Generally found in Chevy & GM trucks, cadilacs and large displacement engined, full size GM rear wheel drive cars. The 3L80HD would be the THM475 (heavy duty unit). THM350 - Medium duty 3 speed trans used from 1969 to 1989, Used in Buick, Olds, Pontiac and Chevrolet cars and Chevy & GMC light trucks until 1987. Let's break down a Chevrolet VIN number and explain what each of the positions means. Look at the shape of the pan and compare it to diagrams to determine the type of transmission that is on your vehicle See the GM Transmission Identification & Decoding link in Resources below. Used on large displacement, high torque engines and engines with towing packages. Classic car restoration is not a new hobby, and the older the project car, the more likely it is that someone has installed a different transmission at some point along the way. X3845157 GM. 4-SPEED TRANSMISSION I.D. This page covers automatic trannies. A = Jan, B = Feb, C = Mar, D = Apr, E = May, H = Jun, K = Jul, M = Aug, P = Sep, R = Oct, S = Nov, T = Dec. 1976-1987. GM 8. Pre-67 Example: C213N - (C = Cleveland Powerglide, February 13, Night Shift) The easiest and surest way to identify the original application or gear ratios of a specific used Borg-Warner T5 transmission is to check and look-up the ID tag number using the chart below. C 141. Also, you can check the title records and accidents by clicking Check History. [fa icon="fa fa-rss"] [fa icon="facebook-square"] [fa icon="fa fa-youtube-square"] [fa icon="twitter-square"] [fa icon="pinterest-square"], Have You Ever Wondered, "What Transmission Do I Have? Did you count 16? This number contains vital information about the car, such as its manufacturer, year of production, the plant it was produced in, type of engine, model and more. Chevy Automatic Transmission Description & Usage Truck sequence/series codes/pre-fixes are nicely presented by John Milliman on The Stovebolt Page The 4 cylinder models have 4 large cooling holes near the torque converter, while on the "bigger cars" there are no cooling holes. Check out our GM transmission parts store page, or click the button below to get a free full-color parts catalog. A Chevrolet VIN decoder that allows you to lookup options, model, year, engine, transmission, and specifications. 591747. The title, registration or insurance card. The replacement case (GM PN 3925659) was used for all 1966– 1974 Muncies as listed in the GM AC DELCO 1978 service parts manual. Muncie 4 speed spline, groove and … All 125-C, 440-T4, 4T60, and 4T60-E transmissions use the same style torque converter, and they are interchangeable before 1996. ", https://news.classicindustries.com/category/diagrams/. GENERAL MOTORS 3 SPEED TRANSMISSIONS: Transmission Manufacture: Model year and Physical Description: Find Parts MUNCIE (Light Duty) 1940-63 Cars, 1940-68 Light Duty Trucks: Parts List: 74 Cast iron case and extension housing with 4-bolt side cover. SECOND TRANSMISSION. THM200-R4 - Used in GM rear wheel drive cars with the 3.8 V6, 305 & 350 Olds and 301 pontiac from 1981 to 1989. The GM Hydra-Matic was a success and installed in the majority of GM models by 1950. Transmission Identification. The source serial number is from the CAR the transmission originally went into, NOT the assembly plant. This is the Chevrolet VIN decoder. 4L80 - An overdrive model of the THM400. Classic Industries offers thousands of parts for GM transmissions and drivetrains. Warranty transmission. How to decode GMC VIN On the THM350, the VIN will be stamped on either the drivers side housing near the shifter, on the right side of the housing just above the pan, or on a boss behind the bellhousing flange on the passenger side of the transmission. - Casting numbers on the case, extention housing and side cover - Assembly Date Code Stamping - can be stamped anywhere... While there are no distinctive pans and bolt counts to make transmission identification simple, 4-speed manual transmissions can be generally identified by examining the side profile. CHART *MUNCIE Shaft Identification: Muncie 4-speed transmissions can be distinguishedvfthe rom style of the transmission arm attachment. Below you'll also see what your 4L60E will look like with and without the Neutral Safety Switch.. If you did you have found a 700R4 or a 4L60. (on manual trans). 1962-1973. Every Chevrolet car has a unique identifier code called a VIN. TH400 Transmission Case Identification and Interchange - GM P2E15C ~ M22 dated May 15, 1972. So, whether you are heading out to check out a "For Sale" ad that could be your next project or trying to make heads or tails of a junkyard find, the following charts can be useful guides when it comes to transmission identification. Most transmissions originally installed in Chevrolet vehicles from the 1962 model year on should have a VIN or vehicle identification number. The photos below demonstrate and show you how to determine the differences between the 4L60E 1pc & 2pc style bellhousings. Casting is located above side cover, on trans. If you have a clear view of the transmission count the bolts. 531092 or 631092. For more useful diagrams and helpful restoration tips, check out https://news.classicindustries.com/category/diagrams/. 1969-1986. casting codes sequence/serial numbers . It was a 3925661 casting. P stands for Muncie Plant. Prior to 1967, transmission ID numbers contained the plant prefix code, month and date of production (expressed numerically) and a shift code (D = Day, N = Night). HOW TO DECODE CHEVROLET VIN. case. - Date Casting Codes 2 THM700-R4 - 4 Speed transmission used in GM cars and light trucks with the 2.8, 3.1, 4.3, V6, Chevrolet built 305, 350 and 454 engines from 1982 to 1992. This number will contain division ID #, model year, assembly plant and production sequence (last 6 digits) of the VIN stamped onto the transmission. The letter O would add confusion since it resembles zero. The serial number is a date code the transmission was built for a particular year. TH350 Transmission Identification, Decoding and Super-Tuning The TH350 (Turbo-Hydramatic) transmission identification, decoding, and super-tuning are what sets it apart from other transmissions. CHART 5-SPEED TRANSMISSION I.D. GM Transmissions: GM Power Glide 2 Speed Transmission. MUNCIE M-22 (453) G.M. On the THM400 the VIN is stamped on a machined surface just above the pan on the drivers side. A free GMC VIN decoder that allows you to lookup options, model, year, engine, transmission, and specifications. The constants in decoding the trans ID number are the date the transmission was produced. A metal tag can be found on the driver's side of the case and is held down by one of the tailhousing bolts. by News Desk, on Jun 25, 2012 10:39:56 AM. 1981-1990. Once you identify the pan, count the number of transmission pan bolts for confirmation. case. It was the workhorse of the GM automatic transmissions at the turn of the century. - Chassis Vin Number stamping - beginning in 1962. You'll notice that the chart contains a few abbreviations. GM Turbo 350 and 350C (TH350 Transmission) 3 Speed Transmission. P2P28A ~ M20 dated September 28, 1971. 7 bolt side cover 1970, 454 Chevelle GM Turbo 400 TH400 Transmission 3 Speed Transmission. No Core Charge on Most*. The 4L60E transmission is both the physical and spiritual successor to theTH700R4. From 1967 on, the ID number contained the transmission type or plant prefix, Date (coded below) and a shift code. The Muncie four-speed transmission was heralded by many as an “indestructible” four speed used by General Motors, and found its way into many different car models, behind various engine combinations between 1963 and 1974. Through the 1950s, all makers were working on their own automatic transmission, with four more developed inside GM alone. 3L80 - The 3L80 is a renamed THM400, used in the early 1990's. Most passenger car plants stamped the VIN on the top, while other plants stamped it on the side, near the assembly date code. 1929-1962 Chevrolet L-6 (in-line 6) Overhead Valve Engines the Stovebolt Six - the Cast-Iron Wonder. Unfortunately, this makes transmission identification difficult to accomplish while the gearbox is installed in the vehicle. The easiest method of GM automatic transmission identification is to examine the pan. Automatic transmissions Early models. Once you've answered the question, "what transmission do I have?," you might need to find maintenance parts or a complete replacement transmission. Step 5 Locate the "source serial number" that is stamped on the transmission. GM 3. Automatic transmission types are generally identified by their pan shape. There is also a paper tag … Pre ‘69 Muncie’s use a stud & nut at the indicated attachement point, while ‘69 and later Muncie’s use a bolt as illustrated on the right. Most transmissions will have a "source serial number" (chassis vin) usually found close to the transmission code. Others have a tag rivited to the case. It began replacing the 700R4 (which was then known as the 4L60) in 1997. Transmission Depot Has Been Serving Our Local & Online Community for Over 30 Yrs. THM200 - Light duty, "metric" 3 speed transmission. Transmissions with a suffix of "C" on the end of the type (THM200C) indicate the transmission has a lock up torque converter. This is a 4 speed, overdrive unit. Due to the wide combination of id's, stampings, numbers, etc... varied and even GM couldn't keep track of what was what, it's best to ID your gearbox visually, taking what is stamped on the box FWIW. 1964 to 1968 Muncie 4-speed transmissions can be identified from later models by the way the transmission arms attach. Locate the transmission, attached to the back of the engine. 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. Post-67 Example: P9E03 - (P = TYPE, 9 = year (1969), E = Month, 03 = Day of Month), Month code: (NOTICE this is NOT in alphabetic order) Generally able to handle up to 400 foot pounds of torque. Located in Huntington Beach, California, Classic Industries has provided over 1,000,000 customers with parts and accessories they've needed to restore their vehicles for over four decades. Once you identify the pan, count the number of transmission pan bolts for confirmation. On the THM200-R4 the VIN is stamped onto the housing towards the rear of the pan, on the drivers side. Go here for Chevy Manual Transmission Identification. Not for passenger car as some self proclaimed specialists may think. THM375 - This transmission is a derivative of the THM400 sharing the external appearance of the 400. The easiest way to identify a 700R4 underneath of the car is to look at the bolts. T5 Transmission Identification - What the Tags and Markings Mean. From 1967 on, the ID number contained the transmission type or plant prefix, Date (coded below) and a shift code. NewGMParts.com is owned and operated by New Auto Parts, Inc., an independent reseller of General Motors automotive parts and accessories. The VIN will be located on the top or side of the main case. Its identification, for instance, helps you to differentiate this one-piece unit from other transmissions launched by General Motors. NewGMParts.com is a specialized wholesale distributor of genuine GM OEM replacement parts and accessories.For all your OEM GM part needs, please use our website or call 877-498-7278. Remember, 4L60 was just another moniker for GM’s popular overdrive. The easiest method of GM automatic transmission identification is to examine the pan. As time marches on, technology changes. Jun 11, 2015 - Chevy transmission code identification chart: 4l60e 4l65e 4l80e THIRD TRANSMISSION. 4L60 - Early 1990's saw the 700R4 renamed to the 4L60, and "electronic" models were named 4L60E. Modern 6-speeds (above) are easy to spot, and 5-speeds are not difficult either, but when it comes to older 4-speeds and automatics, the increased variety can muddy the waters. The 4L80E would be the "electronic" model. Identification of the THM700-R4 automatic transmission is accomplished by locating visual clues separating it from other GM and Chevrolet automatic transmissions and by decoding the information found on the identification tag. The identification number for a T5 is usually only found in 2 locations. This may be a 3 speed overdrive? Jump to: VIN Trim Tag Engine Decoding Transmission Decoding Rear Axle Decoding GM Body Types GM RPO Descriptions Build Sheets & other Paperwork Chevy Engine Suffix Codes Small Block Parts Identification Big Block Parts Identification . Generally used in straight and V6 and small block engines. If you are not sure how to distinguish between an M20, M21, or M22 Muncie, knowing what to look for can be tricky. Has non-synchro 1st and a … Transmission Identification Charts ACURA Model Year Engine Trans Type Transmission CL 1996-97 L4 2.2L 4 Spd FWD A6VA CL 1998-99 L4 2.3L 4 Spd FWD B6VA CL 1996-00 V6 3.0L 4 Spd FWD B7ZA / M7ZA CL 2001-06 V6 3.2L 5 Spd FWD MGFA / BGFA Integra 1986-89 L4 1.6L 4 Spd FWD CA / P1 Integra 1990 L4 1.8L 4 Spd FWD RO Integra 1991-93 L4 1.8L 4 Spd FWD MPRA The shape of the main housing will give a reasonably reliable indication of the transmission group to which your gearbox belongs. Step 1 View the transmission pan … Note CT0 (Chevrolet, Transmission, 1970) and 42862 serial number. Thanks in advance. The safest way of checking your transmission is to look at the identification tag on the transmission. It can be pretty tough to see on older cars, so you may have to clean up your transmission to find it. The best way to ID the transmission is to count teeth. E225 or E22S. The Turbo 375 was modified to accept the Turbo 350 driveshaft yoke. If you have any questions please contact our Tech Support Team at (800) 708-0087 ext. Casting is located above side cover, on trans. Worldwide Shipping. GM uses the same type 4-digit ID method of identifying FWD torque converters as with the RWD units, however the digits have different meanings. It's a light duty version of the THM400, has ABSOLUTELY NO RELATION to the THM375B, and was found in 1972 to 1976 full-size cars. FOURTH TRANSMISSION. Affordable Prices. On the THM700-R4 the VIN is either stamped onto a boss behind the bellhousing flange on the passenger side, just above the pan on the drivers side, or just behind the governor cover, stamped vertically where the case meets the tailshaft housing. It'll be marked 375-THM on the bottom of the tailshaft housing. 1965 and Newer. Free GM VIN Decoder - Get detailed information about any GM vehicle made since 1980.