I crawled under my Jeep and noticed oil on the cross member. I did not take as many pics of this part of the install. This was not all that easy. This is the clutch interlock ignition bypass. I shifted down to 4th and things were a little better. Consent to receive text messages for these purposes is not a condition of any purchase, service, or sweepstakes entry. It just was not making sense. We have seven wires coming from the TRS. Stu Olson and I picked up the AW4 on a Monday afternoon. That is Bob Basset of California, also known as Scratch on JU. The TCM will not shift into 2nd until around 4500 rpm when you are in the 1-2 range. Everything is going really well so far. WILL THESE OTHER TRANS. Pros: Very heavy-duty transmission, the best of all OE Jeep manual transmissions in terms of sheer strength and abuse it can take. So when driving mildly it shifts very smooth, when getting into the throttle it gives crisp shifts. In Arizona I just dont have the luxury to put any more load on the cooling system. I have already upgraded every single cooling system component including an electric pusher fan. If you are not good with wiring find a friend that is! Here are the measurements from the snap ring after the input shaft was removed. It needs to connect to Pin 1 on the TCM plug. But if you then try to scan for the error code you get nothing. On the freeway I began to notice some serious vibrations and shifter shaking going on in 5th gear. I would recommend that you line up your holes on the drive plate with those on the torque converter prior to lifting the AW4 into position. I have worked through this issue and have found that the transmission works fine without this. Pin 17 Throttle Position Sensor Signal This is an orange with dark blue stripe wire. Once the pilot holes were complete we drilled the larger holes. Refer to FSM for more details. Pin 1 TRS 1-2 Sense This is a violet with white stripe wire. CJs built from '80-'83 with the GM 151 have some interesting options. My rear driveshaft is actually 2 inches longer than it was before. 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. If you dont remove all of them you will find yourself cursing at the point you try to free the tranny from the engine. Any of the above choices will work. All of the hard work has paid off. 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. My wife, Theresa This woman has a lot of patience. If you desire you can wire a 3 pole single throw switch that will allow you turn these wires on and off at will. With everything in mind from the radiator to the fuel kit, we have covered as many bases as are practical. Mount an auxiliary cooler in front of the radiator. It has 26 pins, some of which go the black or gray 8 way connectors, the TJ harness, and a fused power source from the battery. I would highly suggest giving them a try. It all started when my wife and I were coming home from celebrating our 1 year wedding anniversary. You can see the auto pedal that we are going to install. This is basically how the Cherokee is wired up. Thank you for the support! Measure the AX-15 with calipers to find out. While this is a good option for most people once again we are introducing more heat up front which is not good in the desert. I drove it all over the place and then some. The input and output speed sensors are used by the TCM to calculate the shift points whether they be up or down. All Rights Reserved Pin 3 Fused Ignition Switch Output (Run-Start) This is a white wire. Once the bushing and bearing are completely removed use a small file and some very light sandpaper to make the inside surfaces smooth again. It was interesting to find out that the pedal assembly was modular. You will need them! Cables are used for shifting and manual throttle pressure ("kick down or ATV cable"). Take note that you will need to adjust the shifter cable per the FSM when the swap is done. Its a lot easier to do before the AW4 is bolted in.). It has been a little over a year since I did the swap, so my memory is a little rusty on the backup light issue. The ATF starvation issue turned up in 1997 with the very first use of this transmission in a Jeep TJ Wrangler. In my case that is a 99 TJ and 00 XJ. I already had a Prothane poly tranny mount that I wanted to keep. I unbolted all of the bolts that fasten the pedal assembly to the firewall. They are below. Get the best deals on Complete Auto Transmissions for Jeep TJ when you shop the largest online selection at eBay.com. 1 wire runs from the sensor to the gauge. It needs to connect to Pin 13 on the TCM plug. Then I used a sharp chisel to break the bushing at the holes. Remove the transmission. I had been fighting an OBD2 code I kept getting from the tranny. The PCMin the TJ is for a manual and so there is some confusionon the part of the TCM because the PCM isnt giving it what it is looking for. This will tie into the wire bundle coming out of the TJ PCM on connector 3 pin C24. Install the AX15 transfer case linkage bracket. Another loose end, so to speak, is the reverse lights. Traffic speed is varying between .5 and 85 MPH. Master Rebuild 231 Kit. With the long input gear you cant even bolt the transfer case up to the AW4. Jeep TJ/LJ 5.7L Hemi Auto Transmission Mount Bracket Kit 9706 Wrangler. I sure had a lot of fun. Both Automatic and Manual Transmission. Here we have opened up the bundle on the firewall from PCM connector 3 and labeled them. Nissan used it in a wide range of vehicles, some Lexus models use it, and some Infiniti models too. Jeep TJ 1997-2006 Chrysler TorqueFlite A-904 & A-727 Jeep Wrangler JK 2007 - Present Jeep 4X4 Performance Handbook . I think I will stick with my small brake pedal. Pin 1 Input Speed Sensor Ground This is a violet with light green stripe. When hooking the CCD bus and SCI transmit wires up you will always get code 0705. Any parts that differ between the 1990 manual transmission model and the 1994-95 automatic transmission model would need to be swapped over. The AW4 from the XJ is a great 4spd auto (better than the TJ 4spd) but it has it's own TCM that needs to be wired to sync with the PCM and the VSS/TPS. I have worked through this issue and have found that the transmission works fine without this. 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. Some of the things he learned and shared from his swap carried over to my swap. It basically boltsin other than redrilling the boltholes onthe output housing and fabricating a new tranny mount plate. It receives its signal from the Transmission Range Sensor. In the final product I eliminated the top holes that are crossed out in green and drilled new holes in the mount as shown in red. This went well..we did not heat it up a lot, went slow, and used lots of cooling water. 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. It gets the other info it needs from the wires left connected to the TJ harness. Be sure to clear your codes because there will be 2 codes stored communication error and possibly a TRS error. After not owning one for several years I got the bug again and decided to go buy one. Now theTCM I think is getting everything it needs too. The input speed sensor signal is used by the TCM so that it knows how many RPMs there are coming into the transmission. Next was the taking the TC apart to get the input gear out to get it shortened. Free Shipping Offers are for Standard Ground Delivery Service and are only valid for shipping addresses within the 48 contiguous United States. This tells the TCU that the transmission is in reverse. SPONSORED. Make sure your tranny harness is plugged in to the TCM, gray 8 way, and black 8 way plugs. The 42RLE transmission is known to be problematic. Since the engine was manufactured by GM, it has a . We can cool the tranny fluid without introducing any more heat up front. Like I said before, this is only temporary!!! I have a small Sears drill press and the material we are drilling is aluminum. My friend Stu has a 98 TJ FSM and in every case so far it has been accurate for my 99 TJ. The wires coming out of the TRS are different colors than those on the harness side. FREE 2 or 3-Day Delivery on 10,000+ Items. 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. Lets take a close look at what each pin does and where it needs to go. It has been used in various GM cars and trucks over the years. Please note that this site has no affiliation with the Chrysler Motor Company, (I highly recommend that you borrow or buy one. We need to connect Pin 24 from the TCM to either one of these. Im not going to go into a lot of detail on the steps necessary to remove the AX15. Sitemap Novak offers the most complete Jeep TJ swap kit that we know of. Use this information at your own risk. Hey Biff, glad everything is working great so far. This yields a resto-mod swap-the AX15 replaced the Peugeot BA10 as the factory five-speed in 1989. Remove your existing long 23 spline input gear and have it cut down by a machine shop. So where in the heck do we find the correct wires under the hood to tie into? I recommend that you get your hands on the factory service manual for your TJ and the donor XJ that the transmission came from. This information can be found in the factory service manual. So now I thought I had not ground enough..so we started grinding. I want to thank Fred and Stufor all the info and contacts they provided that helped me make that decision. But Ill try to get you pointed in the right direction. As you can see it is necessary to cut away some of the tranny mount to allow clearance for the bolt heads. Below are some pictures of our work. (I do not recommend connecting the CCD bus or SCI transmit wires. I bought this one at Harbor Freight for $69. It was no longer available behind the 2.5L engine. The output speed sensor signal is used by the TCM so that it knows how many RPMs there are coming out of the transmission. View Terms & Privacy Policy. Pin 8 Ground This is the ground necessary to complete the Park/Neutral circuit. It needs to connect to Pin 4 on the TCM plug. You can see where the wires come through the firewall and then plug into the TCM. The S spline is a conventional spline stub that will yield a safe, effective and usable stroke of 3". The cost was $40 for both vehicles. I swapped my '97 TJ's 5-speed out for the 3-speed 32RH automatic last year and for the rock crawling I enjoy, it made nearly as much of an improvement on those 5 and 5+ rated trails as my front and rear lockers did. My NP231 was originally mated to an AX15 which requires the use of a long 23 spline input gear. 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. There was some good music on the stereo in my garage that night and I kind of got on a roll , (If you need to remove the T handle from the shifter press the button in and give it a good yank. This will make it alot easier to find the first hole. Now that everything is working correctly we will solder some pigtails into the TJ harness that will end at some Molex connectors. $689.99. Like I said earlier, this is entirely up to you. Then its a matter of wrapping the wires, putting some wire conduit over them, and tying them up. It needs to connect to Pin 1 on the gray 8 way plug. It needs to connect to Pin 4 on the black 8 way plug. Both Automatic and Manual Transmission. It was now a matter of soldering in some wires to create the harness. I just took it on its first 50 mile drive. HX35, 5x.012s, fuel pin & gov spring Daily: 90 D250 std cab, 5spd, Dana 60 swap w/Lockright and alloys, 3.54 Project: 84 .Dana 35 Ring Gear and . Receive text messages for special offers and discounts. Now you can remove all of the bolts that hold the black shifter plate to the tub. This site uses cookies to provide you with the best experience possible. Im assuming you already routed and tied up the harnesses above the transmission and transfer case. Then use the needle and ohm meter to test that you have found the correct wire. It needs to connect to Pin 12 on the TCM plug. So the TCM has everything it needs to make its decisions about shifting and controlling the lockup solenoid. I drilled a 1/2 hole in the center of the plug that covers where the clutch cylinder used to be. Save my name, email, and website in this browser for the next time I comment. Its time to deal with the cooling issues. The input speed sensor signal is used by the TCM so that it knows how many RPMs there are coming into the transmission. I found this to be the most enjoyable part of the swap though. 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. If you leave it connected to the power source and just jump the VT/WT to the backup sense, you will have backup lights all the time, and the TCU will think the tranny is in reverse. Message frequency may vary. What else can I say? 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. We need to completely remove this from the TJ for good. | So I sent the shaft off to get 3/4 taken off. (97-02 2.5L Jeep Wrangler TJ) $2599.99 (1) TF6 Transmission Rebuild Kit (87-03 Jeep Wrangler YJ & TJ) $254.99 (5) Automatic Transmission Throttle Valve Cable (97-02 2.5L or 4.0L Jeep Wrangler TJ) $48.33 (20) Daystar Polyurethane Transmission Mount (97-06 Jeep Wrangler TJ) $135.00 AX15 Transmission Master Kit (88-99 Jeep Wrangler YJ & TJ) $440.00 We are now looking at the mount from the bottom side. From under the hood pull the master cylinder and clutch cylinders back. Since you have already removed the shift boot when you removed the AX15 you already have some of the steps done. Is the range selector in Park or Neutral? It will pull out allowing you to install the indicator panel.). I might need to re-point my pinion angle. All of these devices have a SCI transmit wire going to the Data Link connector though the PCM also has a SCI receive wire. Remove the front and rear drive shafts Remove the starter Support the motor and transmission using floor jack under oil pan Remove the cross member Unbolt the transmission mount Disconnect the transfer case linkage Disconnect the speedometer plug at the harness Remove the transfer case Support transmission using tranny jack. I wasnt ready to go rock crawling quite yet. http://www.stu-offroad.com/engine/aw4.htm. Pin 13 Transmission Solenoid B This is an orange with white stripe wire. The PCM is happy thinking it still has a manual tranny behind it. It will tie into the wire bundle coming out of the TJ PCM on connector 1 pin 31 or 32. This will tie into the wire bundle coming out of the TJ PCM on connector 1 pin A4. Both 4.03 and 6.32 First. Its purpose is to apply 12 volts to pin 18 on the TCM telling the TCM that the shifter is in the reverse range. I will go into more detail on this later in the write up. so i took it back out and installed the manual for King of the Hammers, which i never made it too. Re: TJ 3-speed to 4-speed AT swap. They were of no help to me. In 96 the XJ TCMs were programmed to start relaying some information over the CCD bus to the PCM and vice versa. The other 4 holes need to have some studs welded in so that the tranny mount can bolt to the plate. Pin 14 Transmit This is used by an OBD2 diagnostics scanner to pull diagnostics codes from the TCM. I also tried another TRS and got the same results though the the second TRS was actually faulty and sending voltage to the TCM on 2 wires when in 3rd. Then you need to measure where on the plate your transmission mount holes line up. Before that, the YJ 2.5's only came as manuals. There are 4 holes in a TJ manual tranny mount. This is the beginning of a couple of days of road testing. We did have to lengthen the harness but this was not an issue at all. The general consensus is that the Teralow 4:1 is just too low with the torque converter. I cant remember the bit size we used. So the TCM knows the engine RPM, and of course the output RPMs. I got off at the next freeway exit. This will probably require you to lengthen your front driveshaft and shorten your rear driveshaft. I have never received a response back from them. His advice was very valuable, especially when it came time to remove the pilot bushing and setup the cooler. You can replace these with standard bolts if you like. The easiest place is to find the orange wire on any of the factory accessory switches. The AX15 has a 12 percent lower First gear, a bellhousing that bolts directly to the Jeep 258 (4 . Snap the XJ shift indicator panel into the center console. (Dont ask how I know this!) Rather than tear apart the power distribution center I chose to run this straight to the battery positive terminal. The following comments were extracted from a thread on JeepForum.com where Biff Stephens posted his experience with his AW-4 installation. Got the input shaft back at noon the next day. Its purpose is to apply 12 volts to pin 9 on the TCM telling the TCM that the shifter is in the 3 range. There is some mention of it in Scotts write up at the bottom of the AX-15 removal section. Lets sort them out. It was either swap or live with the manual. It was very perplexingso I found this, http://www.novak-adapt.com/knowledge/np231.htm. I think the convertor will lock in 2nd too, but I am not sure and it would be hard to test using the Thats before you even factor in the cost of the tranny. Its entirely up to you and your needs. Fred Wilson Fred is from Tucson, AZ. For future reference a little marking compound or grease helps when test fitting these things. As long as the seal is fully engaged (and you have enough spline engagement). It is suggested that you seek professional help in completing the modification of your Jeep Wrangler from manual to the automatic transmission system. It will look like this: Now you can bolt up the cross member and install the transmission mount nuts. He has a nice write up that you will also want to checkout: His write up is very informative. 1997-2002 Jeep Wranglers TJ Chevy V8 Engine. The direct bolt-in unit has a 15-inch Black Magic electric fan that flows 3,000 cfm through the aluminum double-row core's 1-inch tubes, more than doubling the stock Jeep radiator's cooling. Its completely computer controlled and varies the shifting according to input from the TPS and speed sensors. 2009 jeep wrangler 2.8 crd sport unlimited 4wd euro 4 4dr convertible diesel man. Look at the wiring harness where the AX15 once was. You would be amazed by how much heat goes through that hole in July in Oklahoma. First it completes the circuit for the backup lights. Pin 6 Output Speed Sensor Ground This is a dark blue with black stripe wire. ), Your email address will not be published. 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. This connector does 2 things. The solenoids are used by the TCM to shift the transmission. I had some 3/8 countersunk bolts on my shelf so I decided to use these. It's an easy swap to do. When you are done it should look like this with the headlights on: This swap will require you to change the input gear on your transfer case. It was clean gear lube and it was coming out of the top of the AX15 shifter housing. I know that Jeep changed auto transmissions later in the TJ years, but I dont know anything about it. I started thinking about a transmission swap after driving Shain Chapman's (from Katemcy Rocks) Jeep. Stick with the 5 speed cheaper and readily available. It cost more than I had planned but it was done and I was ok with that. I had one concern when I read what you posted about mounting your np231. http://www.thebassetts.us/Jeep/AW4/AW4_files/page0001.htm We have to create a harness that connects the 2 eight way connectors coming from the AW4 to the transmission control module. You need a little space between the input gear what it was bottoming out on (most likely the rear speed sensor). The solenoids are used by the TCM to shift the transmission.
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