2005 CRD swap into fj40

WWDiesel · **Posted:** Wed May 03, 2023 11:59 am

fjdiesel wrote:

Ok, time for an update.
Got the 4 link rear with 2017 JK coils in. RIDES AWESOME!! Probably the second best upgrade, right after the CRD!!
I did have to put a lift leaf spring in the front to level the rig back out, but the stance and ride is awesome. I am really surprised at how well the coils and leafs seem to be balanced. I will get a pic posted soon, I need to wash the rig first. lol.
I need to give a huge thank you to WWdiesel for posting the cooling diagram and verifying that I needed to block off the hose from the egr cooler!! Thank you!! I got that done last night and my test drive this morning was perfect!! No more temp creeping up at higher speeds! So, thank you again!!
I have a little shudder at lower speeds I need to look for, it seems like it is coming from the transmission... I have a couple spares, I wondered about changing the valve body to see if that makes a difference....

What torque converter are you running? If your front pump has a lot of wear, it can cause low line pressure issues which will affect TC lockup.
May want to just change the solenoid pack instead of the whole valve body. Be sure and use the one with the white connector that is compatible with 05 & 06 models. see picture

Quote:

Solenoid pack requirements:
Any 545RFE or 68RFE will bolt up to the Jeep Liberty. (5 or 6 speeds is controlled by the TCM)
Later model transmissions used a different solenoid pack (GRAY Connector) that is NOT compatible with the 05-06 model electronics. (TCM)
So, you may have to remove your solenoid pack from your current tranny and install it in any newer 545RFE you purchase.
They are identified by their color.
If you are using a later model Hemi transmission like the 68RFE, you will have to swap the solenoid pack back to the earlier model (WHITE Connector) solenoid pack which is compatible with the Jeep CRD's TCM (electronics). Just make sure to use the one with the white connector.

fjdiesel · **Posted:** Wed May 03, 2023 1:06 pm

I have the Suncoast converter from Sasquatch.
And I installed a used transmission out of a 2009 Dodge pickup when I installed into the vehicle. It had the white plug. So I do still have the transmission I took out. Do you think I should try that solenoid pack? Or are they a wear item and I should order a new one?
Thanks for the imput.

WWDiesel · **Posted:** Wed May 03, 2023 4:29 pm

I would certainly try it first before swapping transmissions.
It can be changed by simply dropping the pan to access the solenoid pack.
A shot in the dark, but worth a try and you have nothing to lose but a little time and some ATF. :wink:

fjdiesel · **Posted:** Wed May 03, 2023 5:28 pm

Yes sir. I agree. I have it ordered.

fjdiesel · **Posted:** Wed May 17, 2023 11:10 am

Has anyone been able to find a plug in display that works with the OBD port? A scangauge or something like that..

I am mainly looking for a few items I have not been able to find in the factory wiring. Tach, CEL, and digital temp(I may have this one in my dakota digital dash)

I need to do some reading on how to or if its possible, but I have a few codes that come up, from deleting the bcm, etc. Does anyone know how to get into the computer to shut some of this stuff off? Or is it possible? I was gonna read through the ECU DIY thread when I have time, its will be a long read... 90 some pages. lol.

turblediesel · **Posted:** Wed May 17, 2023 11:39 am

Scangauge doesn't work well with the CRD. It works, but it needs all the setup info reentered every time it's shut down.

fjdiesel · **Posted:** Wed May 17, 2023 12:11 pm

That is what I was afraid of... I have an Ultragauge from a VW I had, it doesn't work either, or at least it shuts off after a bit, until the ignition is restarted...

WWDiesel · **Posted:** Wed May 17, 2023 1:29 pm

The problem is, the PCI bus just gets to busy and your scangauge gets shutout due to not being high on priority.

In a nutshell:

From: SERVICE REPAIR THE GARAGE
All aboard Chrysler's PCI Bus wrote:

All networks have a bias voltage that originates at certain modules (Chrysler likes to call these dominant nodes and the receiving modules are referred to as recessive nodes). The network is set up not to broadcast recessive node transmissions when a dominant node transmission is under way. This bit of information isn’t all that important in the grand scheme of things – most PCI bused modules create their own bias voltage. That’s what Chrysler Collision Detection (CCD) is all about as related to networking.

In a word, when multiple modules transmit messages at the same time, the possibility exists that messages could collide with one another, as peculiar as that might sound. Therefore, messages generated simultaneously are sent in an order based on priority. Low priority messages go to the back of the line and wait in a buffer (think of it as a storage area or parking lot) until the information highway is clear, but that clearing usually doesn’t take but just a few microseconds.

Don't think that last statement is fully correct? :banghead:

fjdiesel · **Posted:** Wed May 17, 2023 1:55 pm

I understand that. Thanks.

No one has figured out how to go in and make the overhead console(example) a lower priority and the OBD port a higher priority? Just curious.

I am not a computer guy... But I would like to learn more about this computer to make a couple things work for my swap...

user113 · **Posted:** Sat Jun 24, 2023 10:11 pm

It would be nice to have the entire source code of all of these different modules to reset the entire communications network, but that ain't gonna happen.

I'm wondering if another problem you might be facing is if a first module interrogates a second module, and the second module does not respond within a few milliseconds (perhaps because you deleted it) the first module might keep repeating the data interrogation request every few milliseconds. As more and more module interrogations are initiated and remain unanswered, the system might be filling up every bit of bandwidth with higher priority data requests that will never get fulfilled and so the lower priority traffic that you want will just get completely cut off.

Just a thought. You might want to hook up a monitor and see what kind of traffic and how much you have traversing that bus.

fjdiesel · **Posted:** Mon Jun 26, 2023 10:36 am

That is a good idea. I will look into that and see if I can monitor what is going on. Thanks.

fjdiesel · **Posted:** Tue Aug 08, 2023 5:33 pm

Just got back from Colorado, put on 2700 miles. I have plenty of bugs to work out, but I am getting really happy with this setup.

I did 4 link the rear suspension this last winter. What a difference on ride!!!

I need to install another trans cooler w/ a little fan. Only for climbing in the mountains. The front mounted one does fine on the road.

The radiator will need to be changed... Need a way bigger one... It wouldn't keep it cool on the longs grades or hill climbing. I never over heated it, but on 1 grade I was in 2nd doing 25mph to keep the temp down....

I am gonna reach out to GDE and talk to him about a trans tune. It needs to hold the gear longer before an upshift...

And I need to talk to Yeti and have him do some tweaking on my tune. Too much raw fuel smell idling around the mountains.

I am trying to find diesel_guy86 if anyone knows how to get ahold of him? I would like to do a turbo upgrade.

I think that is it for now. lol.

WWDiesel · **Posted:** Tue Aug 08, 2023 10:21 pm

Sent you a pm and an email, hopefully it will help.

WWDiesel

fjdiesel · **Posted:** Wed Aug 09, 2023 3:02 pm

Lots of information today!!

Sending out the transmission computer to GDE to have the offroad tune done to the computer.

And I am gonna try a 1756 turbo from a Euro spec 2.8 CRD. Custom built by the turbo guy who was on this forum. It sounds like it will be similar to the turbo that GDE used to build.

Being mostly offroad, it will spool faster and more boost in higher altitudes.

And.... I reached out to Yeti to see if he could clean up the idle mixture and the decell.

I will let you all know how this progresses.

GreenDieselEngineering · **Joined:** Sun Jun 07, 2009 5:10 pm **Posts:** 1111

Do you have an oxidation catalyst in the exhaust? If not, a diesel oxi-cat will eliminate HC and CO emissions an significantly reduce the smell. A good option is to use the stock one from a CRD.

fjdiesel · **Posted:** Tue Aug 15, 2023 10:32 am

Thank you for the info!! I was wondering if that would help. I have the euro turbo on order, so I will be changing the front pipe of the exhaust, so I will put one in. Thanks again.

I have a parts vehicle... I will look to see if it has one under it.

fjdiesel · **Posted:** Fri Sep 08, 2023 9:49 am

Does anyone have or know where there is one of the Green Diesel Engineering upgraded turbos for sale that they used to offer?

WWDiesel · **Posted:** Fri Sep 08, 2023 1:37 pm

fjdiesel wrote:

Does anyone have or know where there is one of the Green Diesel Engineering upgraded turbos for sale that they used to offer?

You may want to reach out to Joe Kirian at: Blackbird Innovations and see what he has available.

He rebuilds and upgrades the stock turbo with improved performance parts. :JEEPIN:

Web page:> https://blackbirdinnovations.com/
Facebook page:> https://www.facebook.com/profile.php?id=100057550955046

fjdiesel · **Posted:** Fri Sep 08, 2023 4:10 pm

Will do. Thanks.

fjdiesel · **Posted:** Fri Sep 08, 2023 5:31 pm

Got my new radiator!!
I mentioned a few posts ago how it got hot out in Colorado pulling hills and climbing at elevation.
This should solve the problem!!
The factory FJ40 radiator is 330 sq in. This radiatior is 460 sq in!!
It will completely rework all the coolers in front of the fan, but I want this thing to be able to cool when I am playing!!

2005 CRD swap into fj40

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