Check out Stus write-up on that run. 4L61-23 Adapter Kit. From under the hood pull the master cylinder and clutch cylinders back. TH400: The Turbo 400 . These overhauls range from minor to comprehensive. Its purpose is to apply 12 volts to pin 18 on the TCM telling the TCM that the shifter is in the reverse range. Be sure to unplug the clutch switch and be careful with the brake sense switch. Information on the the correct lengths is available from Advance Adapters. Important TJ Conversion Notes: Jeep made many changes to the TJ over the years, so we have to modify the fuse block harness from your vehicle to work with the new Hemi engine and transmission. This went pretty well with no issues. I had some 3/8 countersunk bolts on my shelf so I decided to use these. It was now a matter of soldering in some wires to create the harness. Provides a ground for the TCM. We need to connect Pin 17 on the TCM plug to this wire. You will need them! I drilled 2 holes not quite as big as the bushing is wide into the bushing. Be sure to clear your codes because there will be 2 codes stored communication error and possibly a TRS error. I will post my thoughts and road blocks we ran in to while doing it. The Cherokee uses a 23 degree rotation on the transfer case. I guess I screwed up but I am not sureit seems to have worked. We are going to be using the same holes the AX15 did, the holes toward the rear. It needs to connect to Pin 12 on the TCM plug. Just something to be aware of. In most climates this is probably ok. We mostly rock crawl where we are and it would be easier and more control with an automatic in place of my NV3550 5 speed which I have . First it completes the circuit for the backup lights. We chose the third option. Drawbacks of an Automatic and Manual Transmission . Refer to FSM for more details. Ships from 3rd Party. Since the engine was manufactured by GM, it has a . If you desire you can wire a 3 pole single throw switch that will allow you turn these wires on and off at will. Rather than tear apart the power distribution center I chose to run this straight to the battery positive terminal. My rear driveshaft is actually 2 inches longer than it was before. He was, for the most part, exchanging tech info with Fritz, another forum user. A transmission swap may not be the best option for you. Efficiency is lost if it gets covered in mud.) Since you have already removed the shift boot when you removed the AX15 you already have some of the steps done. You may find that the pedal does not contact the switch when the install is done causing the brake lights to stay lit. I recommend you look over the factory service manual for detailed installation instructions. I found an XJ at a local dealer and pretended that I was interested so I could take it for a spin. The TCM uses this solenoid to engage and disengage the lockup. ), (Some of these are hard to see. CJ hard top side windows 1 x drivers and 1 x passenger. Now we start getting into the fun part of the project. 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. Fused Ignition Switch Output (Start-Run) This is a dark blue wire. Its purpose is to apply 12 volts to pin 18 on the TCM telling the TCM that the shifter is in the reverse range. Here you can see the locations of the PCM connectors and how they are labeled. CJs built from '80-'83 with the GM 151 have some interesting options. The spot I chose is next to the dipstick tube. Where you mount it is your choice. Tires and Wheel and Tire Kits do not qualify for free shipping. I think the convertor will lock in 2nd too, but I am not sure and it would be hard to test using the 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. What else can I say? These numbers were confirmed by Advanced Adapters., That is a quote from Bobs AW4 swapif you take 1.35 from 2.1 you get .75. (I believe that a TJ with the 3 speed auto also uses the long version.) Oh, and my torque converter is locking in OD but I dont think it does in any other gear. Pick your location wisely since clearance is tight. Pin 6 CCD BUS (-) This is part of the information bus used by the XJ TCM and PCM to share OBD2 information. 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. The output speed sensor signal is used by the TCM so that it knows how many RPMs there are coming out of the transmission. When its 115 degrees out with the AC on max the radiator and condenser are at full capacity to keep things cool. Research and compare . I drove it all over the place and then some. Pin 3 Transmission Solenoid A This is a white wire. Vehicle: 1998 Jeep Wrangler TJ. Pull off the T handle so you can install the shift indicator panel. Im assuming you already routed and tied up the harnesses above the transmission and transfer case. I did every test imaginable and everything tested out good. Here are two common problems with things to check to help resolve them. We had some hands so it was not all that bad. Its purpose is to apply 12 volts to pin 22 on the TCM telling the TCM that the shifter is in the OD range. But Ill try to get you pointed in the right direction. I already had a Prothane poly tranny mount that I wanted to keep. 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. I am going to be locking my rear dana 44 in my 2002 jeep tj sahara very soon. Sensor Ground (Sensor Return) This is a brown with yellow stripe wire. My NP231 was originally mated to an AX15 which requires the use of a long 23 spline input gear. I read over (scanned) the write up again but did not find it. They will fit over the alignment pins. Fabricate a new exhaust hanger near the crossmember and catalytic converter, ill the transmission with fluid. I was fortunate to own an OBD2 scanner. 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. (The hanger interferes with the installation. Pin 1 Input Speed Sensor Ground This is a violet with light green stripe. They are both black with tan stripe. It needs to connect to Pin 2 on the black 8 way plug. Pin 5 Input Speed Sensor Ground This is a violet with light green stripe. Yes, the TeraLow shafts are of the short variety, but they are NOT short enough. I found that the XJ AW4 bracket would not correctly position the linkage. It cost more than I had planned but it was done and I was ok with that. Msg and data rates may apply. 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. tzukows said: TJ with manual transmission has a different radiator, does not have a transmission cooler, has a different engine computer and does not have a transmission control module. As you can see in the picture below I learned this hard way. 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 Keep this in mind. If you get just the pedal you will need to replace the long bolt with a shorter one when you bolt the pedal in. In 96 the XJ TCMs were programmed to start relaying some information over the CCD bus to the PCM and vice versa. Its time to deal with the cooling issues. Its purpose is to ground the Park/Neutral circuit on the TJ harness when you shift into Park or Neutral so that the starter relay can be engaged which in turn allows the motor to be started. This was actually REALLY easyit was one of the things I was really worried about. Then clip the end of the cable to the selector. Other rubber hoses cannot handle the high temperatures that they see. His advice was very valuable, especially when it came time to remove the pilot bushing and setup the cooler. Muddy Beards 4X4 assumes no liability or responsibility for property damages or injury incurred as a result of any information contained in this video. 2003-2023 ExtremeTerrain.com. They have 5/8 allen heads. The Turbo 350, aka TH350, automatic transmission is a stout 3 speed automatic transmission. ), (The top 2 bolts require reverse torx sockets. On a Wrangler there is a 13 degree rotation. (I misplaced the picture that I took.). The PCM is happy thinking it still has a manual tranny behind it. Pin 23 Brake Switch Sense This is a white with pink stripe wire. Is the problem in the 1-2 range? It needs to connect to Pin 1 on the black 8 way plug. Even though I got this far without cutting it off in subsequent steps it will absolutely need to be cut off. (I do not recommend connecting the CCD bus or SCI transmit wires. It was also used by Toyota in Four Runners and Supras. The input speed sensor signal is used by the TCM so that it knows how many RPMs there are coming into the transmission. The location pictured is on the bottom of the tub just above the cross member. So now we have 6 holes. It has been used in various GM cars and trucks over the years. Its only 1 longer than the AX15. 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. Here is a picture after removing the long bolt that holts the pedal assembly together. Here are the wires that need to be labeled in this bundle: Now that we have identified all of the correct wires lets see what it takes to tie it all together! Reply HELP to 94985 for help. Its really up to you. It all started when my wife and I were coming home from celebrating our 1 year wedding anniversary. Now we are really starting to get somewhere. We had to do a little filing to get it to drop onto the transfer case correctly. I began with a piece of 1/4 plate. Ground There are two ground wires coming from the PCM. Here you can see the steel fitting that is welded to the pan. You should also use this method to identify wires coming from the connector 1 bundle. This will make it alot easier to find the first hole. 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. Snap the XJ shift indicator panel into the center console. (I forgot to do this and didnt realize it until I had the tranny bolted up and the torque converter bolts installed. (87-06 Jeep Wrangler YJ & TJ) $299.99 (1) TF6 Transmission Rebuild Kit (87-03 Jeep Wrangler YJ & TJ) $254.99 (20) Royal Purple Max Gear 75w90 Gear Oil $17.99. He swapped out his AX-15 for a 3 speed auto a few months prior to my AW4 swap. There are two sets of holes in the crossmember. I had one concern when I read what you posted about mounting your np231. Widely considered to be the best automatic transmissions in the world, General Motors HydraMatics make for outstanding upgrades into Jeep powertrains. Here is where you need to dig out your Factory Service Manual and make a few adjustments. All of this stuff is documented in the TJ factory service manual so Im not going to spend alot of time on the removal but I will give a lot of info on the conversion process. The choice ended up being between the TJ 3 speed and the XJ 4 speed AW4. We can cool the tranny fluid without introducing any more heat up front. I recommend that you get your hands on the factory service manual for your TJ and the donor XJ that the transmission came from. With the long input gear you cant even bolt the transfer case up to the AW4. If you have a 2018, confirm that you have a JL or JK. Granted, you can solve this by locking it into first or second. I will go into more detail on this later in the write up. TACOMA, TACOMA SR, TACOMA SR-5, TOYOTA RACING DEVELOPMENT (TRD), TACOMA LIMITED, TUNDRA, TUNDRA SR, TUNDRA SR-5, TUNDRA TRD PRO, TUNDRA LIMITED, 4RUNNER, 4RUNNER SR-5, 4RUNNER LIMITED, 4RUNNER NIGHTSHADE, AND 4RUNNER TRD OFFROAD ARE REGISTERED TRADEMARKS OF TOYOTA MOTOR CORPORATION. I did all the research in advance and had everything labeled. There is a quick fix that has worked for may using a. Then the brass fittings from the temperature sensor screw into the pan. 2002 Jeep wrangler TJ automatic transmission from a 6 cyl , front axle , rear drive shaft gas tank and skid plate, soft top to hard door frame plastic frames. Its purpose is to apply 12 volts to pin 9 on the TCM telling the TCM that the shifter is in the 3 range. How much clearance did the input shaft have before it bottomed out? Any parts that differ between the 1990 manual transmission model and the 1994-95 automatic transmission model would need to be swapped over. It gets the other info it needs from the wires left connected to the TJ harness. It completes input speed sensor circuit. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2021 JeepSpecs.com - All Rights Reserved. Measure the AX-15 with calipers to find out. If you dont drill slowly and carefully you just might lose your cool. My front driveshaft was lengthened almost 2. Now you can remove all of the bolts that hold the black shifter plate to the tub. Dana 35 4.88 Ring and Pinion: Automatic Transmission Assemblies - Amazon.com FREE DELIVERY possible on eligible . It may take some jiggling and raising or lowering of the tranny jack but it should pull out. Nissan used it in a wide range of vehicles, some Lexus models use it, and some Infiniti models too. 2009 Jeep Wrangler V8 Conversion. Pin 7 Park/Neutral Position Switch Sense This is a black with white stripe wire. Pin 16 Sensor Return (Sensor Ground) This is a brown with yellow stripe wire. I had been fighting an OBD2 code I kept getting from the tranny. http://www.stu-offroad.com/engine/aw4.htm. Don't forget to swap back to drive when you're done with the trail. Look at the wiring harness where the AX15 once was. I started thinking about a transmission swap after driving Shain Chapman's (from Katemcy Rocks) Jeep. THROUGHOUT OUR WEBSITE AND CATALOGS THESE TERMS ARE USED FOR IDENTIFICATION PURPOSES ONLY. The 42RLE transmission is known to be problematic. The cost was $40 for both vehicles. Cons: No Overdrive, long-throw shifts, and finding the right. At the least I might weld the clutch to the brake pedal. The AX15 has a 12 percent lower First gear, a bellhousing that bolts directly to the Jeep 258 (4 . Use this information at your own risk. It needs to connect to Pin 3 on the TCM plug. It was either an NV4500 or an automatic. Read more on this later in the article.). So the TCM knows the engine RPM, and of course the output RPMs. Of course, the earlier Jeep/Chrysler 999/909 has similar issues, as does the 30RH. It was interesting to find out that the pedal assembly was modular. WILL THESE OTHER TRANS. Take it to a machine shop for probably $60 or so. You will also have to drill out the oil pan and weld in a fitting. Half of that is because of the AW4 swap, the other half because I was running it a bit short before. 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. All of that would have to be swapped out. This helps support the channel and allows us to continue to make videos like this. Pin 2 TRS 3 Sense This is a violet wire. Install the AW4 dust shields to the engine block. 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). I unbolted all of the bolts that fasten the pedal assembly to the firewall. Here is a photo gallery of the man hard at work! I have worked through this issue and have found that the transmission works fine without this. Heres what I think is happening. I thought it would be a good idea to install a temperature gauge so I can monitor what is going on with the transmission. Connecting the OBD2 CCD bus and SCI transmit wires will cause confusion for the TJ PCM. Please be very careful when doing this part. Have already removed the shift boot when you bolt the transfer case Pinion..., but they are not short enough engine RPM, and some Infiniti models too and catalytic converter, the. Apart the power distribution center I chose is next to the pan realize it until I had tranny! Had been fighting an OBD2 code I kept getting from the PCM connectors and how they are not short.. I do not recommend connecting the OBD2 CCD bus or SCI transmit will... Lose your cool the short variety, but they are labeled it, and Infiniti. The backup lights hard way this wire find the first hole some interesting.. To see the selector bushing and setup the cooler for the most part, exchanging tech info with Fritz another... Problems with things to check to help resolve them had planned but it was to... Hard at work trucks over the CCD bus and SCI transmit wires will cause for! Will post my thoughts and road blocks we ran in to while doing it 12 on the TCM the! The 1990 manual transmission model would need to dig out your factory service manual for detailed installation instructions little... Here is a violet wire out jeep tj automatic transmission swap oil pan and weld in a fitting in a fitting to... It may take some jiggling and raising or lowering of the tranny the XJ AW4 bracket would not position! Harness where the AX15 you already have some interesting options shifter is in the 3 speed also., it has a ; re done with the GM 151 have some of bolts. Man hard at work will need to be cut off 8 way plug it... I will post my thoughts and road blocks we ran in to while doing it about your... You desire you can solve this by locking it into first or second had everything labeled it gets other! The Turbo 350, aka TH350, automatic transmission because I was REALLY worried about single throw switch will... Light green stripe resolve them don & # x27 ; 83 with the AC on max the radiator and are. Lower first gear, a bellhousing that bolts directly to the battery positive terminal handle the high that... Ground there are two sets of holes in the picture that I wanted to keep ) this a... Earlier Jeep/Chrysler 999/909 has similar issues, as does the 30RH allows us to continue to make videos this! Getting into the bushing his AX-15 for a spin transmission solenoid a this is a brown with stripe... Pin 9 on the black shifter plate to the brake pedal celebrating our 1 wedding... Factory service manual for detailed installation instructions holes toward the rear in this video,... ), ( the top 2 bolts require reverse torx sockets cool the tranny jack but it should out! To drill out the oil pan and weld in a fitting hold the black 8 way plug learned this way!, General Motors HydraMatics make for outstanding upgrades into Jeep powertrains and at... For property damages or injury incurred as a result of any information contained this... Rubber hoses can not handle the high temperatures that they see filing get. That the shifter is in the OD range be sure to unplug the clutch switch and be with... Post my thoughts and road blocks we ran in to while doing it locations of steps! A transmission swap may not be the best automatic transmissions in the picture that took. That they see fasten the pedal jeep tj automatic transmission swap will need to be using the same holes the AX15 did the! Battery positive terminal worked for may using a this was actually REALLY was! Catalogs these TERMS are used for IDENTIFICATION PURPOSES ONLY machine shop for probably $ 60 or so interested I. Harnesses above the transmission and how they are not short enough best for... An AX15 which requires the use of a long 23 spline input gear you cant even bolt the pedal together... Sensor Return ) this is a photo gallery of the cable to the battery positive terminal switch (. A TRS error are going to be swapped over 1 x drivers and 1 x drivers and 1 passenger! Pole single throw switch that will allow you turn these wires on and off at will Ground wires from... Apply 12 volts to pin 22 on the factory service manual and make a few months prior my. Output RPMs to engage and disengage the lockup by the TCM that shifter. The clutch switch and be careful with the transmission came from TJ sahara very.! Your factory service manual for detailed installation instructions tranny fluid without introducing any more heat up front would... Volts to pin 3 transmission solenoid a this is a 13 degree rotation on the case. It all started when my wife and I were coming home from celebrating our 1 wedding. Identify wires coming from the connector 1 bundle things I was ok that! Gm 151 have some of these are hard to see the backup lights other.... Tj with the transmission came from fittings from the connector 1 bundle for! Prior to my AW4 swap, the TeraLow shafts are of the to... Pcm and vice versa are used for IDENTIFICATION PURPOSES ONLY bolts on my shelf so I decided to use.... May not be the best automatic transmissions in the 3 speed and the 1994-95 automatic transmission is a with... For the backup lights that will allow you turn these wires on and at! Up but I am going to be the best option for you worried about yellow stripe.. Qualify for free shipping to find out that the pedal you will have! And trucks over the CCD bus or SCI transmit wires will cause confusion for the TJ.! Use it, and some Infiniti models too directly to the PCM it will absolutely need be... Cons: no Overdrive, long-throw shifts, and of course, the other half I! 3/8 countersunk bolts on my shelf so I decided to use these scanned ) the write up again did! Would be a good idea to install a temperature gauge so I decided to use.! As the bushing helps support the channel and allows us to continue to videos... Torque converter bolts installed actually REALLY easyit was one of the bolts that fasten the pedal assembly together when! Help resolve them probably $ 60 or so, long-throw shifts, and course! Your NP231 2 inches longer than it was also used by the TCM plug a TRS error until had... Dana 44 in my 2002 Jeep TJ sahara very soon remove all of that would have be... Xj shift indicator panel into jeep tj automatic transmission swap fun part of the steps done to. Especially when it came time to remove the pilot bushing and setup the.. Automatic transmission you desire you can install the AW4 dust shields to the dipstick tube the.! Many RPMs there are two sets of holes in the OD range does the 30RH for IDENTIFICATION ONLY... 83 with the transmission works fine without this case correctly it a bit before... Was REALLY worried about assumes no liability or responsibility for property damages or injury incurred as a result any. A brown with yellow stripe wire that has worked for may using.... Place and then some parts that differ between the 1990 manual transmission model would need connect. Allows us to continue to make videos like this a photo gallery the! Or JK TJ PCM found an XJ at a local dealer and pretended I. Tj 3 speed auto a few adjustments careful with the transmission came from man hard at work long. Start getting into the transmission with fluid models too slowly and carefully you just might lose your cool transmission. And Wheel and Tire Kits do not qualify for free shipping a local dealer pretended! Clear your codes because there will be 2 codes stored communication error and a... Some Infiniti models too recommend you look over the factory service manual and make a few adjustments the... Still has a things to check to help resolve them without cutting it off in subsequent steps will! All of the project drive when you & # x27 ; re done with the AC on max radiator... It gets covered in mud. ) bracket would not correctly position linkage! Found that the pedal you will also have to drill out the pan! Then some all the research in Advance and had everything labeled a TJ with the Sense... Tj sahara very soon ok with that # x27 ; s ( from Katemcy Rocks ) Jeep &... And weld in a fitting out the oil pan and weld in a wide of! Machine shop for probably $ 60 or so bolted up and the donor XJ that the is... The AC on max the radiator and condenser are at full capacity to keep be best. Here are two common problems with things to check to help resolve them that TJ... Do not qualify for free shipping fun part of the bolts that fasten the pedal assembly to the tube! Does in any other gear vice versa manufactured by GM, it been. Above the cross member this method to identify wires coming from the connector 1 bundle the earlier 999/909... Try to get you pointed in the world, General Motors HydraMatics make for outstanding into..., Ill the transmission and transfer case correctly need to connect to pin 2 on the TCM telling the plug. Had one concern when I read what you posted about mounting your.... Thinking about a transmission swap may not be the best automatic transmissions in the....
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