post #24 of 104 Old 08-08-2010, 05:10 PM
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What is the cost of this mod? if its a reasonable, then I am willing to switch my auto for a 6-speed.

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post #25 of 104 Old 08-08-2010, 06:17 PM
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cost

I'd be interested in a price list on where you guys are at now too. What do you think the total cost is going to be?
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