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. Gearbox problems in my hilux. 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. 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 But remember how to put it together! Flat-tipped snap ring pliers. My hard-life R151 had been overhauled by someone who apparently felt some internal parts were optional. I noticed there was nothing to make reverse and 5th work! Aisin designed this transmission to be easily serviced! Chances are, you will find out why you need to periodically change transmission oil and, that the previous owner did not! Redline MT-90 GL4 synthetic transmission oil really helps with synchro engagement, and when you disassemble the tranny you will see why. I use an inexpensive Harbor Freight 12 ton press which has served me well. 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. But for the cost of the seat and cup, it's a cheap and easy way to find out. Jump to Latest Follow 1 - 7 of 7 Posts. 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. 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. There are mysteries in life that hold my fascination. Reverse was almost silent, no noisier with my die grinder work than any Aisin reverse. 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 Contact information is provided at the end of this article. Sounds like one of them was moved either by you while checking it or by accident. ... 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. They didn't keep all the muck out! Note the design change. 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. 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 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. A call to Marlin about the chipped teeth answered some questions. Be sure to draw out the interlock pin-and-ball sequence; I thought I could decipher it from the FSM when the time came, but as you will see they gave me some trouble. 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. Third and fourth are a breeze though, from the very first shift. I put them through the dishwasher to clean out any residue (I would tell you not to tell my wife, but she caught me!) I bought the R151, and brought it to its new home. ... 2WD or 4WD Toyota R150F R151F, R154, and Jeep AX15. 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. 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. Remember, when using the orange FIPG the same amount oozes on the inside as oozes on the outside, use only enough to seal. I didn't know I HAD a Gear Double Meshing, much less how to engage it. These are inexpensive and are likely a stocked part at your dealer, and will go a long way to ensuring crisp and positive shifts. Come join the discussion about trail reports, builds, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, and more! I have a feeling it may be an input shaft bearing or cluster bearing because 4th gear is direct drive. Yes, you need one. 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. 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. The front / input is on the left of the picture. 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). VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. That's how you keep the countershaft from rotating as you break the torque on the countershaft nut. Land Cruiser II, Land Cruiser Prado and Hilux Surf (1989-1993) 2L-T series and 1KZ series Turbo Diesel, V6 3VZE and 5VZ-FE ] (also Japan, UK and Europe 1KZ/TE 4Runners, 93-95) Ratios: 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. That was worth saving in the neighborhood of $150 for a new No.1 shift hub! It also helps simplify in your mind just what you are seeing, because after a while all the parts make sense. This chipped the tips of the shift hub teeth and burred the reverse idler. I used an AutoZone free rental with replacement metric bolts I had around, and for the $10 decided to keep it. Every single Genuine Toyota part & accessory is designed and manufactured to comply with Toyota's engineering and testing standards. Find r151 gearbox ads in our Engine, Engine Parts & Transmission category. 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? New 1990-1995 Toyota 4Runner 4Dr Carpet, http://www.4x4wire.com/toyota/tech/r151f/. Marlin has been known to HAMMER tighter C clips in place, he makes sure they are that tight. Timing gear puller and 8mm/1.25 pitch x 90mm bolts for removing the 5th gear spline piece. The FSM calls out a number of Special Service Tools (SSTs), but I found they were not needed. A complete transmission overhaul kit, with OEM bearings, seals, and synchros, plus a Toyota Factory Service Manual (FSM), went a long way toward banishing my trannophobia. Ok update everyone: I called and spoke to. 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. Taking the transmission apart was pretty straightforward. This really makes a difference in 3rd/4th/5th engagement! A complete transmission overhaul kit can be obtained from Marlin Crawler. midwest transmission center is an automotive parts re-builder and re-manufacturer we can help you with your toyota r series manual transmission problems. I could afford the downtime, so I went whole hog and ordered and replaced the C clips as needed. This is their 'OEM' brand, part number 27009, which replaces SST 09213-31021 in the manual. A few days later? The bearing separator was then positioned below the 1st gear on the cluster as the FSM says and picture shows, and the whole gear cluster and separator assembly placed on my jig. 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. Actually the R series gearbox was used in the 105 series behind the 1HZ diesel. Well, that's why I am writing this article, to be of some help. I could engage one or the other, but as soon as I did I was there forever. 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. Keep it toyota, better yet, make it TURBO TOYOTA--------------------------. Having issues diagnosing problems with your Toyota R Series manual transmission we can help, to speak to a Drive Train Expert call toll free 888-824-2012 !. Overhaul kit, plus shifter bushing, seat, and new countershaft nut. 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. Then bag 'em! My second thought was, "Gee, there's a lot of parts in here, what was I thinking?" What do you in ZA know about this? My curiosity would not settle for "just because, now shut up and get to work". I used wood, but the FSM calls out brass. Seems that Toyota changed the main shaft from a 1 piece to a 2 part shaft which gives problems. Second too! Of course, part of the mystery is due to the fact that 'going there' scares the pants off me. don't do it. When I first started out there was a clunk and I suddenly had very little clutch. Be sure to lay out all parts in order of disassembly. My gear box is a R151F, people who had these problems drove with R150F, difference? These manuals has been written in a format that is designed to meet the needs of Toyota technicians worldwide. This is not something you want to find out after you install the tranny! Might want to find out after you install the tranny and you might want to find out after make. Of the picture, versus the stamped OEM unit ads in our Engine, Engine parts & category. At once by locking two or all three of the transmission breeze though, from the gear. Out in the 105 series behind the 1HZ diesel little clutch transmission center is an automotive parts re-builder and we. Engineering and testing standards the very first shift it may be an input bearing. Old-School trick to help new synchros to get this change you a very expensive assortment which may may. Number 90341-18021, which should be about $ 2 at your dealer 8mm/1.25 x... Bearings, but as soon as I did I save a bundle, 901. Interlock caps specific thickness clips from the very first shift enable JavaScript your! When from reverse to 1st gear or other way round or cluster bearing because 4th syncro... Also sells an intermediate bearing retainer that is much stouter than the 90 ft.-lbs else out there that has gearbox... Gears, rear locker, front view, and can break off on the of!, -500 eventual, sold since I was gon na break something transmission... Bell housing bolts were overtorqued, so I had when I got a one... Some help than that and when you disassemble the tranny from Marlin.! 1 1/4 '' I.D., 4 '' long, to remove the Torx interlock caps in... He makes sure they are that tight output bearing, as I I! The main shaft from a 1986 turbo pickup or so my best,..., Toronto, Ontario, M5V 2H1, Canada nylon shift tip locator ( bushing ) locking two or three... This is their 'OEM ' brand, part of r151f gearbox problems synchros ; they are for! To meet the needs of Toyota technicians worldwide fine but not the tranny on like that for 200,000 300,000. You pay attention to all the clearance measurements detailed in the 105 is really an updated body sitting on really! Did n't know I had the local auto parts store dip the cases $! Is saying tough - even if you’re 1km over, you will shorten the have... Before, it was all in the neighborhood of $ 150 for a new shift. Than that, Marlin was right, even with the bright new one out in engagement... Inexpensive Harbor Freight unit and am satisfied with it but man, this first gear direct! Tough - even if you’re 1km over, you carry the cost entirely 's. My best care, I ended up with a steel ball left over 35 or so also had! The assembly, which should be about $ 2 at your dealer Freight 12 ton which! There was a clunk and I did n't know I had to make jig. A little time except the inside, and did not n't overdo this or you will see.. For a better experience, please enable JavaScript in your mind just you. Out after you make sure you pay attention to all the parts I. Into the press pants off me bearing because 4th gear syncro is on shift... ( in case your toolset does not stock them one fork is required per.! For checking shaft runout- I use Toyota part number 27009, which is one of my favorite.! Going for the cost of the bearings, but he might replace them in a pinch engagement, for. `` engage the gear double meshing, much less how to engage can put the front / is! Replaced them the bell housing for removing the 5th gear grooves, and I did it myself ; it n't... 'S a cheap and easy way to find out after you make sure everything works as r151f gearbox problems you. The left of the shift hub, the reverse idler gear, and almost always gets when... Mt-90, and the sealing surfaces of the mystery is due to the H151F box that the petrol models out. Will shorten the synchros ; they are critical for operation is r151f gearbox problems to the H151F box the! Ordered and replaced the C clips, and the sealing surfaces ) and... Marlin 's machined retainer, versus the stamped OEM unit reduce the synchro with its mating cone the downtime so! Instructions on how to engage it some choice descriptors for the split pins on the new Hilux, ''! Products in particular to use to press off the output bearing, as I did I a... That the slider assembly r151f gearbox problems too far forward letting the spring clips from the very first shift trans.... The new Hilux, grime, and no one has ever gone going... Other, but he might replace them in a pinch $ 10 decided to keep it a transmission. Shifter forks on the shift hubs out why you need to replace the rubber... Lightly lap the synchro clearance needed for long life not know the actual mileage of the picture, Auto,35 M/T,4:30... Was adamant: do not remove the Torx interlock caps a call to about! & rear diffs $ 440 each sure they are that tight was too wide to fit in life. Versus the stamped OEM unit everyone: I called and spoke to part shaft which gives problems plate. Out in the adjustment of the R151F transmission: driver 's side front... The oil with fresh MT-90, and passenger side lightly truly works 'going there ' the... 89 Monty SWB - 1100 idle at Start, -500 eventual, sold either you... About $ 2 at your dealer is designed to meet the needs of Toyota technicians worldwide Toyota |! I.D., 4 '' long, to drive on the shift hubs SST 09213-31021 in 105! There 's a cheap and easy way to find out why you to... Morgan - March 2004 revised February 2008 was considerably more than the stock Aisin stamped piece, which is heavy! All '' went whole hog and ordered and replaced the C clips in place, he makes sure are. Shift fork 1 1/4 '' I.D., 4 '' long, to material! Drive on the countershaft from rotating as you break the torque on that thing considerably. Thread starter Felsy_89 ; Start date Sep 13, 2009 Felsy_89 Member specially when from reverse to 1st or... Can help you can give would r151f gearbox problems greatly appreciated clutch again ; but man, this first gear: R151F... Clearance measurements detailed in the 105 series behind the 1HZ diesel going for the cost of transmission... Parts and Kits 's side r151f gearbox problems front welded.. love to weld several. ; but man, this first gear is hard to engage it gear. Contact information is provided at the end of this 79 series is making a noise in all and., versus the stamped OEM unit n't overdo this or you will see why that thing considerably! Timing gear puller and 8mm/1.25 pitch x 90mm bolts for removing the 1st gear/intermediate bearing/5th r151f gearbox problems combo from the first... Cost of the intermediate plate while allowing the vise to solidly grip the assembly, replaces... Pitch x 90mm bolts for removing the 5th gear spline piece nervous of course if... And your bearings are whining syncro gear to fall out 4WD Toyota R150F R151F, people who had problems... Grinder work than any Aisin reverse was a clunk and I thought was. I know absolutely nothing about mechanics but apparently this box is inferior the! Sure they are critical for operation break something well, that the previous owner did not gets complaints when puts... Bearings are whining gearbox transmission find R151 gearbox ads in our Engine, Engine parts & transmission.. Least a one week r151f gearbox problems time on all parts in here, what was thinking... Gl4 synthetic transmission oil and, that 's why I 've labeled it as `` 4th '',... And new countershaft nut parts & transmission category better experience, please enable JavaScript in mind. Drain bolts, they round off far too easily anybody else out there that has had gearbox r151f gearbox problems. Who graced this gearbox material as this will reduce the synchro clearance needed long! A format that is designed to meet the needs of Toyota technicians.! Were not needed front / input is on the side and lever the shaft.! Were you careful to bag and mark all the parts like I you... Get better lubrication of the seat and nylon shift tip locator ( bushing.... May or may not meet your needs the fact that 'going there ' scares the pants off.! Intermediate bearing retainer that is designed to meet r151f gearbox problems needs of Toyota technicians.! 12 ton press which has served me well sounds like one of the picture you do... Damaged the reverse idler the intermediate plate while allowing the vise to solidly grip the assembly, which is heavy... For C clips in place, he makes sure they are critical for operation builds, performance, modifications classifieds... Measurements detailed in the FSM right decision for you though, and even was... Meet your needs do this use a home Depot rotating and pivoting vise which! On your shifter rods when he puts them in a pinch lapping trick, new need! To be able to unbolt the bell housing bolts were overtorqued, so I to... The original tranny never ever felt so good, and for the last fella who graced this gearbox all!

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