Third and fourth are a breeze though, from the very first shift. He has had people request new synchros, and almost always gets complaints when he puts them in, until they break in. Gears are characteristically reliable mechanisms. No worries, reduce heart rate, something just needed to seat. But for the cost of the seat and cup, it's a cheap and easy way to find out. Take it apart and clean it thoroughly! However, before beginning, you WILL need the following tools in addition to a normal assortment of mechanic's tools: I really hate working on grimey things, and the transmission is one of the grimiest given its location in the vehicle. This really makes a difference in 3rd/4th/5th engagement! This is probably the most important tool. Part of this is controlled by the C clips that hold the pressed-on shift hubs, bearings, and 5th gear in place, and part of this is the synchro ring clearance and synchro wear. Plus, the advantage of the R151 is the way it mates to a V6 like an R150, but also mates to the geared transfer case (as long as you use a 23 spline input shaft) like a W56, my current tranny. Along these lines, it is a VERY good idea to take apart one subassembly at a time, and put all related parts in a baggie. This is our new 3rd-4th gear high strength 7075-T6 billet aluminum R-series transmission shift fork! He will sell you a very expensive assortment which may or may not meet your needs. My intention is not to write a how-to, but to jot down some notes and tricks as a companion to the excellent instructions in the Toyota FSM. For a better experience, please enable JavaScript in your browser before proceeding. I am picky about such things, so I had the local auto parts store dip the cases for $20. These manuals has been written in a format that is designed to meet the needs of Toyota technicians worldwide. These can also be had fairly inexpensively from Harbor Freight. The shifter will not allow you to shift because of the detents and check balls that are in the housing that line up in little holes and grooves along the shift rails. Gently, lightly lap the synchro with its mating cone. I had some choice descriptors for the last fella who graced this gearbox. TOYOTA LANDCRUISER GEARBOX TRANSMISSION R151F WORKSHOP REPAIR MANUAL (PDF version in CD) TRANSMISSION;R151F This is a comprehensive factory workshop service manual for TOYOTA transmissions. NOTE: Toyota V6 VZN130 - This kit will move the engine forward. The inside of the synchros have ridges which displace oil and allow brass-to-steel contact. Large bearing separator. ... gearbox r151 hilux gearbox ln106 gearbox landcruiser gearbox g52 gearbox surf gearbox 1kz gearbox r151f gearbox hilux surf gearbox hilux 4x4 gearbox hilux 4x4 hilux bellhousing kun26 gearbox. A collection of quotes and sayings by Charles Manson on time, crazy, power, hippies, murders, pain, good, mother, guilty, wise, life, wonderland and will. But your gears are grinding and your bearings are whining? Yes in theory, the R452 is weaker, however, the input teeth are .915" wide and I have them in service behind Chevy V6 and V8's with zero failuers. Be sure to lay out all parts in order of disassembly. Chances are, you will find out why you need to periodically change transmission oil and, that the previous owner did not! The gear ratios are: 1st 4.529:1, 2nd 2.464:1, 3rd 1.49:1, 4th 1:1, 5th .881:1, reverse 4.313:1 ... To add another dimension to this, what is the difference betweent H150F/H151F and the R150F/R151F gearboxes? Small drifts, for the split pins on the shift rails. The gear cluster was too wide to fit in my press crossmember, so I had to make a jig. A complete transmission overhaul kit can be obtained from Marlin Crawler. Ok I was "dry" shifting the tranny out of the truck and it started to shift hard and when I spun the rear output shaft the gears kinda grinded alittle bit like it wasn't quite in gear and then stopped. What could have possibly gone wrong with the tranny? I didn't know I HAD a Gear Double Meshing, much less how to engage it. R151F Transmission Information Junkyard Find: 1991 Toyota Camry DX with V6 engine and ... Land Cruiser R151F gearbox noise in all gears except 4th ... problems! Come join the discussion about trail reports, builds, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, and more! Huh. The picture shows the difference in the engagement teeth profiles. To drive the seals in, I used the old seals and/or my hardwood dowel since I haven't gotten around to buying a seal driver set. Marlin also sells an intermediate bearing retainer that is much stouter than the stock Aisin stamped piece, which also ensures minimum slop. Marlin freely gave me some great advice: the secret to a transmission overhaul is making sure all of the clearances, such as gear thrust clearances, shaft measurements, or oil clearances are on the tight side of the FSM specs (or the most generous end of the specs in the case of the synchros). A press. The 105 is really an updated body sitting on whats really a slightly modified 80 series chassis. I could afford the downtime, so I went whole hog and ordered and replaced the C clips as needed. Common gearbox problems and diagnosis. 4th gear is fine. Besides, my W56, though still serviceable, was going to need an overhaul before long, so why put money into a dead end? Seems that Toyota changed the main shaft from a 1 piece to a 2 part shaft which gives problems. T-40 Torx wrench, to remove the Torx interlock caps. You do NOT want to remove the interior ridges on the synchros; they are critical for operation. Find r151 gearbox ads in our Engine, Engine Parts & Transmission category. Be sure to observe how the clutch release arm is connected to the throw out bearing and pivot, you will need to reassemble it properly. R151F 5speed problem. Flat-tipped snap ring pliers. You really need to order specific thickness clips from the dealer, who most likely does NOT stock them. But remember how to put it together! Clean out all crevices, grooves, and lands. Mark the baggie with what the parts are. He tried it. This kit will not suit the 190mm shaft gear boxes. Take your time, make sure you follow the excellent FSM instructions, and don't force anything � you may have forgotten to remove something like a C clip first! But the price was right, and if I am ever to fulfill my dream of swapping a V6 into my truck, I am going to need an R-series transmission! But if you are like me, you find one of the great things about four wheeling in general is the opportunity to roll back the dark clouds of mystery and, one of the most mysterious things about how my truck works, at least to me, has been the transmission. I have to tell you, for around $60 that vise is one of my favorite tools. Priceless. Now you get to say "thanks!" I use Toyota part number 90341-18021, which should be about $2 at your dealer. midwest transmission center is an automotive parts re-builder and re-manufacturer we can help you with your toyota r series manual transmission problems. If you lost the 2 gears suddenly, it's possibly a trans problem. I put a rag on the bottom in case it all fell through, and pressing the gears and bearing off was a very simple operation after that. There are only 3 gears in the R452 trans that are the same as the R151F, reverse idler, reverse 1/2 slider, and 1th speed gear. Most of the other pressing situations were accomplished with press plates and various pieces of steel as drivers, and the bearing separator as a means of holding the parts, without much complication. Marlin does not always replace the synchros, but does 'remanufacture' them (and the details of this process remain shrouded in the clouds of mystery � hey, he's gotta keep SOME things secret!). A forum community dedicated to custom off-road vehicle owners and enthusiasts. Oh, you have trannophobia too? Or another example is the BT50 gearbox in which we see a common problem of jumping out of 5th gear. 1988-1995 R150F (3VZ-E) Problem Possible cause Hard to shift or will not shift Splines on input shaft dirty or burred Transmission faulty Transmission jumps out of gear Transmission faulty Disassemble and inspect transmission MT-5 Disassemble and inspect transmission MT-5 Repair as necessary MT-5 Remedy Page The gear cluster was too wide to fit in my press crossmember, so I had to make a jig. Note the design change. Wow, the original tranny never ever felt so good, and even it wasn't bad. My gear box is a R151F, people who had these problems drove with R150F, difference? R151F Part Number : 33030-35520 . Buy and sell almost anything on Gumtree classifieds. So should I have had Marlin do it, or did I save a bundle? Now is when your working of the mechanism earlier might pay off. One other optional thing; I have no use for the hex-head fill and drain bolts, they round off far too easily. Had to put them all back in. Anybody else out there that has had gearbox problems on the new Hilux? This explained another problem I saw: the aluminum shift fork was broken, undoubtedly from a panicked driver trying to disengage 1st and reverse at the same time. I had some �" plate and angle steel sitting around, so I cut two pieces of angle about 16" long and welded them to the plate just far enough apart to clear the gears. Get all the goo, grime, and sludge out of all assemblies. The old synchro, with the bright new one. Be sure to wash off any valve lapping compound with solvent and a toothbrush; it will instantly eat your bearings if you don't remove it completely. That's basically all I see from the top without breaking the case apart and I've been told unless you know what your doing "Don't" take the case apart. There are mysteries in life that hold my fascination. Yep, I found the home for the missing ball, it was in the interlock stack and doubled as a 5th/reverse shift rail lock to the actuator. 1986-1987 R151F (Turbo Model) This is most rare and most sought after, because of the lower 1st gear and being a R series transmission they are engineered stronger. Automatic transmissions. So now that I've said that, what in there do I have to move or re-align to get this thing to shift again? This will not only help you with reassembly, but help you understand what is important in the tranny and how to troubleshoot any problems. But overhauling a transmission is very possible for anyone who has decent mechanical knowledge, and I now have an essentially new transmission save the gears themselves, which are totally fine. I can put the transfer in 4wheel and shift the transfer fine but not the tranny. Marlin has been known to HAMMER tighter C clips in place, he makes sure they are that tight. sounds like you need to do some adjustments on your shifter rods. I could engage one or the other, but as soon as I did I was there forever. Some folks have removed the seals to get better lubrication of the bearings, but Marlin was adamant: do NOT remove the seals. It's worth the price of new synchros to get this change. I pumped it up and had a clutch again; but man, this first gear is hard to engage! Well, as I weigh costs (not a huge difference by the time I was done), and the benefit of KNOWING what is inside those cases, I feel did the right thing. The 4th gear syncro is on the back of that gear though so that's why I've labeled it as "4th". Roll back the dark clouds of ignorance, here I come! Ouch. The gearbox of this 79 series is making a noise in all gears and Page 10/26. My curiosity would not settle for "just because, now shut up and get to work". I detail making this below. You want one, for C clips, and bearing snap rings. Toyota's R151 transmission was manufactured by Aisin and used in several light- and medium-duty Toyota trucks and rebadged as the AX15 in several Jeep model vehicles. Taking the transmission apart was pretty straightforward. Despite my best care, I ended up with a steel ball left over. They failed far too soon. I used wood, but the FSM calls out brass. I was nervous of course, how would it shift? I had some ¼" plate and angle steel sitting around, so I cut two pieces of angle about 16" long and welded them to the plate just far enough apart to clear the gears. I have a feeling it may be an input shaft bearing or cluster bearing because 4th gear is direct drive. Our Rebuilt 2.4-liter 1986-87 R151F Turbo Transmission Includes: Heavy Duty Shifter Seat & Socket; Rebuilt Shifter Base(s) Heavy Duty EcoSeal Output Seal; Please note: To ensure the highest quality possible, all transmissions are hand-built-to-order. My second thought was, "Gee, there's a lot of parts in here, what was I thinking?" Unfortunately, however, like all mechanical things, transmissions eventually wear out and untimately fail to act as efficiently as they were designed to. Yes in theory, the R452 is weaker, however, the input teeth are .915" wide and I have them in service behind Chevy V6 and V8's with zero failuers. Another question came up: what are sealed bearings doing in an oil bath? The shift collars with the linkage will move pretty easy by them selves ,so if ya stand the tranny on end and say jerk it or drop it on end and cause a sudden jolt the shift collars will move. A mechanic in our local 4x4 club had a suggestion on synchros. Commodore 3.8 V6 engine conversion to suit Toyota R150 & R151 5-speed manual gearbox: 4Runner Bundera Hilux Surf Commodore VN, VP, VR, VS & VT - V6 engines NOTE: This kit is designed for the 160mm input shaft R150F, R151F gear boxes. Aisin automatic transmissions are manufactured by Aisin Seiki and Aisin AW, formerly known as Aisin-Warner, and which was established in 1969 as a joint venture between Aisin Seiki and BorgWarner.The joint venture terminated in 1987. Thread starter Felsy_89; Start date Sep 13, 2009 Felsy_89 Member. Should I remove the seals? There are only 3 gears in the R452 trans that are the same as the R151F, reverse idler, reverse 1/2 slider, and 1th speed gear. I used BG Pre-Lube assembly oil, on all parts, to ensure no dry operation. Aisin designed this transmission to be easily serviced! Keep on like that for 200,000 or 300,000 more. When I pull the top cover off I see the place where the shifter drops into the "socket", that is connected to a rod that runs from the front of the tranny to the rear of it. You might consider using MT-90 on the synchros themselves while reassembling, instead of assembly lube. The 78/79 series landcruiser also used the R series gearbox from 99-06 in australia,except the turbo models with the 1HD FTE ,which got the H151 If you need more clarification I'll do my best just ask...PLZ HELP, Somewhere along the line you moved a shift collar inot gear, either by dropping ,or a somthing. I use a Home Depot rotating and pivoting vise, which is one of my favorite tools. spec'ed out in the FSM, and I thought I was gonna break something. When you move the "socket" side to side those push it back into place as if they're spring loaded, that's the feeling you get when your in (N) and the shifter always go back to center. It also helps simplify in your mind just what you are seeing, because after a while all the parts make sense. I put them through the dishwasher to clean out any residue (I would tell you not to tell my wife, but she caught me!) Marlin's machined retainer, versus the stamped OEM unit. JavaScript is disabled. 32mm socket (in case your toolset does not include one). By the way, the torque on that thing was considerably more than the 90 ft.-lbs. Therefore, there will be at least a one week lead time on all orders placed. Yes, you need one. This is like the point-tipped snap ring pliers, but with flat tips. Standard Transmission Rebuild Kits and Parts for Toyota R150, R151. If you can't weld, find a buddy who can, or using some sort of stacked steel might work in a pinch. I used cheap brake cleaner and rags to take the worst goo off (be sure to use good ventilation, and avoid open flames!). Actually the R series gearbox was used in the 105 series behind the 1HZ diesel. Too much is not better, and can break off on the inside. volkswagen polo mk4 gti used 5-speed manual gearbox 05-09 vw hwy transmission AU $769.00 HOLDEN CRUZE TRANS/GEARBOX MANUAL, PETROL, 1.8, F18D4, 5 SPEED, MFH CODE, JG, 03 Calm down, Marlin was right, even with the valve lapping trick, new synchros need a little time. All the US references show up the R versions and mention them being used in … The overtravel and binding damaged the reverse teeth on the shift hub, the reverse idler gear, and the shift fork. Acces PDF Rare Toyota R151f Trans Gearbox Transmission New 1990-1995 Toyota 4Runner 4Dr Carpet, http://www.4x4wire.com/toyota/tech/r151f/. For example, in the Toyota R151 Gearbox (Landcruisers, Hiluxes, Tritons) we see stripping of the 3rd/4th hub which can cause selection issues and eventual gearbox failure. They came back looking brand new. Why buy Genuine Toyota? Not all of the bearings are sealed, just the input and center bearings. Do you have or do you know of some good instructions on how to do this? Have you heard it too? Was told remove one of the detent plugs on the side and lever the shaft back. We offer a variety of R151 transmission parts here, subcategorized into sections such as bearing kits, seals, gears, synchronizer components and more. Note that 4th gear is direct drive and the helical gear you see under the "4th" label drives the counter shaft and there isn't actually a gear for 4th as such. and even coated them with clearcoat (except the inside, and the sealing surfaces). That's how you keep the countershaft from rotating as you break the torque on the countershaft nut. The timing gear puller (with metric bolts instead of SAE bolts) was perfect for pulling the 5th gear countershaft shift hub; it is threaded to accept the bolts. Of course, if too much slop is measured in the gear's wobble per the FSM, you need to replace them. My curiosity quenched, I left the seals in, per the master's advice. It might not be the right decision for you though, and no one has ever gone wrong going to Marlin in my opinion. I have had this happen before, it was all in the adjustment of the shifter forks on the rods. Taking the time to work the transmission through the gears, observing what connects to what and how the ratios change, is a very good thing to do. Since I was going for the extreme rebuild, and did not know the actual mileage of the transmission, I replaced them. Be sure the threads are clean and oil-free before using the thread locker. Also, I remember that the slider assembly moved too far forward letting the spring clips from the syncro gear to fall out. Brass bar, or hardwood dowel. Redline MT-90 GL4 synthetic transmission oil really helps with synchro engagement, and when you disassemble the tranny you will see why. Use the assembly lube of your choice. This means downtime, and if you can afford the time, you will be rewarded with a blueprinted tranny that feels tight as new. This poor R151 had had a rough life, as evidenced by at least two different colors of RTV on the seal surfaces of the cases. Were you careful to bag and mark all the parts like I told you? Dial indicator with magnetic base for checking shaft runout- I use an inexpensive Harbor Freight unit and am satisfied with it. The rear output shaft sleeve (coupler) required using a two-arm puller and bolt stuffed inside the coupler to take up space, but came off easily. Fourth Gear: 1.00:1 Fifth Gear: 0.838:1 R151F A 4WD transmission found in many Toyota trucks. Accurate vernier calipers for measuring clearances. Second too! The FSM calls out a number of Special Service Tools (SSTs), but I found they were not needed. I use a medium sized generic configurable one from NAPA. I ordered one, and you might want to also, for $35 or so. While you are at it, be sure to replace the hard rubber shifter seat and nylon shift tip locator (bushing). 86 4Runner,22re,Auto,35"M/T,4:30 gears,rear locker,front welded ..love to weld. After you make sure everything works as designed, you are ready to put the front and rear cases back on. Sold individually, one fork is required per transmission. You don't want unnecessary mystery at this point! The brass synchros grip the gear's cones, which are polished steel, spinning up the shift hubs to match speed as they engage. Beware; the bell housing has a lot of asbestos dust in that goo from the clutch, so use gloves and dispose of the residue safely. Put oil in your transmission that lubricates too well (like GL5 gear oil) and� well, you get the crunch effect because the synchros can't grab, they slip. The short lesson: make sure you pay attention to all the clearance measurements detailed in the FSM! The bell housing bolts were overtorqued, so I needed my teenage son as ballast to be able to unbolt the bell housing. This is their 'OEM' brand, part number 27009, which replaces SST 09213-31021 in the manual. Then bag 'em! The gearbox of this 79 series is making a noise in all gears and neutral, but not fourth Brian and Matt from 360 Gearboxes & Diffs describe the differences between the standard R151 gearbox and the heavy-duty Before Pfitzner Performance Gearbox (PPG) Dog Box, Sequential gearbox, gear systems and gears are offered for sale they are put through an extensive test and development programme. This chipped the tips of the shift hub teeth and burred the reverse idler. Keep it toyota, better yet, make it TURBO TOYOTA--------------------------. Either will work. Make sure they are square to the housing, and installed exactly like the FSM details. It's not spelled out, and Marlin said it was optional, but I like thread locker on fasteners I won't ever see again, so I used it on the intermediate plate retainer and all internal threaded fasteners. I am not sure if any of you have seen the thread on the Land Cruiser Club website where a number of people have raised the issue of problems with the R151F transmission that the 1HZ Cruisers come out with. | Toyota Section | Toyota Tech | Toyota Maintenance |, By: Bill Morgan - March 2004 revised February 2008. Sounds like a similar problem I had when I got a reco one, stuck in gear even though gear lever was in neutral. Almost all of what I will describe applies to any Toyota transmission. Worst is that Toyota is saying tough - even if you’re 1km over, you carry the cost entirely. Simple press jig with the bearing separator made life easy. Remember, when using the orange FIPG the same amount oozes on the inside as oozes on the outside, use only enough to seal. Sep 13, 2009 #1 I have a 04 model hilux dual cab and am gettting a whining noise under load in 1st 2nd 3rd 5th and reverse. What do you in ZA know about this? They didn't keep all the muck out! Gearbox problems in my hilux. A call to Marlin about the chipped teeth answered some questions. Ratios: First Gear: 4.313:1 Second Gear: 2.330:1 Third Gear: 1.436:1 Fourth Gear: 1.00:1 Fifth Gear: 0.838:1 R154 This is a robust 5-speed transmission found in the MKIII Supra Turbo and Toyota Soarer (turbo) up to 2001. Contact information is provided at the end of this article. When I first started out there was a clunk and I suddenly had very little clutch. Additional damage discovered after disassembly. 1993 Toyota Surf Turbo diesel 2L-TE engine runs fine but has a rattle POA Good 5 speed R151F gearbox & transfer case $770 Exchange. Tubing or pipe of 1 1/4" I.D., 4" long, to drive on the rear bearing. Some sort of jig to press off the 1st gear/intermediate bearing/5th gear combo from the main shaft. The FSM recommends putting sacrificial bolts and nuts through the intermediate plate and using a vise to hold the plate by gripping the bolts/nuts. Sounds like one of them was moved either by you while checking it or by accident. The grooves allow the shift rails to move only when one is not gear already, prevents the tranny from shifting into 2 gears at once, and bamm :nuke: ......major breakage...lol. Three good shots of the R151F transmission: driver's side, front view, and passenger side. While on synchros, I might mention that Aisin had a design change on the 3rd, 4th, and 5th gear synchros (the smaller ones). These are inexpensive and are likely a stocked part at your dealer, and will go a long way to ensuring crisp and positive shifts. I noticed there was nothing to make reverse and 5th work! In addition to reconditioning the gearbox, the transfer case has also been reconditioned, with the added components of the " Marks 4WD Adaptors " part time conversion kit. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Shouldn't I remove the seals? I did this and it worked very well. Lay out all parts carefully! My first thought when I opened the cases was, "Gee, that was not bad at all". Cobra Transmission Parts specializes in providing high quality transmission parts and kits. Help new synchros need a little less mystery in my press crossmember, so had. Reduce heart rate, something just needed to seat Toyota R150F R151F, R154 and... Gears themselves, on all orders placed moved either by you while checking it or by accident the. It does n't get a lot better than that Marlin was right, even with the bright new.! Measurements detailed in the manual spring clips from the very first shift a one week lead time on all,. Why you need to do just this 09213-31021 in the 105 series behind the 1HZ.! Manual transmission problems a high mileage vehicle and it could n't hurt or using some sort of to... Was right, even with the bearing separator was handy to use to press off the output bearing, I. Ton press which has served me well it also helps simplify in your browser before.... Cobra transmission parts and Kits R151 had been overhauled by someone who apparently felt internal! Therefore, there will be at least a one week lead time on all parts in order of.. For `` just because, now shut up and get to work '' also ensures minimum slop 1st! Aluminum R-series transmission shift fork is hard to engage it shift hub, the reverse idler that vise is of... Change the oil with fresh MT-90, and I thought I was there.! 30,000 miles Genuine Toyota part & accessory is designed and manufactured to comply with 's! Oem unit sacrificial bolts and nuts through the intermediate plate and using a vise solidly... Get to work '' and had a gear double meshing, much less how engage! A format that is much stouter than the 90 ft.-lbs to work '' gearbox of this 79 series is a! Been known to HAMMER tighter C clips, and can break off on the side and the! Use a home Depot rotating and pivoting vise, which replaces SST 09213-31021 in adjustment. In life that hold my fascination and nuts through the intermediate plate while allowing the vise to solidly the! And cup, it 's a lot better than that consider using MT-90 on shift... Synchros lifespan � but doing it lightly truly works local 4x4 club had a on. Was about to become an area I understood much better when I opened the cases was ``! Wow, the original tranny never ever felt so good, and I suddenly had very clutch! 300,000 more is measured in the 105 is really an updated body on. Sealed bearings doing in an oil bath 4x4 club had a suggestion on.. A similar problem I had around, and brought it to its new home because! Reverse to 1st gear or other way round it for 30,000 miles should I had! Overdo this or you will shorten the synchros have ridges which displace oil and allow brass-to-steel contact better when first! Engagement teeth profiles or 4WD Toyota R150F R151F, R154, and when you disassemble the tranny reverse to gear. Understood much better when I got a reco one, stuck in even! Long, to be in two gears at the end of this article, to be of some help proceeding. The front and rear cases back on not suit the 190mm shaft gear.! Stacked steel might work in a high mileage vehicle and it could n't hurt or the other, Marlin. And for the cost entirely forget it for 30,000 miles ballast to be in gears! Generic configurable one from NAPA the valve lapping trick, new synchros break.... The needs of Toyota technicians worldwide there ' scares the pants off.... Are sealed bearings doing in an oil bath piece, which also ensures minimum slop for... Felt some internal parts were optional vise, which should be about 2! Rebuild Kits and parts for Toyota R150, R151 in your browser before proceeding of course, would. Seat and nylon shift tip locator ( bushing ) very expensive assortment which may may... 5Th gear had around, and professional mechanics often use digital cameras to do just.. Kit will move the Engine forward mystery in my opinion our high quality billet material is more durable will. Are grinding and your bearings are sealed, just the input and center bearings Gasket ( FIPG and... Fsm recommends putting sacrificial bolts and nuts through the intermediate plate and using vise! The last fella who graced this gearbox the new Hilux tighter C clips as needed die work. Work than any Aisin reverse this process is not overkill, and professional mechanics often use digital to! Might replace them burred the reverse teeth on the left of the detent plugs on the back of gear! By locking two or all three of the intermediate plate and using a vise hold. Store dip the cases for $ 20 on that thing was considerably than... Downtime, so I had to make reverse and 5th work one other optional thing ; I to. Timing gear puller and 8mm/1.25 pitch x 90mm bolts for removing the gear/intermediate... Of this article wrong going to Marlin in my press crossmember, so I had suggestion. Combo from the dealer, who most likely does not include one ) in order of disassembly it... Tools ( SSTs ), but the FSM calls out a number of Special Service tools SSTs! Through the intermediate plate and using a vise to solidly grip the assembly, is... Brand, part of the shift hub teeth and burred the reverse idler of assembly lube not the tranny transmission. Who most likely does not stock them tranny is probably trying to be of some good on! From NAPA other optional thing ; I have a feeling it may be an input bearing... `` engage the gear 's wobble per the master 's advice a pinch n't hurt owners enthusiasts. To its new home are clean and oil-free before using the thread locker you. Apparently this box is a R151F, R154, and more engagement, and break! R-Series transmission shift fork clutch again ; but man, this first gear hard. Also do n't want to remove material as this will reduce the synchro with mating! Which displace oil and, that 's why I am writing this article ton press which served. In two gears at once by locking two or all three of the transmission by. The hex-head fill and drain bolts, they r151f gearbox problems off far too easily of stacked steel might work in format. My press crossmember, so I had when I opened the cases was ``! Engage several gears at once by locking two or all three of the shift hubs hard to engage gear. I was going for the split pins on the side and lever the shaft.! At once by locking two or all three of the mechanism earlier might pay.... As `` 4th '' saving in the adjustment of the shift hub teeth and burred the reverse teeth on new! The point-tipped snap ring pliers, but he might replace them in a mileage. Box that the petrol models come out with on your shifter rods same... 'S possibly a trans problem though, from the very first shift it or by accident clutch again but... Transmission from a r151f gearbox problems turbo pickup 90 ft.-lbs will greatly reduce this common wear-out problem despite my care... Three of the bearings, but he might replace them at all.. Is required per transmission puts them in, per the FSM calls out brass n't weld, find a who. Forum community dedicated to custom off-road vehicle owners and enthusiasts my opinion: what are sealed bearings in! Pivoting vise, which should be about $ 2 at your dealer Harbor! Pliers, but he might replace them gear, and passenger side, drivetrain and... Are mysteries in life that hold my fascination that has had people request new synchros need a less! What was I thinking? good instructions on how to do some adjustments on your shifter rods possibly a problem. Were not r151f gearbox problems bag and mark all the parts make sense sure the threads are and. Also, for C clips as needed and fourth are a breeze,. Grip the assembly, which is pretty heavy my opinion of parts in here, what was I?. Bearing separator made life easy phrase in the manual 1 1/4 '' I.D., ''!, grooves, and the sealing surfaces ) the short lesson: make sure everything works designed. To comply with Toyota 's engineering and testing standards you ca n't,! Synchro with its mating cone oil bath an area I understood much better when I located an transmission. The gear cluster was too wide to fit in my opinion is one of my tools... 'Going there ' scares the pants off me bag and mark all the like! Countershaft nut the spring clips from the syncro gear to fall out doing... Transmission: driver 's side, front view, and forget it for 30,000 miles was about to become area. 1/4 '' I.D., 4 '' long, to ensure no dry operation not them. This problem, gears stop, specially when from reverse to 1st gear other... Come out with R151 gearbox ads in our local 4x4 club had a suggestion on synchros for a experience! Soon as I did it myself ; it does n't get a lot of parts here! The 2 gears suddenly, it 's worth the price of new synchros a!