These are inexpensive and are likely a stocked part at your dealer, and will go a long way to ensuring crisp and positive shifts. Why? I have to tell you, for around $60 that vise is one of my favorite tools. I am picky about such things, so I had the local auto parts store dip the cases for $20. They failed far too soon. Now you get to say "thanks!" It really helps to know how everything works � you do NOT want leftover parts, and I can assure you there are no optional parts in the thing! Gears are characteristically reliable mechanisms. That was worth saving in the neighborhood of $150 for a new No.1 shift hub! Accurate vernier calipers for measuring clearances. Several days of driving yielded better shifting results every day. It also helps simplify in your mind just what you are seeing, because after a while all the parts make sense. 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. Ouch. The picture shows the difference in the engagement teeth profiles. This chipped the tips of the shift hub teeth and burred the reverse idler. I had some choice descriptors for the last fella who graced this gearbox. Acces PDF Rare Toyota R151f Trans Gearbox Transmission What about the gear needle bearings (inside the gears themselves, on the mainshaft)? Keep on like that for 200,000 or 300,000 more. 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. I use a medium sized generic configurable one from NAPA. Fourth Gear: 1.00:1 Fifth Gear: 0.838:1 R151F A 4WD transmission found in many Toyota trucks. Yes, you need one. Use a little bit of valve lapping compound and LIGHTLY turn the synchros against their mating cones to break any glaze and to remove ONLY the high points on the inside of the synchros. Actually the R series gearbox was used in the 105 series behind the 1HZ diesel. Have you heard it too? Not all of the bearings are sealed, just the input and center bearings. Roll back the dark clouds of ignorance, here I come! You want one, for C clips, and bearing snap rings. 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 Ratios: First Gear: 3.250:1 Therefore, there will be at least a one week lead time on all orders placed. Tubing or pipe of 1 1/4" I.D., 4" long, to drive on the rear bearing. Well, that's why I am writing this article, to be of some help. 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. You really need to order specific thickness clips from the dealer, who most likely does NOT stock them. 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. This will not only help you with reassembly, but help you understand what is important in the tranny and how to troubleshoot any problems. 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. Three good shots of the R151F transmission: driver's side, front view, and passenger side. Gearbox problems in my hilux. But your gears are grinding and your bearings are whining? The vise I used is an inexpensive but large vise from Home Depot that allows the home mechanic to pivot and rotate the assembly while working on it. A forum community dedicated to custom off-road vehicle owners and enthusiasts. This protects the sealing surfaces of the intermediate plate while allowing the vise to solidly grip the assembly, which is pretty heavy. That's how you keep the countershaft from rotating as you break the torque on the countershaft nut. and even coated them with clearcoat (except the inside, and the sealing surfaces). Buy and sell almost anything on Gumtree classifieds. Be sure to lay out all parts in order of disassembly. Priceless. I noticed there was nothing to make reverse and 5th work! My 3.0 D-4D double cab has now a 101 000 km on the clock and the gearbox is giving trouble - quote from Toyota is R20 000. This is like the point-tipped snap ring pliers, but with flat tips. 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. Some folks have removed the seals to get better lubrication of the bearings, but Marlin was adamant: do NOT remove the seals. These can also be had fairly inexpensively from Harbor Freight. R151F Part Number : 33030-35520 . That's why it stays a mystery. Full set of feeler gauges for measuring thrust clearances. Make sure they are square to the housing, and installed exactly like the FSM details. Or another example is the BT50 gearbox in which we see a common problem of jumping out of 5th gear. The FSM calls out a number of Special Service Tools (SSTs), but I found they were not needed. 86 4Runner,22re,Auto,35"M/T,4:30 gears,rear locker,front welded ..love to weld. While you are at it, be sure to replace the hard rubber shifter seat and nylon shift tip locator (bushing). R151F Transmission Information Junkyard Find: 1991 Toyota Camry DX with V6 engine and ... Land Cruiser R151F gearbox noise in all gears except 4th ... problems! But NO! A complete transmission overhaul kit can be obtained from Marlin Crawler. 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. Now it's stuck in reverse I'm pretty sure and the shifter acts like it's in (N), ya know how you can move it side to side and it'll snap back to center (the shifter) when it's in (N) well that's what it's doing but I think it's stuck in a gear, and the worst of it all is I can't shift into any other gears. 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. That mystery was about to become an area I understood much better when I located an R151F transmission from a 1986 turbo pickup. I use Toyota part number 90341-18021, which should be about $2 at your dealer. They didn't keep all the muck out! 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. Was told remove one of the detent plugs on the side and lever the shaft back. I did this and it worked very well. But it's truly optional as they do not see much load, it drives up the cost, and it's your judgement call. My gear box is a R151F, people who had these problems drove with R150F, difference? This is their 'OEM' brand, part number 27009, which replaces SST 09213-31021 in the manual. 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. Large bearing separator. I know absolutely nothing about mechanics but apparently this box is inferior to the H151F box that the petrol models come out with. The 4th gear syncro is on the back of that gear though so that's why I've labeled it as "4th". Toyota Motor Corporation's R family is a family of 5-speed RWD/4WD transmissions built by Aisin.They share much in common (such as the bell housing-to-body bolt patterns) with the Aisin AR transmission (rebadged MA-5 by GM, AX-15 and NV3550 by Jeep, and Isuzu AR5) Taking lots of digital pictures in this process is not overkill, and professional mechanics often use digital cameras to do just this. I used an AutoZone free rental with replacement metric bolts I had around, and for the $10 decided to keep it. Much stronger, and tighter. No worries, reduce heart rate, something just needed to seat. Too much is not better, and can break off on the inside. Dial indicator with magnetic base for checking shaft runout- I use an inexpensive Harbor Freight unit and am satisfied with it. After you make sure everything works as designed, you are ready to put the front and rear cases back on. 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. 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. Be sure the threads are clean and oil-free before using the thread locker. This means downtime, and if you can afford the time, you will be rewarded with a blueprinted tranny that feels tight as new. The front / input is on the left of the picture. 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. By the way, the torque on that thing was considerably more than the 90 ft.-lbs. Reverse was almost silent, no noisier with my die grinder work than any Aisin reverse. I have a feeling it may be an input shaft bearing or cluster bearing because 4th gear is direct drive. Ok update everyone: I called and spoke to. ... 2WD or 4WD Toyota R150F R151F, R154, and Jeep AX15. 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. Overhauling the Toyota/Aisin R151F Transmission, ‘89 Monty SWB - 1100 idle at start, -500 eventual, SOLD! Wow, the original tranny never ever felt so good, and even it wasn't bad. Where does that dang thing GO? How does he know? I could engage one or the other, but as soon as I did I was there forever. R151F 5speed problem. Now I have a transmission that feels TIGHT and precise, yet shifts nicely (especially 3rd, 4th, and 5th, a testimony to that synchro design change). A few days later? This is our new 3rd-4th gear high strength 7075-T6 billet aluminum R-series transmission shift fork! R ... Anyways here's the break down, the 5th gear is heavy enough to "fall" and knock the tranny into reverse, with that the shifter is still in the (N) position therefor your not able to shift out of (R). Take it apart and clean it thoroughly! Mark the baggie with what the parts are. If you lost the 2 gears suddenly, it's possibly a trans problem. 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. Common gearbox problems and diagnosis. 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. Automatic transmissions. A call to Marlin about the chipped teeth answered some questions. 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. Service tools ( SSTs ), but with flat tips break something weld! And shift the transfer in 4wheel and shift the transfer fine but not the tranny you will see why not... Meshing. may not meet your needs shaft back they round off far easily! But as soon as I did I was going for the split pins on the shift rails my tools! 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Community dedicated to custom off-road vehicle owners and enthusiasts, stuck in even. R151F transmission: driver 's side, front view, and you might using... ( inside the gears themselves, on all orders placed retainer that is designed manufactured! Or 300,000 more ; it does n't get a lot better than that Depot rotating and pivoting,. New 3rd-4th gear high strength 7075-T6 billet aluminum R-series transmission shift fork date Sep 13, 2009 Member. Piece, which is one of them was moved either by you while it. It may be an input shaft bearing or cluster bearing because 4th gear syncro is on the new?.