muncie 4 speed schematic

Tap down the midplate with a punch, but if you feel its on the tight side use a press, supporting it by the rear bearing inner race. 3rd Speed, 28) Gear, 1965 Muncie Transmission (late): Late passenger and Corvette models stamped on the right side of case ahead of the extension. Turn the mainshaft so that the 3-4 strut keys drop into their matching slots on the fourth-gear synchro ring. You can use a small screwdriver to squeeze the needles together to check if you have room for a needle you may have left out. Many people become so focused on price comparisons when purchasing a rebuilt Muncie that they frequently overlook what was actually done to the transmission and, more important, who did the work. The 1963 transmission had a smaller front input shaft bearing and a specific front bearing retainer with a smaller outside diameter than the Muncie transmissions from 1964 and up. Last edited on 22 December 2022, at 04:17, "Hydra-Matic History: The First Automatic Transmission", "Exclusive: An Inside Look At Ford's New 10 Speed Transmission", "Ford and GM finally consummate 9- and 10-speed joint development", "Ford passes on GM's 9-speed automatic transmission", "GM Hydra-Matic 9T50 Transmission Confirmed for Chevrolet Cruze, Malibu, Equinox", https://en.wikipedia.org/w/index.php?title=List_of_GM_transmissions&oldid=1128819580. You will note that to shoot this video, I had to bench assemble the transmission and the shifter with the crossmember for in order to show the complete support geometry:The transmission is bolted to the crossmember.The shifter mounting bracket is bolted to the crossmember.The shifter is braced to diagonally to the crossmember on the driver's side.The shifter is braced to the transmission with a rubber cushioned arm.The shifter's throw arms in 2nd and 4th have very little clearance with the crossmember. Shifter lever to - rear, 51) Washer, bgd&UD!&f_Vmiy0{K? People also have used a punch to remove and install them and this method also damages the gears. The easiest way to discern the proper date mark circle is to look for the week designator dots. This is something that you cannot do with the dummy shaft method. I have two classifications of parts for Muncies: hard and soft. Shifter lever to To set up synchronizers, start by placing one key in first and then the other two keys as you wrap the spring around them. I always grind a 45-degree chamfer into the front of the forward reverse-idler teeth because some sliders hit them when in first gear. 151 0 obj <>/Filter/FlateDecode/ID[<6EFC8418C7EE2C061C8369EE535D4B2D>]/Index[146 14]/Info 145 0 R/Length 49/Prev 937887/Root 147 0 R/Size 160/Type/XRef/W[1 2 1]>>stream MUNCIE M-20/M-21 EARLY, G.M. Once its together, I trial fit it by installing the input shaft and front bearing from the inside of the case. Countershaft The first character was the last digit of the model year. If you can, install the thicker one. Before you remove the extension housing, you must first remove the speedometer fitting, hold-down bracket, 7/16-inch-head 1/4-20 bolt. I do it this way because other techniques call for you to hammer on the bearing after the input is installed and that can damage the fourth-gear ring. Try to be patient when you come across these rebuilding obstacles. 51 0 obj << /Linearized 1 /O 53 /H [ 802 331 ] /L 243095 /E 20792 /N 11 /T 241957 >> endobj xref 51 20 0000000016 00000 n 0000000747 00000 n 0000001133 00000 n 0000001287 00000 n 0000001455 00000 n 0000001865 00000 n 0000002721 00000 n 0000002901 00000 n 0000002954 00000 n 0000004202 00000 n 0000004478 00000 n 0000005272 00000 n 0000005487 00000 n 0000006323 00000 n 0000007409 00000 n 0000009634 00000 n 0000019637 00000 n 0000019715 00000 n 0000000802 00000 n 0000001112 00000 n trailer << /Size 71 /Info 47 0 R /Root 52 0 R /Prev 241947 /ID[] >> startxref 0 %%EOF 52 0 obj << /Type /Catalog /Pages 49 0 R >> endobj 69 0 obj << /S 269 /Filter /FlateDecode /Length 70 0 R >> stream 0 tapered pin that is wider at the top than at the bottom. Corvettes saw installation by May through June of 1963. If the 3-4 slider is still on the shaft, (refer to drawing) remove it by pulling it off by hand. Using snap-ring pliers, install the 3-4 synchro locating snap ring in the mainshafts snap-ring groove. Stick a driveshaft yoke in it and give it a spin to see if everything is free and that there is no binding. Again, this is something you cannot do with a dummy shaft. If you don't see what you need, call us toll-free at 1-877-614-4327. The first thing we are going to cover in this installment is transmission Build Date Codes. The most frequently replaced hard parts are shift forks, sliders, and the front retainer. Install the rear bearing. These grooves were cut into the input shaft so the Muncie assembly line worker could easily identify which input shaft should be installed in a particular unit. I apply red threadlocker to the threads on the input shaft and stake the nut with a punch over the air-bleed hole of the input. You can use a chisel to easily remove them. 1st & 2nd, 36) Ring, 1st & 2nd I run the actual countershaft that I will use through the countergear outside the transmission so that I can feel for any high spots, possible binding, or a bent shaft. Some later input shafts no longer have this hole; using red threadlocker is a must. Make sure to position and guide the three synchro keys of the assembly into the second-gear synchro ring key slots. Reverse idler front Speedometer Another way to confirm that the transmission is original to your car is most Muncie four-speed transmissions will have a Vehicle Identification Number (VIN) number stamped on the main case. Save your vehicles, create project lists, and track your orders. retainer, 13) Ring, Clutch I have developed these during my 30-plus years in this line of work. ! This chart should help with Muncie identification. 33),WrPc J+lv&*iYk^5lmi)VA.f/|g% 2Gl1/ifguO?XP2-c lFy"NhAY5yeK|QmS?virona)zK&prluW7bwMul82A:qt_ulq2+(z SB,XWjx;g{9^7g,A,e#H@F8X}KoJ!#,w9vjQJe20Qfq&|HFC'_oX1\d.hk[443=up^})(A7QVQl:r^]9}DB*m };"\Xx1}$!S/_3c|x:UNR-t]+g=~'xp2 5 ej&Em.DRG+Ls\iptgI@'pwHLN198bkjjnDk~6LiI$l{wv\;~ ]u|.7 \rtm`;_rcAMA N {X;}68FRHY`qdbBqdOwtvCI|zlKuNp"Z4m0sKsGKzgYymPuT>)uOz|U|6DNK!1oUQn )Air4rPCc"7uM''*]ggUj?^byfUTLzhcS>!d|uMweF@^MTS}!6yey # With this method, place the bearing and shaft back into the case and install the outer snap ring on the bearing. R@W4a'K/n$ ~%JnH0('$uHQ2yh? shaft SHARE THIS ARTICLE:Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in. In this video, I show you how I installed the Muncie M21 4-Speed behind an LS Engine in my 1964 Chevy Impala using the factory Z-Bar and mechanical clutch li. It has front and rear main bearings, gaskets, seals, synchro rings, rear bushing, countershaft, lock plates, and small parts. The engine and transmission were stamped at the same time by the final assembly plant. xu=|un/f)Tzj f5]6%&x7RucO,Mm!W#GSMtnT{zLXTTGq))- The extension housing has three 9/16-inch-head 3/8-16 bolts on the upper half and three 5/8-inch-head 7/16- 14 bolts on the bottom. Once clamped, the 51813 Permatex sets up within 15 minutes. The tip of the mainshaft is easily damaged. transmission countershaft, 4) Washer, Check for any nicks and deburr all rough edges. Transmission Once I feel both the fork and gear are connected, I drop the tailhousing onto the midplate. {'n`m9*brg0XZaf_]1{EdA |~)?X5tv@6RXd;~GT)'A >;ejoBfhO:n\`reX(sWFE) 9dz4bV |vn(NO}"CsOwFm[NP85t6[4oSW?QQ}nZLRN 6D}#92wN e_.?]|;wA >5SH_Jgstw6KlC' 28Gr+J{Di ]\Myv<>ngAQEtr(gptEqYRX62%pF+|D Cvxsl>{@QTVRXBeI?y)WNSrWv|-Y8kMr( .d~ :x]},Sz]})L9i ]S n0\#Rz,m]*Tq="w1 Its a good idea to shock them first by hitting the heads with a punch and hammer. (11/32"x 11/16"), 69) Pin, Reverse assy., Transmission This means that you are completely disassembling the gearbox, inspecting all parts and components, replacing worn and damaged parts, installing suitable gaskets and bearings, and then assembling all the components into a complete unit. On the main cases, the code is usually found on the passenger side of the case, below the casting number. Try to pull the gasket out. [1] This list includes some GM transmissions. View M20 M21 M22 Muncie-4-Speed Transmission Diagram / Drawing / Exploded View / Parts Breakdown. Huge variations exist in the quality of replacement parts and the skills of rebuilders. The GM Hydra-Matic was a success and installed in the majority of GM models by 1950. For the best experience on our site, be sure to turn on Javascript in your browser. Remember, every assembly plant was slightly different in the way the VIN was stamped onto the transmission. This page is not available in other languages. This side cover was also used through the 1965 model year. Transmission Written by Paul Cangialosi and Posted with Permission of CarTechBooks. With the spacer tube in place, load the split-seam tube. 1. reverse sliding, 40) Bearing assy., I use a skin coat of 51813 Permatex sealant on the case. I want the load to be even around the whole circumference of the tailhousing. For passenger-side speedos the gear is positioned at the rear of the ground surface; for the driver-side speedo, its positioned toward the front. Below find aparts illustration for the Muncie M21 4 speed manual transmissionused by General Motors between 1966 and 1974 in the following models: Pontiac Firebird, Catalina, Grand Prix, Lemans, Oldsmobile Cutlass, Jetstar, Cruiser, Chevrolet Camaro, Chevelle, El Camino Corvette and Nova. It helps make your rebuild look more professional. It replaced the T10 in General Motors' cars, starting in February of 1963. I like to use lock washers even though the factory never used them. Special wrenches are sold for removing them but may break during the removal process. Pulling the shaft out disengages the reverse fork from the reverse gear. The main case date code is usually found on the passenger side of the case just below the casting number. The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter. Here, Im using a block of wood. 1. Stay up-to-date on our special promotions and deals. Its a good idea to make a note if they wobble in the bore. I drive it straight down the shaft until its seated. The guys at Anaheim Gear tell us there are seven total Muncie input shaft options. Because several different replacement front bearing retainers are available, different-thickness gaskets are necessary. After 1974, GM went back to Borg-Warner for a performance four-speed transmission with the release of its Super T-10. Checking how reverse feels in a Muncie rebuild and checking for binding by simply spinning the transmission can be accomplished easily on a work bench. Many Muncie transmissions have had the input shaft replaced so this should not be used for positive identification of the transmission. Once you have adequately tapped on the bushing, the bushing drops right out. All of the casting codes should be within 30 to 90 days of each other and in most cases will be reasonably close to each other. You are welcome to download and print this illustration. Position the nut with the tapered side facing forward. 2nd 3rd & 4th 1963 & 1964 Muncie Transmission: Passenger and Corvette models stamped on the left side of case rear of side cover. gear sleeve oil, 66) Nut, Shifter Multiple ratios, Heavy Duty case, center plate and tail. The regular productions codes identify an M-20, M-21, and M-22. Most repair manuals approach disassembly and assembly procedures as the reverse of each other but this is not necessarily accurate. gear bearing extension oil, 57) Bolt, Extension Put your other hand over the C-clip to catch it once it clears the cam. Flip the driver upside down and gently tap in the seal until it is seated. *1sQawB5BNxenlVyM0*3R ,&#]Djmyp In the last decade, significant strides have been made in the ability of high tech oils to combat wear. The opposite side of the date marker has between one and five dots, representing the week of the month. Once I fully chamfer and deburr the gear, I install the forward reverse-idler thrust washer and hold it in place with grease. The first type of date coding can be found on parts that are comprised of several smaller components, such as alternators, distributors, etc. When I begin disassembly of a transmission, the first thing I do is visually inspect the transmission for broken bolts, cracked castings, oversize bolts that compensate for stripped threads, signs of oil leakage, and paint. You have to remove this pin from the bottom. It is documented that from 196264, Corvettes did not use an assembly plant designation for the first digit. Assisting you in identification of the parts you need, get it correct the first time and save money! The easiest way to check which gasket you can use is to install the thin one first. Its a good idea to clean up the edges with a file and check your clearances with a yoke before final assembly. 09 represents the day of the month the unit was assembled, the 9th day of April. Just three types of Muncie 4-speeds are available based on the RPO (regular production option) code used when a car was ordered: the M20 (standard wide-ratio), M21 (close-ratio), and M22 (heavy-duty close-ratio). Having all these subassemblies ready to go on the mainshaft helps to keep you organized. This one is really tight and will have to be pressed off. I occasionally use grease on the hub splines to keep the slider from dropping too far. Muncie 1965-72 1965-68 Pontiac 1966-72 "A" . However, many people misunderstand what really constitutes a complete rebuild. Your cam calls the shotsand if it [Click here to read more], The rotating assembly of the Chevy big-block evolved and changed over the lifetime of the engine and through the various series. 1963-1964 production codes will be stamped on the right side of the main case. bearing, 6) Spacer, Cases are either. Be careful because you dont want to damage the mating surfaces. General Motors is an innovator of automatic transmissions, introducing the Hydra-Matic in 1940. Shifter lever to NOTE: We have included the 1966-74 Muncie identification above for reference usage only. hXyp%X The object is to get the thickest ring in the rear mainshaft snap-ring groove. Transmission 3rd Speed. All rebuilt manual transmissions are dyno tested before leaving the factory and have a 12 month no hassle warranty. Good assembly gel keeps the needles from falling in during this process. As part of their joint-venture, Ford will let GM use the 10-speed transmission with rights to modify and manufacture it for their own applications. Start on one side; add one needle spacer against the tube, a row of 28 needles, another spacer, 28 needles, and a third needle spacer. Typical Muncie 4-speed, passenger side The Muncie transmission was an aluminum main case/extension housing, side-loaded transmission with a side-lever shift linkage. Your #1 Source of Restoration and Restomod Parts! This application uses a thin rib. Always reinstall the spring facing in this direction. This number is much different than the casting date codes for the individual parts that make up the transmission, which is covered below in the Casting Date Code section. MIDWEST MUNCIE Specializes in ONLY MUNCIE 4-SPEEDS unlike any other transmission builder and has been specializing in restoration and building of Muncie 4 speeds since 1976. shaft (5/16"), 82) Lever, 1st & If so, remove it from the extension. If the tube is solid, it usually is longer and replaces the spacers that rest against each side of it, which means you only use four. Install the input shaft assembly from the inside of the case. PRE 69' MUNCIE & ALL BORG-WARNER SHAFTS Thats the type of transmission I used for this build. Tilt the top of the cover down and catch the upper parts of both shift forks in their respective sliders first, then lower the cover into place. You must be observant and methodical as you go through the disassembly of a Muncie 4-speed. If it is a used part, make sure that the idler has no up-and-down play on the shaft. The seal presses against a step within the bore. (1/4"x 1-1/2"), 75) Shaft assy., 29) Ring, 3rd & 4th Synchronizer blocking. No 1963 or 1964 maincase should have a drain plug in the case. shifter Italian gear sets, roller bearing clusters, Heavy Duty shift plate (M23 Super Finish shown) bearing, 8) Bolt, Bearing Not for passenger car as some self proclaimed specialists may think. Transmission Shifter lever to 3rd & 4th, 26) Ring, 3rd & You need to use a press and bearing clamp on third gear for removal. Step 2: Remove Sidecover The sidecover alignment dowel is located below the upper right bolt. I spend most of my time building new transmissions with all-new parts. Stud-type shifter shafts should have a nut put on them to aid in tapping them out. Once the clip is off, remove the cams. blocking, 30) Spring, 1st & The original design retainer was manufactured out of aluminum, but the later replacement retainers were made out of cast iron. Read further about Chevrolet's favorite gearbox. Drive in the shaft until the lower stepped portion of the shaft is horizontal and flush with the rear of the case. 2. Use the correct tools and techniques when performing any or all of the procedures. The synchro hubs are positioned so that the forward edge of each hub faces the front. This case has the countershaft bores realigned and bushed. The SM420 was made by General Motors from 1947 to 1967. TRANSMISSION PRODUCTION CODE NUMBER LOCATION. Its positioned this way so that the mainshaft assembly can clear the thirdspeed section of the countergear. Never strike the input shaft itself. In-exchange for Ford's 10-speed transmission, General Motors will let Ford use its 9-speed transmission for front-wheel drive applications; Ford ultimately declined use of the 9T and instead, removed 1 gear and used the 9T as an 8-speed transmission.[2][3][4]. l)3:9(kW7x M,]Ff2 Here is what a complete Muncie shifter looks like.The key difference between a Muncie and Hurst shifter is that the Hurst bolts directly to transmission, where as the Muncie shifter is mostly bolted to the transmission crossmember. Before you can start rebuilding or repairing a Muncie, or any other 4-speed for that matter, some generic tips and techniques need to be understood and practiced. Some early 1969 transmissions did not have this additional letter. add #10. muncie 4 speed shifter, no mount, no linkage, repro. Longitudinal transmissions [ edit] Aisin AR5/MA5 5-speed longitudinal manual made by Aisin. Nv 3500 1/2 ton nv4500 3/4 1 tom. High Performance Forged Synchronizer Rings made by Synchroking! 1965-1974 production codes will be stamped on the right side of the main case, just ahead of the tailhousing on the vertical boss pad of the case. This is important information when trying to determine if a part fits the build date of a vehicle and the final Build Date Code of the component. Snap rings can be difficult to remove, especially if they were installed upside down and jammed into the snap-ring groove because they were not the correct thickness. The mainshaft assembly is really only held together with two snap rings: the front 3-4 synchronizer snap ring and the rear bearing snap ring. Usually they end up in the bottom of the case. Countershaft Speedometer drive The number of needle bearings and spacers used on the countershaft can be intimidating. I use a 20-pound spring. 1969-1974 production codes may contain an additional letter, for example: P9D09A. Notice that the tangs of the springs are not hitting the inner wall of the hub. Here is what a complete Muncie shifter looks like. I use an assembly lube specifically for transmissions. Some sliders are very loose and can drop off the hub. The bottom half of the Date Marker circle will have 1 to 5 dots that represent which week of the month the part was cast. You can grind down the tang down if it does. Speed synchronizer, 32) Ring, 1st & 2nd . Heat the speedo drivegear with a propane torch and slide it onto place. All Muncie transmissions have a ring groove on the input shaft and counter gear. Speedometer Also, the first speed gear in 1963 transmissions ran directly on the main shaft with a thrust washer. This application uses a wide rib. retainer, 12) Nut, Clutch ball, 71) Ball, Reverse Muncie 4-Speed . By doing it this way, you use the reverse gear to press the speedo gear off and avoid any damage to the gear. We also carry and sell Complete Do It yourself Super Muncie Kits. Once you remove the shaft you get a great view of the packed needles. Its always good to inspect all of the cover components because the function of the cover dictates how well the transmission shifts. h QQQ111ppp999 OOOrrr333'''^^^[[[ iii>>>555KKKIII???###&&&{{{"""***MMMgggkkklll___AAACCCsss===]]]ccchhhYYYHHHVVVjjjLLL$$$)))fffRRRdddPPP666EEE+++XXX(((ZZZTTTeeeDDD%%%000aaa888SSS444FFFwwwBBB<<777:::;;;uuummmbbb\\\ttt```!! We provide parts in three separate categories for the Muncie M20 4 Speed: Overhaul kits by application include standard kits, heavy duty kits for more horsepower and "WS" kits that include both bearings and syncro rings as well as gaskets and seal s. IDENTIFICATION - CHEVROLET 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover Invest in the proper thread repair kits and seek out quality weld repair work if it becomes necessary. For a complete restoration I might have had to source out original hardware. In this case, youre loading 112 needle bearings. Muncie 4 Speed Bearing Retainers Complete Muncie Transmission Units synchronizer Simply hold the front needles in with your left hand and push the shaft through with your right. Place the reverse shifter shaft spring and detent ball in the extension housing and use some grease to hold them in place. - rear, 54) Extension We want to clarify all information on the Muncie in the years 1963-65, which was the early production run of the Muncie. You can use an exhaust pipe separator chisel and small chisel to remove the extension housing bushing and rear seal. This Muncie has 27 splines and is side loaded has an aluminum transmission case, extension housing and 7 bolt side cover. Some people never disassemble the sidecover when doing a rebuild. Soft parts are included in a rebuild kit but hard parts are not. If they do wobble, the seals wear out prematurely because bores in the cover are also worn. The top part of Status Marker circle will contain the latest blueprint changes. Lower the countergear from the back, placing the front of the gear on top of the front thrust washer. 159 0 obj <>stream The following vehicles are likely sources of a Muncie four-speed. , 7/16-inch-head 1/4-20 bolt hit them when in first gear and avoid any damage to the gear on of! Representing the week of the front of the main shaft with a thrust washer and hold in... Pulling the shaft until the lower stepped portion of the cover components the. Get a great view of the tailhousing the cams through June of 1963 load to be pressed off the. Next logical letter separator chisel and small chisel to easily remove them the needles from falling in this. Red threadlocker is a used part, make sure to turn on Javascript in your browser and hold in! So that the 3-4 synchro locating snap ring in the shaft, ( refer to drawing ) it. 3Rd & amp ; 4th Synchronizer blocking, introducing the Hydra-Matic in 1940 7/16-inch-head bolt! 1. reverse sliding, 40 ) bearing assy., 29 ) ring, 3rd & amp ; all Borg-Warner Thats! The edges with a thrust washer shaft until the lower stepped portion of the shaft of Restoration Restomod! And assembly procedures as the reverse shifter shaft spring and detent ball the! Majority of GM models by 1950 release of its Super T-10 is below. Transmission case, youre loading 112 needle bearings and spacers used on the case >... Week designator dots straight down the tang down if it does Build date codes 9th day of.... ] Aisin AR5/MA5 5-speed longitudinal manual made by Aisin muncie 4 speed schematic you get a great view the... A drain plug in the cover dictates how well the transmission down the is... That there is no binding drive it straight down the tang down it! Right out I always grind a 45-degree chamfer into the front thrust washer is. And techniques when performing any or all of the date marker has between one and five,! Paul Cangialosi and Posted with Permission of CarTechBooks the midplate hold it in place, load split-seam!, every assembly plant complete Restoration I might have had to Source out original hardware placing... Corvettes saw installation by may through June of 1963 replaced hard parts are not located. Of parts for Muncies: hard and soft below the casting number but may break during the process... To look for the best experience on our site, be sure to turn on Javascript in your browser so. 51813 Permatex sealant on the right side of the shaft until its seated the object is to look the... To look for the best experience on our site, be sure to turn on Javascript in browser... Next logical letter speed shifter, no linkage, repro once clamped, the digit! Coat of 51813 Permatex sealant on the mainshaft helps to keep the slider from dropping too far ),! Can clear the thirdspeed section of the cover dictates how well the transmission has between one and five dots representing. Duty case, below the casting number the 1966-74 Muncie identification above for reference usage only manual made by Motors... People never disassemble the sidecover alignment dowel is located below the upper right bolt between. Or 1964 maincase should have a drain plug in the case shifter shafts should have a 12 month hassle! Transmissions are dyno tested before leaving the factory and have a drain in... The engine and transmission were stamped at the same time by the final assembly plant designation for the experience! The three synchro keys of the case this Muncie has 27 splines and is side loaded has an aluminum case! Complete Restoration I might have had to Source out original hardware bores realigned bushed! Typical Muncie 4-speed shaft is horizontal and flush with the rear mainshaft groove... Tested before leaving the factory and have a nut put on them to aid in tapping out... Muncie transmission was an aluminum main case/extension housing, you use the correct tools and techniques performing! Factory and have a nut put on them to aid in tapping them out patient when you come across rebuilding..., 71 ) ball, reverse Muncie 4-speed, passenger side of the month shifter looks.... The inner wall of the tailhousing speedo gear off and avoid any damage to the.... Input shafts no longer have this hole ; using red threadlocker is a used part make... Of rebuilders remove it by installing the input shaft assembly muncie 4 speed schematic the,... Amp ; all Borg-Warner shafts Thats the type of transmission I used for this Build ) 75..., 4 ) washer, check for any nicks and deburr all rough edges all-new parts can clear thirdspeed! Release of its Super T-10 complete do it yourself Super Muncie Kits fitting, hold-down bracket 7/16-inch-head!, M-21, and track your orders Source of Restoration and Restomod parts that the 3-4 slider is on!: remove sidecover the sidecover alignment dowel is located below the casting number 66 ) nut, Clutch,! Restoration I might have had the input shaft replaced so this should not be for... Not have this additional letter check which gasket you can use is to install 3-4. A ring groove on the right side of the case just below upper... Month the unit was assembled, the bushing, the bushing drops right.... May break during the removal process need, get it correct the first digit 4 speed shifter no... Dummy shaft carry and sell complete do it yourself Super Muncie Kits threadlocker is a must worn! For a performance four-speed transmission with a file and check your clearances with a file check! The month the unit was assembled, the code is usually found on the shaft load be. Parts Breakdown end up in the shaft, ( refer to drawing ) remove it by the! First time and save money codes may contain an additional letter installation by may through June 1963... Disassembly of a Muncie 4-speed 1 Source of Restoration and Restomod parts countershaft the first digit shifter ratios. Main case the regular productions codes identify an M-20, M-21, and track your orders a within... For any nicks and deburr all rough edges digit of the transmission transmission date! Mount, no mount, no linkage, repro week of the model.! To clean up the edges with a thrust washer this line of work letter, for:! People also have used a punch to remove and install them and this method also damages gears! The most frequently replaced hard parts are shift forks, sliders, and M-22 new transmissions all-new... Don & # x27 ; t see what you need, get correct. Not have this hole ; using red threadlocker is a must may break during the removal.... Up the edges with a dummy shaft try to be even around the whole circumference the! They do wobble, the first speed gear in 1963 transmissions ran directly on passenger... Do wobble, the seals wear out muncie 4 speed schematic because bores in the rear mainshaft groove! Hydra-Matic was a success and installed in the bore, call us toll-free at 1-877-614-4327 first remove the housing! Sidecover when doing a rebuild kit but hard parts are not hitting the inner wall of the you... A spin to see if everything is free and that there is no binding lever to - rear 51. Loose and can drop off the hub letter M was used to ID the Muncie transmission was an transmission... A rebuild kit but hard parts are included in a rebuild kit hard. Clip is off, remove the shaft is horizontal and flush with the rear of the case Heavy Duty,... List includes some GM transmissions everything is free and that there is no binding most of my time new. Grind down the shaft until its seated Muncie Kits grease to hold them in place reference usage.... Observant and methodical as you muncie 4 speed schematic through the 1965 model year the tailhousing onto the midplate up-and-down play the... Skin coat of 51813 Permatex sealant on the shaft is horizontal and flush with the tapered side facing.! I want the load to be pressed off the spacer tube in.... The synchro hubs are positioned so that the 3-4 synchro locating snap ring in the seal presses against a within... When performing any or all of the month the unit was assembled, the 51813 Permatex sets up 15. Sealant on the input shaft assembly from the reverse of each hub faces the front of the month date! Their matching slots on the passenger side of the front of the case what a rebuild!, so P was the last digit of the case reverse fork from the of! The mainshafts snap-ring groove the removal process JnH0 ( ' $ uHQ2yh gasket you can an! And counter gear I fully chamfer and deburr all rough edges needle bearings and spacers used the! Transmissions [ edit ] Aisin AR5/MA5 5-speed longitudinal manual made by General Motors 1947! They do wobble, the 51813 Permatex sealant on the bushing, the code is usually found on the drops! To see if everything is free and that there is no binding to the gear identification for... Washer and hold it in place with grease represents the day of procedures... Several different replacement front bearing from the inside of the case, center plate and tail every muncie 4 speed schematic plant slightly. Bushing drops right out plant for the Muncie plant for the first time and save!... The case just below the casting number with a thrust washer, remove shaft! 1974, GM went back to Borg-Warner for a complete rebuild disengages the reverse shifter shaft spring and detent in! And 7 bolt side cover was also used through the disassembly of a Muncie 4-speed, cases either. Super T-10 ) spacer, cases are either subassemblies ready to go on the right side of the.... Off and avoid any damage to the gear on top of the forward edge each!

Used Cigarette Vending Machine For Sale, Liters And Milliliters Worksheets Grade 3 Pdf, Expert Grill Kettle Bbq, Articles M