A transmission swap may not be the best option for you. Other rubber hoses cannot handle the high temperatures that they see. How sweet it is! Fit Vehicle. This is definitely the part that turns most people off from this The TCM uses the signal from the throttle position sensor to help it calculate shift points. This includes the transfer case and transmission breather lines. Then I used a sharp chisel to break the bushing at the holes. Pin 3 Transmission Solenoid A This is a white wire. This is the wire that needs to be tied into the TJ harness. I wanted to get a better feel for the automatic first. The AW4 is around an inch longer than the AX15. First of all, there are 2 great write ups I used for this. Pin 2 Transmission Solenoid B This is an orange with white stripe wire. I guess I had missed the complexity of this in the write up. Its purpose is to apply 12 volts to pin 22 on the TCM telling the TCM that the shifter is in the OD range. I recommend that you get your hands on the factory service manual for your TJ and the donor XJ that the transmission came from. Got the input shaft back at noon the next day. They are below. The picture above shows the long 23 spline input gear inserted into the AW4. I already had a Prothane poly tranny mount that I wanted to keep. When complete it will look as neat as the factory wiring. Remove the entire center console from the Jeep. Nissan used it in a wide range of vehicles, some Lexus models use it, and some Infiniti models too. Now we get to dig deeper into the interior. So the time has come..starting it..turn the key..no start..I did not have a clutch in SO the clutch safety switch was not activated. So now we have 6 holes. This helps support the channel and allows us to continue to make videos like this. About the input shaft. . After your tranny swap, you may encounter a problem. We're sorry, zip can't be updated at this time. 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 completes input speed sensor circuit. ), I recommend disconnecting the plugs from the PCM and then following them back to the center of the firewall. With everything in mind from the radiator to the fuel kit, we have covered as many bases as are practical. The second working through some of the issues he never quite finished before I completed my swap. There are dozens of ways you could do this. | Measure the AX-15 with calipers to find out. Snap the XJ shift indicator panel into the center console. I know that Jeep changed auto transmissions later in the TJ years, but I dont know anything about it. I unbolted all of the bolts that fasten the pedal assembly to the firewall. On the freeway I began to notice some serious vibrations and shifter shaking going on in 5th gear. At this point, I need to start cinching up some loose ends I have. Lets sort them out. Now we are talking. This is the beginning of a couple of days of road testing. Carefully find the wire and label it. Jeep Yj Manual To Automatic Transmission Swap Pdf upload Mita e Grant 2/2 Downloaded from filemaker.journalism.cuny.edu on January 16, 2023 by Mita e Grant Manual Transmission 4.0L LHD Fits 00-04 WRANGLER 1064206 (Fits: Jeep TJ) Was: Free . I am interested in the D300. It needs to connect to Pin 2 on the TCM plug. Our TJs never had any OBD2 controlson the tranny prior to the swap so technically I dont believe we arerequired to integrate the OBD2 TCM into the data link connector. Brake switch sense This is a white with pink striped wire. Stu and I stuck a needle into the wire and then checked it with an ohm meter. Please see the table below for a breakdown on the cost of the swap. It needs to connect to Pin 1 on the TCM plug. Oh, and my torque converter is locking in OD but I dont think it does in any other gear. Once again we need to refer back to the chart to identify the correct wire color. After the transmission is installed run these up the firewall on the passenger side of the motor. Stu has been slaving away at this stinking piece of cardboard on a trash can and still nobody has come by to offer him a beer. Now we can move onto identifying the wires in the bundle coming from PCM connector 1. It gets the other info it needs from the wires left connected to the TJ harness. ***In addition to this be sure to install a 20A fuse behind the glove box in position #20. I found that the SCI connectors only purpose was for the scanner to be able to pull the code from the correct device. Pin 5 Input Speed Sensor Ground This is a violet with light green stripe. Privacy Policy Start typing to see results or hit ESC to close, http://www.thebassetts.us/Jeep/AW4/AW4_files/page0001.htm, http://www.stu-offroad.com/engine/aw4.htm, Guide: Choosing Running Boards for Your Jeep. Pick your location wisely since clearance is tight. Im just going to give a quick overview and list a few snags that I ran into. Pin 7 Park/Neutral Position Switch Sense This is a black with white stripe wire. Your email address will not be published. Radiator Cap: Included. Where you mount it is your choice. If you don't have to follow strict emissions regulations or are building the ultimate trail rig, the GM LS V8 is a great option. Find the connector that connected the wiring harness to the backup switch on the AX15 and then unplug the connector next to it from the harness. I decided to fabricate my own plate. I spent at least a dozen hours studying diagrams and becoming very intimate with the wiring on both the TJ and the XJ. The output speed sensor signal is used by the TCM so that it knows how many RPMs there are coming out of the transmission. Below are some pictures of our work. It needs to connect to Pin 4 on the gray 8 way plug. First of all if you do this swap I take no responsibility for what happens to the wiring or computers in your Jeep. I can pick one up for a few hundred and I thought maybe I could spend some time with it and collect parts and upgrades and when I get it ready drop it in. Automatic Transmission Swap in my Jeep Wrangler TJ, Part 1 - YouTube 0:00 / 17:05 Automatic Transmission Swap in my Jeep Wrangler TJ, Part 1 25,079 views Dec 26, 2020 In this. Pin 12 Transmission Solenoid A This is a white wire. I might need to re-point my pinion angle. Here is the temporary state that the TCM is suspended in. Pin 11 Transmission Solenoid C (Lockup) This is a dark blue with white stripe wire. Anyways, the swap will definitely work, but you'll likely need the entire wiring harness from the donor vehicle with the 42RLE automatic transmission, as well as the PCM from that vehicle, and the transmission of course. We need to connect Pin 16 on the TCM plug to this wire. Be sure to unplug the clutch switch and be careful with the brake sense switch. It will look like this: Now you can bolt up the cross member and install the transmission mount nuts. Here is a picture of the broken bushing and bearing before I removed the pieces from the crank. The tranny has its own input and output speed sensors. There is about a half an inch of difference between the two. Now if for some reason the tranny is misbehaving and you want to pull other codes from the TCM all you have to do is hook up the CCD + and as well as the SCI transmit wire. I drilled new holes 1 farther back on the bracket. Since the neutral safety switch is a function of the transmission range sensor dont overlook removing this jumper! It gets RPM info from the tach, and output speed info from the speedometer and its happy like before the swap. Before that, the YJ 2.5's only came as manuals. This will tie into the wire bundle coming out of the TJ PCM on connector 1 pin A4. CJ hard top side windows 1 x drivers and 1 x passenger. Failure to do so will result in the Jeep not starting! This video and description contain affiliate links, which means that if you click on one of the product links, we receive a small commission. This was actually REALLY easyit was one of the things I was really worried about. I used 1.5 qts of Castrol ATF+3. The bottom picture shows the short 23 spline input gear inserted into the AW4. 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. (We dont actually tie into any wires that run from connector 2. Its entirely up to you and your needs. ), (Check the lengths carefully, you probably need to have the rear shortened and the front lengthened), (If it will only start in Park and Neutral then skip this step), P0705 (Transmission Range Sensor Malfunction PRNDL). TH400: The Turbo 400 . This really helped me work through some issues. Bolt the TJ shifter to the plate using the 4 bolts. The TRS then uses this power to send signals to the TCM indicating what range the shifter is in. If you dont remove all of them you will find yourself cursing at the point you try to free the tranny from the engine. We did have to lengthen the harness but this was not an issue at all. Combine a front mounted cooler with a remote mounted cooler. It completes the output speed sensor circuit. The solenoids are used by the TCM to shift the transmission. It's an easy swap to do. Rough Country items are not included in Free Shipping offers. This will tie into the wire bundle coming out of the TJ PCM on connector 1 pin A23. for the parts that I have. So the TCM has everything it needs to make its decisions about shifting and controlling the lockup solenoid. We chose the third option. Where are these located on our Jeep? Efficiency is lost if it gets covered in mud.) You will only need to identify the brake switch sense wire. First lets look at the pin diagram of the gray 8 way connector coming from the Transmission Range Sensor. So we put a few bolts on the TC and started to pull it together..all went well and it did go together with not too much effort. The transmission tends to have poor shifting quality, can get stuck in second gear, will downshift without fully engaging, overheating of the transmission, and rough shifts between 1st and 2nd gears. We need to connect pin 23 on the TCM plug to this wire. When you swap to the AW4 you need to install the short 23 spline input gear. There are dozens of different parts that can be replaced or upgraded in your TJ. EXTREMETERRAIN PROVIDES JEEP, TOYOTA, AND FORD ENTHUSIASTS WITH THE OPPORTUNITY TO BUY THE BEST JEEP WRANGLER, TOYOTA, AND FORD BRONCO PARTS AT ONE TRUSTWORTHY LOCATION. I hope all of this info helps somebody..LOL This tells the TCU that the transmission is in reverse. We need to connect Pin 24 from the TCM to either one of these. Removal..went without a hitch doesnt it always? I bought an Autometer gauge for around $38. SPONSORED. There is only one way to install this. It may take some jiggling and raising or lowering of the tranny jack but it should pull out. Heres what happensit runs perfect!! The X spline is cut for the full length of the spline stub. Both of them used a chisel to break it. Mount a remote auxiliary cooler. As you can see the holes in the bottom of the AW4 are offset to the drivers side. We have seven wires coming from the TRS. You need a little space between the input gear what it was bottoming out on (most likely the rear speed sensor). above method. Mount an auxiliary cooler in front of the radiator. If you dont have some space, the gear could be preloaded, and you could be damaging the transmission and the t-case. 1 wire runs from the sensor to the gauge. We then cleaned up the holes. Then the brass fittings from the temperature sensor screw into the pan. It needs to connect to Pin 12 on the TCM plug. Its purpose is to apply 12 volts to pin 9 on the TCM telling the TCM that the shifter is in the 3 range. Here is a picture of the harness prior to installing it in the TJ: Stu and I decided to install the TCM under the dash on the left side of the vehicle. Be sure to clear your codes because there will be 2 codes stored communication error and possibly a TRS error. It has been used in various GM cars and trucks over the years. Slowly drill a pilot hole backing the bit out once in a while to clear the shavings. All of the hard work has paid off. You can definitely see the difference. Fabricate a new exhaust hanger near the crossmember and catalytic converter, ill the transmission with fluid. Check out this guide. Pin 24 Ground This is a black with tan strip wire. But if you then try to scan for the error code you get nothing. Its really up to you. Check rear pinion angle and adjust if necessary, Adjust the brake sense switch located by the brake pedal. 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. Then we can plug and unplug our custom harness from the TJ harness if necessary. I have also read that this can add 20 degrees to the cooling system. You might have to dead short the neutral safety switch. Since the engine was manufactured by GM, it has a . Pull off the T handle so you can install the shift indicator panel. Lets start out with the basics. http://www.thebassetts.us/Jeep/AW4/AW4_files/page0001.htm The general consensus is that the Teralow 4:1 is just too low with the torque converter. Pin 7 CCD BUS (+) This is part of the information bus used by the XJ TCM and PCM to share OBD2 information. Notes: Jeep used literally 14 different versions of this transmission, each with slightly different configurations of input and output stickout lengths and gearing. The CCD bus + and circuits are for communication between all of the OBD2 devices in the vehicle including PCM, TCM, airbag module, andsentry immobilizer key. It is a TJ with an auto and works great the way it is set up. Pin 1 Input Speed Sensor Ground This is a violet with light green stripe. Free shipping on many items | Browse your favorite brands . This will tie into the wire bundle coming out of the TJ PCM on connector 1 pin A31 or A32. Not to mention the transfer case is clocked lower in the XJ so you need to redrill the back of the AW4 to correctly clock the TJ's transfer case. I drilled 2 holes not quite as big as the bushing is wide into the bushing. To test your convertor in 3rd gear. ***There is one more little step that we cant forget to overlook. WILL THESE OTHER TRANS. I think I will stick with my small brake pedal. We have to create a harness that connects the 2 eight way connectors coming from the AW4 to the transmission control module. Ships from 3rd Party. 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