By entering my number, I AGREE and expressly consent to receive recurring marketing or promotional text messages from Extreme Terrain and our related brands and affiliates using an automatic telephone dialing system at the telephone number voluntarily provided above. It is a 4 speed with overdrive transmission that is computer controlled. (The hanger interferes with the installation. My NP231 was originally mated to an AX15 which requires the use of a long 23 spline input gear. I bought an Autometer gauge for around $38. Jeep TJ 1997-2006 Chrysler TorqueFlite A-904 & A-727 Jeep Wrangler JK 2007 - Present Jeep 4X4 Performance Handbook . I then tried another TCM and I got the same code. Both of them used a chisel to break it. This is where Stu Olsons expertise comes in handy. ), (Some of these are hard to see. Now you will want to bolt up the transfer case. Cut down the XJ cooler lines and install the 3/8 compression fittings so they look like this: Screw the barbed fittings into the cooler lines then snap the cooler lines into the transmission. Fused Ignition Switch Output (Start-Run) This is a dark blue wire. Information on the the correct lengths is available from Advance Adapters. This really helped me work through some issues. The key I feel is I have the complete wiring harness for the XJ the tranny came out of..We removed it from the harness without cutting many wires and all the colors matched and were already connected. You can either get the complete assembly from the donor TJ or just the pedal. Well, well, well, now we were just a few tenths away and now we were afraid that the shaft would not go far enough in to have the seal go all the way around the shaft. Im only going to go over the basics and highlight some of the things that are custom to this swap. Rotate it until the bolts line up. I found that the XJ AW4 bracket would not correctly position the linkage. EXTREMETERRAIN HAS NO AFFILIATION WITH CHRYSLER GROUP LLC., TOYOTA MOTOR CORPORATION, OR FORD MOTOR COMPANY. There are 4 holes in a TJ manual tranny mount. Dana 35 4.88 Ring and Pinion: Automatic Transmission Assemblies - Amazon.com FREE DELIVERY possible on eligible . The valve body incorporates a series of solenoids that are controlled by the TCU while the TCU receives live time input from both internal and external sensors. Once that is complete you need to fabricate a plate for the tranny mount. Advance Adapters AX5 to AX15 Transmission Retrofit Kit. This went pretty well with no issues. We think that it was hitting the rear seal of the AW4. . It was either swap or live with the manual. Lets take a close look at what each pin does and where it needs to go. So I sent the shaft off to get 3/4 taken off. Install the shift indicator over the shifter. Short shaft is 1.350 where the long shaft is 2.100. Fred Wilson Fred is from Tucson, AZ. We need to connect Pin 17 on the TCM plug to this wire. Install the AX15 transfer case linkage bracket. While holding your speed, tap lightly on the brake pedal. This completes the circuit the TCM needs to get signals from the TJ throttle position sensor and brake switch sense circuits. The LS motors, [4.8, 5.3,5.7, 6.0 and new 6.2,] and the 4L60e transmissions are readily available and provide a fantastic platform for a V8 swap into your Jeep. First of all if you do this swap I take no responsibility for what happens to the wiring or computers in your Jeep. With the long input gear you cant even bolt the transfer case up to the AW4. All of the 23 spline Teralows are of the short variety. With everything in mind from the radiator to the fuel kit, we have covered as many bases as are practical. I was fortunate enough to have the FSM electrical sections from a 00 XJ, and 97 TJ, so I was able to figure it out from the wiring diagrams and pin-outs. It was interesting to find out that the pedal assembly was modular. The X spline is longer than the S spline. Removal..went without a hitch doesnt it always? Installing the short 23 spline input solves that problem. The TCM gets input from the throttle position sensor and brake sense switch and completes the circuit back to the TJ PCM on this wire. Take it to a machine shop for probably $60 or so. Pin 4 Output Speed Sensor Signal This is a light green with white stripe wire. It needs to connect to Pin 6 on the black 8 way plug. Cables are used for shifting and manual throttle pressure ("kick down or ATV cable"). The fuse block is located on the front right fender well. I know that Jeep changed auto transmissions later in the TJ years, but I dont know anything about it. You can replace these with standard bolts if you like. A week later I took it on its first trail run. It needs to connect to Pin 3 on the TCM plug. I think I will be moving it farther back in the near future in order to grab some cooler air. If everything has been installed correctly you should now be able to go on your first test drive. Here you can see the steel fitting that is welded to the pan. Its purpose is to apply 12 volts to pin 21 on the TCM letting the TCM know that the shifter is in the 1-2 range. The Novak TJ V8 Swap. Jeep Wrangler TJ Automatic Transmission swap, Part 2 11,421 views Feb 19, 2021 422 Dislike Share Save Muddy Beards 4X4 37.9K subscribers Sorry for the lengthy video this week, but in this video I. Pull off the T handle so you can install the shift indicator panel. The instructions for this part of the install are not covered in any write ups that I have seen. So, the wiring harness on our 1998 Jeep Wrangler TJ (4.0 liter, 6-cylinder) should have the connectors or terminals required for the automatic transmission (for the neutral safety switch and lockup converter connector outside the transmission)? Here is a picture of the pedal assembly removed from my TJ. The TCM uses this solenoid to engage and disengage the lockup. I guess I had missed the complexity of this in the write up. WILL THESE OTHER TRANS. There is a quick fix that has worked for may using a. Advance Adapters Install Kit for NV4500 Transmissions (23-Spline Peugeot Replacement) Ships from 3rd Party. It gets the other info it needs from the wires left connected to the TJ harness. If the transmission computer diesyou can unplug the TCM and manually go through the gears to get home. I read over (scanned) the write up again but did not find it. Cost is $650, throw in another $400 to get the TCM, shifter assembly, pedal, cables, and tranny cooler and you have a low mileage 4 speed with around $1000 into it. At this point, I need to start cinching up some loose ends I have. Its purpose is to apply 12 volts to pin 18 on the TCM telling the TCM that the shifter is in the reverse range. All of the pins on this plug wire to a pin on the TCM plug. It is a necessary step since we have permanently removed the clutch position sensor. I got off at the next freeway exit. Pin 22 TRS T1 Sense (TRS Overdrive Sense) This is a light green with black stripe wire. This way I can print out the necessary diagrams from the XJ and TJ. I might need to re-point my pinion angle. Ships from 3rd Party. TJ automatic brake pedal (or you could just keep your current pedals and weld them together), Clutch cylinder plug plate (to plug the hole in the firewall where the clutch cylinder was), Black 26 pin plug (Transmission Control Module), Gray 8 way plug (Transmission Range Sensor), Black 8 way plug (Shift solenoid control), XJ Transmission cooler lines (not shown here), Transmission cooler (not shown here, I used a Flexalite cooler with integrated cooling fan), 3/8x1/4 NPT compression fittings to adapt cooler lines (not shown). Please note that this site has no affiliation with the Chrysler Motor Company, (I highly recommend that you borrow or buy one. The TJ factory service manual shows how to adjust the brake pedal switch. If you use a TJ indicator remember that 1 will actually be 1-2, and that 2 will actually be 3. Remove the throttle body return spring and snap in the kick down cable that is attached to the AW4. Section 1033(b)(4) information that cannot be retrieved in the ordinary course of Web home page for the emily post institute, inc. . 1987-1995 Jeep Wrangler YJ Chevy V8 Engine;. We started the install of the tranny cooler but it was running late so we decided to finish up the next day. If you have a 2018, confirm that you have a JL or JK. Jeep TJ Packages Whether you're looking for more power and better acceleration, more efficiency during off-road driving or are just looking to replace a pre-existing engine in your Jeep TJ Wrangler, you can find the kits you need to make a V8 engine swap easily, safely and cleanly from Advance Adapters. ), Your email address will not be published. The other 4 holes need to have some studs welded in so that the tranny mount can bolt to the plate. Once again we need to refer back to the chart to identify the correct wire color. It cost more than I had planned but it was done and I was ok with that. I crawled under my Jeep and noticed oil on the cross member. Pick your location wisely since clearance is tight. We are now looking at the mount from the bottom side. . Pin 1 Input Speed Sensor Ground This is a violet with light green stripe. Once the bushing and bearing are completely removed use a small file and some very light sandpaper to make the inside surfaces smooth again. I will go into more detail on this later in the write up. Now we start getting into the fun part of the project. Biff. After the transmission is installed run these up the firewall on the passenger side of the motor. Notes: Jeep used literally 14 different versions of this transmission, each with slightly different configurations of input and output stickout lengths and gearing. I knew that I wasnt going to put another AX15 in. Tranny cooler, drive shafts, tranny and TC fluids, shifter and whatever else I forgot. Install the 4 torque converter bolts. Provides a ground for the TCM. Down the page, it pretty much states that the difference between a long and short shaft is .9. You can definitely see the difference. The first being the wiring portion of the swap. All Rights Reserved I thought Id try something different. ***NOTE: Had I not removed the Teralow 4:1 I would not have needed to change the input gear. Fit Vehicle. Before we bolt it in there is a couple things we need to do. Novak offers the most complete Jeep TJ swap kit that we know of. Second it is the manual transmission neutral safety jumper. So now we have 6 holes. 4th gear is a .70:1 over drive and the transmission uses a lock-up torque converter. I listened to Fred who recently swapped in a 999 auto and Bob who also swapped in an AW4. I think the convertor will lock in 2nd too, but I am not sure and it would be hard to test using the My rear driveshaft is actually 2 inches longer than it was before. (Boy, is he underpaid!!! We put it back in and went to put the case up and it would not go in. You will only need to identify the brake switch sense wire. Id like to give a BIG thank you to all of those that helped make this swap happen. Combine a front mounted cooler with a remote mounted cooler. Spline/Slip Yoke Differences. I had been fighting an OBD2 code I kept getting from the tranny. Plumb the cooling lines into the radiator. Be sure the breather lines are up on the firewall. Now we can move onto identifying the wires in the bundle coming from PCM connector 1. Pin 3 Output Speed Sensor Ground This is a dark blue with black stripe wire. The Dana 300 is probably the best transfer case ever used in Jeep CJs and the transmission side of the bell housing is Ford compatible. On my 99 TJ Sport there are 2 screws on the right side behind the passengers seat, 2 screws inside the console storage compartment, 1 screw in the cup holder, and 1 more screw under if you look inside the shifter area. It was no longer available behind the 2.5L engine. By entering your email, you agree to receive recurring automated marketing emails from ExtremeTerrain at the email provided. This video and description contain affiliate links, which means that if you click on one of the product links, we receive a small commission. It was now a matter of soldering in some wires to create the harness. 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