Your #1 Source of Restoration and Restomod Parts! Today, GM uses a simple naming scheme for their transmissions, with the "Hydra-Matic" name used on most automatics across all divisions. If so, remove it from the extension. synch. It is documented that from 196264, Corvettes did not use an assembly plant designation for the first digit. This acts like a sealant and a threadlocking compound. I occasionally use grease on the hub splines to keep the slider from dropping too far. extension oil, 57) Bolt, Extension The combs must be flat. P represents the manufacturing plant, Muncie. The 3-4 sliders tapered side faces the front and the 1-2 tapered side faces the rear. The side cover date code is usually found near the casting number. Its best to position the reverse arm midway. An easier solution would be to find one of the more standardized 2.52:1 or 2.20:1 Muncie four-speeds that were used from 1966-'74. Be careful because you dont want to damage the mating surfaces. 3. (Cheap light-duty wrenches are good for only one or two uses.) (Please refer to the component casting chart and the location of the transmission build date to determine the correct model year and application for the part.) endstream endobj 1 0 obj <> endobj 2 0 obj <>stream part #342864 $299.00. 2nd Speed, 29) Ring, 3rd & If you have to pull it apart again, it is one less step to perform. Reassembling the mainshaft is pretty much a reverse of the disassembly procedure. In Argentina, the Turbo Hydra-Matic was available on some models of the 1969-1978 Chevrolet "Chevy," essentially the 1968 U.S. Nova, but was marketed as the "Chevromatic.". Place both forks in the sidecover and make sure that the ends of the forks are deep enough to contact both combs. Good assembly gel keeps the needles from falling in during this process. You need to be in second gear to clear the reverse idler case boss. I was the first to get my kits into most of the specialty muscle car retailer catalogs. This one is really tight and will have to be pressed off. The first thing we are going to cover in this installment is transmission Build Date Codes. Make sure the backside of the teeth faces the thrust washer. Most of the Muncie four-speed transmissions will have a casting date code on the main case, extension housings, and side cover. blocking, 22) Spring, 3rd & Then remove the seven 1/2-inch-head 5/16-13 threaded bolts. This is something that you cannot do with the dummy shaft method. Start by placing the 1-2 shifter shaft in the second-gear position. The seal presses against a step within the bore. On the other hand, St. Louis-built passenger cars had the letter "S" as the first digit. Drive in the shaft until the lower stepped portion of the shaft is horizontal and flush with the rear of the case. General Motors is an innovator of automatic transmissions, introducing the Hydra-Matic in 1940. 04 represents the month code when the unit was assembled, April. Use this method on every gasket surface on the transmission. These seals seat in the bore with light taps. The object is to get the thickest ring in the rear mainshaft snap-ring groove. Confused? It may be advantageous to pull a transmission apart one way and assemble it another way. The number of characters in the VIN stamp varied from plant to plant. add #10. muncie 4 speed shifter, no mount, no linkage, repro. Sales & Service Teams now available 7 days a week! I usually take off the sidecover to see if the gearset has been run low on oil, has some broken teeth, or worn sliders and shift forks. - front, 17) Gear, Apply as much lube as necessary to hold the needles in place. (11/32"x 11/16"), 69) Pin, Reverse locating, 16) Gasket, Rear detent (3/8" Dia. %PDF-1.2 % (I never have leaks.) Countershaft (never I pre-position the bolts in the lock plates and apply sealant to them. Many Muncie transmissions have had the input shaft replaced so this should not be used for positive identification of the transmission. 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. The #3857584 extension was used for the remainder of the 1965 model year. Speedometer shaft (5/16"), 82) Lever, 1st & Usually the gear and 3-4 synchro hub dislodge if you hold third gear and gently tap on the front of the mainshaft. Catch the rear idlers splines on the internal splines of the forward idler. The main case date code is usually found on the passenger side of the case just below the casting number. Remember that nothing smaller than 350 ci is worth building. This code was used until 1967 when the code was changed to include the model year. Its a good idea to shock them first by hitting the heads with a punch and hammer. Notice the positions of the cams and the spring. CHART *MUNCIE Shaft Identification: Muncie 4-speed transmissions can be distinguishedvfthe rom style of the transmission arm attachment. I drive it straight down the shaft until its seated. They can actually hit the crossmember when the linkages are not attached, and this worried me, which is why this bench test was set up. People also have used a punch to remove and install them and this method also damages the gears. The second type of date code, which is the most common, refers to the casting date code. 4. By doing it this way, you use the reverse gear to press the speedo gear off and avoid any damage to the gear. Countershaft (5/i6"- 18 x 3"), 9) Lockwasher, If you plan to reuse them, you should remove the gear over a tray so you avoid losing any needle bearings. There are few visual resources out there for the original Muncie shifters that came stock on 4 speed Chevelles. This is not model or year specific. The Status Marker information was used by the Muncie plant to help track a problem part. Once I fully chamfer and deburr the gear, I install the forward reverse-idler thrust washer and hold it in place with grease. Use a small screwdriver to snag and drag the C-clip off the 5/16-inch-diameter detent cam. A dummy shaft is a slightly smaller shaft that is positioned in the gear and needles and spacers are loaded around it. Specific bushing installation tools are available for purchase, but for the one-time rebuild it is really not necessary. Its a good idea to make a note if they wobble in the bore. Always check to see that the date marked precedes the final assembly stamp code. If they do wobble, the seals wear out prematurely because bores in the cover are also worn. extension Of the regular production codes, one particular Muncie 4-speed type appears. Once you remove the shaft you get a great view of the packed needles. 1. /*%BpTCifDevg"v~D#({>&c+d6Bm]b{epm]eX$b"EY. 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 muncie 4 speed shifter & linkage, 67-68 camaro 68-72 nova 67 fb. The 1965 Muncie was identical to the 1964 version. The date marker has a month designator for when the part was cast or manufactured. Read further about Chevrolet's favorite gearbox. Let me explain. 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). Some speedometer drivegears on 1969 and 1970 transmissions are plastic and are held on with a clip. bearing retainer Special wrenches are sold for removing them but may break during the removal process. Before you [Click here to read more], The service life of any engine depends greatly on the quality and properties of the oil used. gear bearing Once you have adequately tapped on the bushing, the bushing drops right out. fits all muncie m20, m21, & m22 models; includes gaskets, & seals; also includes smaller bearing retainer gasket for some very early units with smaller retainer; After 1974, GM went back to Borg-Warner for a performance four-speed transmission with the release of its Super T-10. I always install the combs in the cover with the flat sides facing each other and then I attach the E-Clip to make sure it is fully seated in the pins groove. (1/4"x 1-1/2"), 75) Shaft assy., The month is determined by numbers 1 through 12, which correlate with the months of the year. Use a flathead screwdriver to pry near the extension alignment dowel and to break the seal. Place the exhaust pipe separator chisel in the oil return slot. Trans. Check for any nicks and deburr all rough edges. The Muncie four-speed, like the T-10, is a side-loading transmission. Hb```"%"A1e W)1m[+*$0M!Q Pkn$SIVbv%y\ex-Df5scm[6a]BL^A^ Td(()QR d`.W }d8 YST9{6LZ> PVW endstream endobj 70 0 obj 225 endobj 53 0 obj << /Type /Page /Parent 48 0 R /Resources 54 0 R /Contents 59 0 R /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 54 0 obj << /ProcSet [ /PDF /Text ] /Font << /F3 56 0 R /F4 61 0 R /F5 63 0 R >> /ExtGState << /GS1 67 0 R >> /ColorSpace << /Cs5 57 0 R /Cs9 58 0 R >> >> endobj 55 0 obj << /Type /FontDescriptor /Ascent 807 /CapHeight 754 /Descent -249 /Flags 262176 /FontBBox [ -140 -261 1195 990 ] /FontName /CCKOCC+Futura-CondensedBold /ItalicAngle 0 /StemV 141 /XHeight 505 /CharSet (/C/three/R/F/D/comma/four/quotedblleft/E/S/G/hyphen/ampersand/quotedblri\ ght/K/U/I/A/six/space/V/seven/parenleft/L/H/M/parenright/one/nine/P/N/O/\ B/T/colon) /FontFile3 65 0 R >> endobj 56 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 240 /Widths [ 245 246 360 490 490 858 590 250 300 300 376 490 245 318 245 547 490 490 490 490 490 490 490 490 490 490 245 245 490 490 490 454 833 528 479 452 530 392 394 563 555 255 352 513 373 722 573 582 487 582 530 440 414 544 565 793 545 514 508 320 250 320 490 500 300 433 433 315 433 414 299 437 424 209 209 440 210 639 424 436 433 433 315 376 308 423 452 694 489 452 401 300 250 300 490 245 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 490 490 0 0 0 0 0 830 0 0 0 245 0 0 245 490 245 245 0 423 245 245 245 245 245 0 0 245 0 0 0 0 0 245 0 245 245 0 0 0 245 0 0 0 0 0 0 0 491 491 0 0 0 245 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 245 ] /Encoding /MacRomanEncoding /BaseFont /CCKOCC+Futura-CondensedBold /FontDescriptor 55 0 R >> endobj 57 0 obj [ /CalRGB << /WhitePoint [ 0.9505 1 1.089 ] /Gamma [ 2.22221 2.22221 2.22221 ] /Matrix [ 0.4124 0.2126 0.0193 0.3576 0.71519 0.1192 0.1805 0.0722 0.9505 ] >> ] endobj 58 0 obj [ /Separation /All 57 0 R 68 0 R ] endobj 59 0 obj << /Length 1173 /Filter /FlateDecode >> stream 2.697 Wire assembly. 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. Once the seal has been installed, wipe any excess sealant off the housing. Remember, every assembly plant was slightly different in the way the VIN was stamped onto the transmission. Transmission 3rd Speed. According to an official report by the SAE (Society of Automotive Engineers) the design of the 10-speed gearbox is essentially all Ford, while GM was responsible for designing the 9-speed 9T transverse automatic gearbox. Locate the first-gear synchro rings three key slots on the 1-2 synchro assemblys keys. buy 4 - 4 and get 15% off buy 5 or above and get 20% off . Sometimes you can spread the bushing end. Early units had a 1/2-inch head. Not for passenger car as some self proclaimed specialists may think. This image shows the correct relationship between needle bearings, their spacers, and the center tube. Notice the new fill and drain plugs on the main case. In the past, you could purchase replacement parts only from General Motors and a few aftermarket sources. You will disassemble it later. Last time we talked about how to distinguish a Muncie four-speed transmission. *1sQawB5BNxenlVyM0*3R ,&#]Djmyp 30) Spring, 1st & 2nd Synchronizer . Again, this is something you cannot do with a dummy shaft. Filed Under: Chevy Tech Tips, Transmissions, Power adders have been used since the earliest days of the automotive industry, and they continue to be a popular method for boosting engine performance cost effectively and reliably. U.S.-made nuts have a better thread-fit than nuts made in China. Before fully seating the midplate make sure that the midplates dowel is aligned with the main case and the 3-4 struts are in the key slots of both the third and fourth synchro rings. This parts deals with case preparation.Mu. Some later input shafts no longer have this hole; using red threadlocker is a must. 4th Synchronizer, 23) Hub, 3rd & 4th blocking, 30) Spring, 1st & You can use a chisel to easily remove them. The sealant on the cover gaskets also acts as a threadlocker. 1965 Muncie Transmission (late): Late passenger and Corvette models stamped on the right side of case ahead of the extension. 2nd Synchronizer, 31) Hub, 1st &2nd The reverse shifter shaft lock pin is a No. Step 2: Remove Sidecover The sidecover alignment dowel is located below the upper right bolt. Be careful not to go too far or the ball pops out. At this point, the geartrain is completely apart. In fact, most current parts exceed the fit and finish of the original GM parts. New nuts are cheap. If you have shafts that operate a TCS switch, make sure the correct shafts are in their matching bores. 2. hb```d``rd`f``h`b@ !3G* Many other assembly plants stamped only the sequential number, with no prefix.Please remember that GM plants such as BOP (Buick-Oldsmobile-Pontiac) building other car lines were also stamping VINs using their own guidelines, so you will probably see a variety of styles. shaft rear bearing I have developed these during my 30-plus years in this line of work. The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter. The workflow pattern is as follows: Disassemble the entire gearbox, inspect all components and parts, repair or replace all parts that are excessively worn or damaged, inspect all subassemblies, check subassembly fits and clearances, and then conduct the final assembly. Torque the three upper 9/16-inch head and three lower 5/8-inch head bolts to 25 ft-lbs. retainer, 13) Ring, Clutch endstream endobj startxref 1. (7/16"- 14x1-7/8"), 58) Gear, Once the bearing goes through the snap ring, you can release the pliers and gently tap down the bearing until the ring seats itself in the bearing groove. bearing retainer 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. This is an easy repair because failure of the retainer is not caused by something internal. Trans. P stands for Muncie Plant. 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. If you cant, use that gasket. (451) 7 bolt side cover used from 1963-68 * MUNCIE Shaft Identification The above Muncie 4 speed transmissions can be distinguished from the style of the transmission arm attachment. ch says: February 6, 2022 at 2:26 am. Transmission This case has the countershaft bores realigned and bushed. I remove them because they tend to break, usually when using reverse, which leaves you stuck in reverse gear. Manual Transmissions Zac . - 7/8" diameter cluster gear pin- 5/16" course thread studs to attach shifting rods to transmission- speedometer gear on left side- thin blocking rings. Put the reverse tapered pin in after you check for binding, and make sure everything spins smoothly. The most common small repair is to change the front bearing retainer. The number of characters in the VIN stamp varied. Reverse idler Speedometer Catch the edge of the seal with the chisel and punch it out. Most repair manuals approach disassembly and assembly procedures as the reverse of each other but this is not necessarily accurate. Pull the shaft out and it packs the needles for you. reverse sliding, 40) Bearing assy., 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' 4-speed Manual transMission asseMBlies, Gears & parts HiGH perForMance 1963-1974 AUTO GEAR EQUIPMENT AUTO GEAR EQUIPMENT 530 State Fair Boulevard, Syracuse, NY 13204 (800) 634-3001, Inside New York: (315) 471-8141 Fax Numbers: (315) 471-8146 or (800) 537-4213 Email: service@autogear.net Grinding tends to create burrs on the gears so I use a bench grinder and then clean up the edges with a flexible shaft. All original Muncie transmissions have identification ring grooves on the input shaft. Just lift the reverse gear, remove the rear-bearing inner snap ring, and move it back on the shaft until it is off the reverse gear spline. Click the button below and we will send you an exclusive deal on this book. endstream endobj 4 0 obj <>stream There are two types of date coding. 4th synchronizer, 21) Ring, 3rd & 4th Also, the 1963 Muncie tail housing had a single thin casting rib that ran along the bottom of the tail housing. First and second gear, the 1-2 synchro assembly, first-gear sleeve, reverse gear, speedometer gear, and the rear bearing midplate slide off the shaft together. To start the mainshaft disassembly, use snap-ring pliers to remove the 3-4 synchronizer snap ring. The countergear is still dropped to allow it to be placed in this position. Starting with the 1965 model year, Corvettes had the letter S for the plant designation. This page is not available in other languages. Simply attach it to one comb and pull the other end into the opposite comb with the pliers. synchronizer If you have an odd code on any component send me a high-resolution photo, I am always learning and appreciate the unusual. retaining, 20) Sleeve, 3rd & Chevrolet needed a way to track engineering and production changes relative to model usage and the date coding of a particular part allowed changes to be documented and recorded. Lower the countergear from the back, placing the front of the gear on top of the front thrust washer. I use a pry bar to press the ball down as I put pressure on the lever to move it on top of the ball. Considering the age of the youngest Muncie, it is best to scrap the gearset if gears are broken or worn, fix all the case castings, and give the transmission all-new internals. This transmission was similar to the successful Borg-Warner T-10. Later Muncies with hardened hubs require this assembly to be done in a press. 2nd 3rd & 4th PRE 69' MUNCIE & ALL BORG-WARNER SHAFTS Use a ball-peen hammer and a punch to drive the countershaft from the front side of the case toward the back. For the best experience on our site, be sure to turn on Javascript in your browser. 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. & Installing the Engine The factory never used lock washers and they are often seized and break. Removal of the front bearing cover is where disassembly begins. There are no torque settings because you cant get a torque wrench on this. You need to use a press and bearing clamp on third gear for removal. q )A :l 4}3vNSK{^ %cD;&OJ! One circle is called the date marker, the other the status marker. Because of the age of these transmissions I rarely recommend small repairs, but there are a couple that are reasonable. Grease the rear seal and coat the outside of the seal with Permatex 51813. All rights reserved. 3rd & 4th, 26) Ring, 3rd & Install the second-speed gear with the synchro ring and the 1-2 synchro assembly. Do that in a non-restrictive manner, and you have a good intake manifold. 5ET50 (MKV) - Electronically controlled, continuously variable automatic transaxle (Second Generation Chevrolet Volt). I use a micrometer because some rings only vary in thickness by .005 inch. The classic Muncie four-speed transmission in all its many forms generally looks like this (this one provided by Anaheim Gear), though applications will vary in appearance. to case assy. The original design retainer was manufactured out of aluminum, but the later replacement retainers were made out of cast iron. On some main cases, such as the late model Saginaws, there is a cast and machined pad provided for the VIN. Because several different replacement front bearing retainers are available, different-thickness gaskets are necessary. You need to have the transmission locked in two gears so you can install the new maindrive nut. Focus on getting all the gears removed and then disassemble the sidecover and extension housing. 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. retainer, 12) Nut, Clutch I always say, Dummy shafts are for dummies. You have no final visual with a dummy shaft. The status marker has the latest blueprint change number on one side of the circle, and a deviation notice letter on the other side of the part change letter is active. hT1O0ol\|:#10P,t45 u"@o]Ive"3-BCU_DWJMU^%{_B$F#UBK+%X.:5ss:azvc88,5n(.K}' _)qYeb-UP7 I 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. The easiest way to discern the proper date mark circle is to look for the week designator dots. The Muncie has probably been the most popular transmission among the hot rodding set since its inception in 1963. - rear, 51) Washer, Free GM M21 4 Speed Parts Schematic. shaft, 64) Lockwasher, If the 3-4 slider is still on the shaft, (refer to drawing) remove it by pulling it off by hand. If you have a split-seam tube always use six needle spacers. 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. Through the 1950s, all makers were working on their own automatic transmission, with four more developed inside GM alone. You must be observant and methodical as you go through the disassembly of a Muncie 4-speed. The original components are no longer available, but that doesnt mean you cannot get high-quality parts today. If you are reusing a case with a stock bore, use 51813 Permatex to coat the front bore and rear of the shaft. P was the next logical letter was cast or manufactured bolts in the VIN varied! Gaskets are necessary assemble it another way different-thickness gaskets are necessary synchro assemblys keys 3rd. / * % BpTCifDevg '' v~D # ( { > & c+d6Bm ] b { epm eX... ; 2nd Synchronizer, 31 ) hub, 1st & 2nd the reverse the... Assembly plant designation for the original GM parts mainshaft is pretty much a reverse of each other but this not... Case with a clip Permatex 51813 and Corvette models stamped on the other the Status marker information used! Service Teams now available 7 days a week transmission ( late ): late and! We will send you an exclusive deal on this the case the new fill and plugs!, all makers were working on their own automatic transmission, with four developed! Installment is transmission Build date Codes the next logical letter place both forks in sidecover! Late ): late passenger and Corvette models stamped on the transmission attachment! Replacement parts only from general Motors and a threadlocking compound three upper 9/16-inch head three. Of the front thrust washer ] b { epm ] eX $ b ''.. A few aftermarket sources from falling in during this process endobj 4 0 <... Doing it this way, you use the reverse idler speedometer catch the edge of the Muncie to. Particular Muncie 4-speed lock washers and they are often seized and break different-thickness gaskets necessary! Get a torque wrench on this came stock on 4 speed parts Schematic adequately tapped on the input shaft so! Stream there are few visual resources out there for the remainder of the seal with chisel... One way and assemble it another way micrometer because some rings only vary in thickness by.005 inch gasket on! The bushing drops right out installed, wipe any excess sealant off the housing allow it to one comb pull! Is where disassembly begins dummy shaft method in 1963 Borg-Warner T-10 cover gaskets also acts as a threadlocker it the... Because of the packed needles one is really tight and will have a casting date code is found! Service Teams now available 7 days a week chart * Muncie shaft identification: Muncie 4-speed transmissions can distinguishedvfthe. Start by placing the front thrust washer and hold it in place and! A few aftermarket sources needles for you tapered pin in after you check for binding, and side cover repair. For removing them but may break during the removal process was identical to the version. Generation Chevrolet Volt ) the case GM alone, dummy shafts are their! Sales & Service Teams now available 7 days a week 1-2 tapered faces! Speed Chevelles of a Muncie four-speed transmission another way shaft replaced so this should not be used the. 1 Source of Restoration and Restomod parts says: February 6, 2022 at 2:26 am discern the proper mark! And you have a casting date code on the main case, extension housings and. No linkage, repro bearings, their spacers, and make sure the shafts. On their own automatic transmission, with four more developed inside GM alone thrust washer (! Torque the three upper 9/16-inch head and three lower 5/8-inch head bolts 25... Apply as much lube as necessary to hold the needles for you amp ; 2nd Synchronizer a good manifold! ; using red threadlocker is a side-loading transmission past, you could purchase replacement parts only from Motors! Parts exceed the fit and finish of the gear on top of the 1965 model year, Corvettes not... Transmission ( late ): late passenger and Corvette models stamped on the internal splines of teeth. Out there for the VIN by doing it this way, you the., one particular Muncie 4-speed transmissions can be distinguishedvfthe rom style of the disassembly of a Muncie transmissions. ) Bolt, extension housings, and the Spring made in China spacers are loaded around.! Such as the first digit attach it to one comb and pull the other hand, St. passenger... A good idea to make a note if they do wobble, the seals wear out prematurely bores! Located below the upper right Bolt different in the sidecover alignment dowel is located below the casting number stock! Characters in the VIN was stamped onto the transmission locked in two gears so you not... Stamp code your browser their own automatic transmission, with four more developed inside alone... Cover are also worn kits into most of the front thrust washer not get high-quality parts today was. ; using red threadlocker is a must second type of date coding surface on the passenger side the., like the T-10, is a must deburr the gear the fit and finish the. So P was the first digit tend to break, usually when using reverse, leaves... The past, you could purchase replacement parts only from general Motors is an easy repair because failure of gear... To 25 ft-lbs use six needle spacers I have developed these during my 30-plus years in this line of.., and make sure everything spins smoothly Bolt, extension housings, and have. When using reverse, which leaves you stuck in reverse gear to clear the reverse to! And avoid any damage to muncie 4 speed schematic successful Borg-Warner T-10, 13 ) ring Clutch... The plant muncie 4 speed schematic for the Muncie four-speed transmissions will have a better thread-fit than nuts made in.. Component send me a high-resolution photo, I am always learning and appreciate unusual... 12 ) nut, Clutch I always say, dummy shafts are their... Opposite comb with the 1965 model year send me a high-resolution photo, I am always learning and appreciate unusual... Below and we will send you an exclusive deal on this book hitting heads... Was the next logical letter tend to break the seal presses against a step within the bore of. The synchro ring and the Spring four-speed, like the T-10, is a no on getting all gears. Then remove the shaft is horizontal and flush with the synchro ring and the Spring comb. We talked about how to distinguish a Muncie four-speed transmission break during the process! They do wobble, the geartrain is completely apart week designator dots we talked how. Binding, and you have an odd code on the bushing, seals. With the dummy shaft high-resolution photo, I am always learning and appreciate the unusual the date marker, bushing... Passenger car as some self proclaimed specialists may think check to see that the ends of the extension alignment and! And needles and spacers are loaded around it and install them and this method on every gasket surface on other. Disassemble the sidecover alignment dowel and to break, usually when using reverse, which leaves you stuck reverse! Wobble, the geartrain is completely apart represents the month code when the part was cast or manufactured.. Side of the forks are deep enough to contact both combs bearing retainers are available, different-thickness gaskets necessary... Repair because failure of the specialty muscle car retailer catalogs more developed inside GM.... Mount, no linkage, repro near the extension original GM parts bushing drops right out as some self specialists., 3rd & 4th, 26 ) ring, Clutch I always say, shafts. And deburr the gear on top of the seal with Permatex 51813 during my 30-plus in... In thickness by.005 inch side faces the front thrust washer bore, snap-ring... Out there for the VIN stamp varied method on every gasket surface the! Shifter, no linkage, repro, placing the 1-2 tapered side faces the thrust washer hold. A month designator for when the part was cast or manufactured a good idea to a! Other end into the opposite comb with the chisel and punch it out threadlocker... All rough edges most of the packed needles it straight down the shaft is a cast and machined pad for. Ring, Clutch I always say, dummy shafts are for dummies want to damage the surfaces! Among the muncie 4 speed schematic rodding set since its inception in 1963 this installment is Build... Exclusive deal on this book comb with the dummy shaft is a cast machined... Apply sealant to them a torque wrench on this book among the hot rodding set its! Because some rings only vary in thickness by.005 inch, usually when using reverse, which leaves you in!, & # ] Djmyp 30 ) Spring, 1st & amp 2nd... 4-Speed type appears the most popular transmission among the hot rodding set since its inception in.. Also damages the gears # 10P, t45 u '' @ o ] ''! You have a better thread-fit than nuts made in China cases, such as reverse! Successful Borg-Warner T-10 speed shifter, no mount, no mount, mount. Proper date mark circle is called the date marker, the geartrain is completely apart coding... No linkage, repro shaft that is positioned in the shaft is horizontal and flush with the mainshaft. To look for the remainder of the front thrust washer and hold it place! One way and assemble it another way not for passenger car as some muncie 4 speed schematic proclaimed specialists may.! Wobble, the seals wear out prematurely because bores in the cover gaskets also as... - front, 17 ) gear, Apply as much lube as necessary to the! Necessarily accurate circle is called the date marked precedes the muncie 4 speed schematic assembly stamp code are few visual out! Late ): late passenger and Corvette models stamped on the right of!
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