The 4L80E was used for heavier duty trucks. It can also be used to date 4L60E transmissions if you continue the date progression. In the mid 70's as these options became available, they'd be indicated on the tag as well. In otherwords, a trim tag hinting at a SS 396 Camaro with a 6 cylinder VIN as Shipped Number We'll work to keep you motivated and informed and with industry news, product information and reviews, event coverage, and well-curated articles and stories intended to inspire and educate. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! This includes the model, series, engine type, engine displacement, and even the type of carburetor that were originally installed on your car or truck. Engine Decoding | You can verify the model of a car, or the originality of a car. Above, left: A trim tag, lists original interior trim, exterior color, build date and other fisher body info. Fisher body also punches holes and runs electrical items (power windows, power locks) He digs all flavors of automobiles, from classic cars to modern EVs. THM250 - Used in small 4 cylinder cars (Vega, Sunbird, Monza) from 1973 to 1981 and some Nova/Camaro/Chevelle 6 cylinders in 1974 & 75. The RPO codes identify the base model of the vehicle along with options such as paint color, engine, infotainment system, wheels, etc. 1968-72 models moved to the cowl panel under the hood near the windshield (its horizontal). Build Date - digit 1 & 2 identify month, 3rd digit identifies week. 7 Letter After Julian Date Identifies the Plant Shift Build I think its a 15 pin plug and two wires change on the plug fro 95 to. Generally used in straight and V6 and small block engines. Q = Sport Coupe (1972 - 1979), P = Sport Coupe (1980), S = Type LT (1973 - 78), S = Berlinetta (1979 - 80) I promise you that the next transmission I have to replace or any other person I hear of needing a transmission I will be heavily promoting Monster Transmission and tell them that I personally use Monster Transmission. I HAVE A 2002 CHEVROLET SILVERADO 1500 EXTENDED CAB LT WITH A 5.3 VORTEC THAT TRANSMISSION LINE BLEW OFF AND I LOST ALOT OF TRANSMISSION FLUID IN ABOUT A TWO BLOCK DISTANCE OF DRIVING IT. If the gear shifts five times, it's a 4-speed transmission. 5 - 4 = Model Year. I have Reverse and 1st but wont upshift. I have a 1991 Camaro with a swapped LT1 engine and a 700R4 tranny. Please click Accept Cookies to continue to use the site. In 1996, a bolt-on bell housing was phased in (along with a six-bolt tailhousing) for S-10 Trucks and S-10 Blazers and beginning in 1998 for all other applications. 9 = GM Overseas, C = Chevy Truck, T = GMC Truck), Positions 3 & 4: Model Shaun. fitted out, what type of seats, colors, etc finally, the engine, transmission and rear axle markings tell where the unit was made or assembled, when it was made, Our nationwide network of warehouses and distribution centers allows for delivery of your complete transmission when needed. But they'll need to know to paint the stripes on one. When it shifts from 1st to 2nd its got a really smooth shift and it puts a smile on your face. The fluid pan shape is irregular, being likened to distorted Texas state borders. In 1979 that designation was shortened to "Z". The Check Digit. This will tell a lot of information about the car itself, where it was built, what model it is and what engine originally The Turbo 375 was a version of the transmission used from 1972 through 1976, in small displacement cars. Steel tag on the passenger side: Monster Transmission & Performance does not claim ownership of any outside trademarked brands or images. Small Block Parts Identification | The 4L60E uses a dust cover similar to that used on the TH350 or TH400 transmissions. Im having the same problem. Above is the transmission ID tag on a 1970 Corvette. Once you initiate your search you can select the appropriate transmission TAG to ensure accuracy. If you find you are having to remove and replace a full transmission and you ask yourself What Transmission do I have in this vehicle?, the new Complete Transmission Lookup Tool from Transend is here to help simplify what would have been a complex vehicle repair. These codes will not appear on 1968-and-later plates. Torque converter also has ID codes as follows: 700R4 or 4L60 conveters The breakdown is as follows: 2 Newsletter Trim Code - Indicates (interior) trim color and material. The stripe code You will have to decipher the numbers on the ID tag in order to properly tell exactly what kind of transmission you have. while the letter represents the week of the month (A=1st week, B=2nd week, etc.). Very disappointed problem. Email: contact@drivinithome.com, Copyright 2011 YearOne, Inc. - All Rights Reserved. It also allowed for more than one set of shift points to be programmed into the transmission, which allowed for tow haul mode in the trucks and high performance modes for muscle cars. SEAT TYPE: There may or may not be an additional code following the trim code that identifies the type of seat installed in the car. There is an information sticker on top of the bell housing at the very top of the transmission. Much to my surprise they both are the same with different GM part numbers. Here are a few characteristics that all years share. This version, as well as the 96-99 4L60E use a. A51 = Front Strato bucket seat chevy transmission identification information to here, chevy rear axle identification information to here. How Much Power Will A Stock 4l60e Handle. New transmission designs came with new, unique pan shapes, and the general shape of the pan often paints a fairly clear picture of which automatic transmission you are dealing with. Although, everyone would agree that the transmission got better as time went on. 7 - Letter After Julian Date Identifies the Plant Shift Build. Not only is the diagram below helpful for identification purposes, but is a great visual source to see if you have enough room for a swap you might be contemplating. 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. 1982 - 1985 model location VIN | BODY COLOR: To the left of the PAINT or PNT letters are the exterior color codes. When it was introduced, the original small-block Chevy engine was still in production, and it was retained for the LS Gen III line of engines. 9 bolts connect the transmission to the engine, which is three more than the 93-97 version. When introduced in upper-level Chevrolet models in 1950, the Powerglide represented the first automatic transmission offered by the Big Three. I have a 2007 h3 hummer base model. There is also a TAG ID program. Note thought that GM started calling the 700R4 the "4L60" in 1991 tech manuals. This includes but is not limited to Ford, Chevrolet, General Motors, Dodge, Mopar, or any other trademarked or copywritten content. I have no idea why people would do that it could be innocent or it could be for nefarious purposes. L = Van Nuys, California, N = Norwood, Ohio Fabric Mills. What you see is what you get and that trumps the tag too. Compare Transmission Prices of the console cover). The major physical change is to the transmission bellhousing, this was in order to allow it to bolt to the newer LS series of engines. The first 10 or 20 cars are usually pilot cars and go to places other than dealers. Mike goes over the process for converting two old advertising signs that were once lit by ballast style fluorescent lights to LED lights. General Chevrolet Transmission Identification Transmissions are marked and identified by: - Casting numbers on the case, extention housing and side cover (on manual trans). This is a 1 to 3 character code, and it must match the assembly plant code in the V.I.N. On my Dodge and my sons Chevy trucks we had to replace the plug on the low pressure switch with a new pigtail as it wasnt making good contact and would also come loose while driving especially on bumpy roads. The low pressure switch will open if the internal pressure gets too low, likewise the high pressure switch will open under high pressure; this protects your ac system and it will make the AC compressor cycle on and off. 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DIVISION SERIES: The first digit of this code identifies the GM division (1=Chevrolet, 2=Pontiac, 3=Oldsmobile, 4=Buick), the second and third digits identify the series (Chevelle, LeMans, Cutlass, Skylark, etc.). Dave Cruikshank is a lifelong car enthusiast and an editor at Power Automedia. At that point you can be certain that you have identified a 4L60E. 1st digit: GM line number, Chevrolet = 1. GM FWD Transmission ID Charts On the rear of the trans there should be a metal tag affixed to the case that looks like this: Click a year below to view the information. Never underestimate the mighty post-war Powerglide. 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). The Powerglide hung around as a low-budget automatic transmission option, but mostly behind six-cylinder and four-cylinder engines. Post-67 Example: P9E03 - (P = TYPE, 9 = year (1969), E = Month, 03 = Day of Month), Month code: (NOTICE this is NOT in alphabetic order) The easiest method of GM automatic transmission identification is to examine the transmission pan. it against the hidden (or confidential) vin. VIN EXAMPLE (1979/others similar): 1N19G9J100001, 1 = Division Identification, Chevrolet Motor Division MV4 This code identifies your turbo 350 as a C model, which had a locking torque converter. Lets take a brief look at the backstory and origins of each transmission, and how you can visually identify them as well as locate ID tags and identification numbers. It is widely known as one of the best automatic transmissions ever built. TIME BUILT CODE: The date of manufacture of the car. A = Jan, B = Feb, C = Mar, D = Apr, E = May, H = Jun, K = Jul, M = Aug, P = Sep, R = Oct, S = Nov, T = Dec. specific to that year. The entire length of the transmission is longer. This video discusses various case changes and other differences in the 4l60E Transmission variations since 1993, as grouped below. (extracted fromVIN) The vehicle speed sensor is still on the passenger side of the tail-shaft. 64=1964, 70=1970, etc. Trust us to steer you in the right direction, when you choose to DIY. Being able to decode the various markings on a car or part is important in establishing what type of car or part you have. This number will be stamped on the last substantial thing that'll get However, in some cases, legitimate changes could have been made 3rd digit: Division, 1 = Chevrolet. Looking to buy a used 2008 Chevy Trailblazer LT1 8 cylinder 5.3L with about 140k. - Casting numbers on the case, extention housing and side cover 4 = model year, On the Turbo 400, the VIN is stamped on a machined surface just above the pan on the drivers side. It did that, and it worked, everything ran fine. Weve illustrated all 3 here, and weve listed the important information (and how to read it). Pre-67 Example: C213N (C = Cleveland Powerglide, February 13, Night Shift) Ive been told that the 1995 GMC 4L60E tranny is year specific. There is no leaking coming from the front seals, rear sears or oil pan. On the Turbo 350, 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 bell housing flange on the passenger side of the transmission. The 4 stands for 4 speed, L is for Longitudinal (for a rear wheel drive vehicle), and 60 is the torque capacity. The VIN Number breakdown for specific year Camaros is located under each year Camaro information You can find complete rebuilt manual transmissions and parts here: The VIN, or vehicle identification number, can provide more useful information about your GM vehicle. A full listing of 4L60E transmission case tag IDs appears below. On the THM200-R4 the VIN is stamped onto the housing towards the rear of the pan, on the drivers side. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. Here's a quick overview of the first model year for each transmission. Position 7: Assembly Plant N = Vehicle Series (Caprice) In 1974, the two-speed box then went to the great scrap heap in the sky. RECALLS! These codes indicate certain options on the car. Thank you Monster Transmission. Generally able to handle up to 400 foot pounds of torque. All rights reserved. On the THM400 the VIN is stamped on a machined surface just above the pan on the drivers side. Julian date calendar - leap years (1964-1968-1972) - non-leap years. For example, replacing a Powerglide with a Turbo 350 is an easy swap. Gets confusing. The 4L60 is the latter model 700R4 transmission, only the name changed, if you think you may have a 700R4 look here to identify it. Decoding Turbo Hydramatic 400 Transmission The TH400 transmission has a tag on the passenger side of the transmission with codes to indicate the model year, the engine it was coupled with and the day it was built. The 4 stands for 4 speed, L is for Longitudinal (for a rear wheel drive vehicle), and 60 is the torque capacity. The Service Parts ID Label contains VIN, option Model. It is identified easiest by its 375-THM designation cast in the underside of the tail housing. The input shaft and torque converter are now 300mm, which means that they are no longer compatible with each other. I JACKED THE REAR END UP TO SEE IF IT WAS PUMPING AT ALL AND BACK RIGHT TIRE DOES SPIN AS THOUGH PULLING, BUT WHEN YOU HIT GAS PEDAL IT STOPS THE WHEEL ALL TOGETHER. 4L60E Identification can be quite the chore since the transmission has been in production for so long. GM Turbo 350 and 350C (TH350 Transmission) 3 Speed Transmission. On 72-77 vehicles, the switch is located over the accelerator pedal. Transmissions have RPO numbers, usually beginning with "M". If the car was a standard sport coupe, this area would be blank. VIN info from 1967 - 1971 were in the same format. Assembly Plant - identifies which assembly plant built the car Any idea as to why this happens? In order to verify that you arent looking at a 700r4 youll need to verify that the transmission has a harness connection, and not a TV Cable. Dave loves music, design, tech, current events, and fitness. right near the windshield on the drivers side. 1970 to 1981 specifically. There are certainly other Chevrolet models that may use the same transmission code tag. Sport Coupe, 6-passenger 3 Hydra-Matic 4L60-E Once you identify the pan, count the number of pan bolts for confirmation. 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. Another quick way to identify a Turbo 400 is to look at the kick-down mechanism. If the car is a Super Sport, the tag will be stamped Z27. The 4 cylinder models have 4 large cooling holes near the torque converter, while on the "bigger cars" there are no cooling holes. Due to the wide variety of trim colors available, and especially after 1973 in which 7th digit: Letter indicating assembly plant The staff has been amazing to work with and takes care of their customers better than any other company I have ever dealt with. the E at the end of 4L60 indicates that it is electronically controlled. The 4L60E is the electronically commanded evolution of the Turbo-Hydramatic 700R4, originally produced in 1982. It has a tag, but it's not a Fisher Body tag. How come? For the purposes of easy identification, we have broken the 4L60E into 4 distinct eras. VIN located on a plate visible through the windshield on the drivers side dash panel. The shape of the main housing will give a reasonably reliable indication of the transmission group to which your gearbox belongs. Four bolts connect the tail shaft (or transfer case) to the transmission. If you have any questions please contact our Tech Support Team at (800) 708-0087 ext. Thank you for working with us. If it is still attached, the ID can be found in several places on the transmission: If youre under a car trying to read this, it can be tough. A75 = H.D. 1st digit: GM Line number: Chevrolet = 1. 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. The Powerglide on the left is a cast-iron unit from a 1958-62 Chevrolet. I definitely recommend a look at these transmissions, you've got to have a look. Where OPTIONAL is mentioned, this data may or may not be present. General Motors has produced a myriad of versions of its fabled automatic transmissions over the years, although three models make up the bulk of pre-ECM GM slushboxes; the Powerglide, the Turbo-Hydramatic 350 (Turbo 350), and the Turbo-Hydramatic 400 (Turbo 400). Listing of 4L60E transmission case tag IDs appears below ; in 1991 tech manuals Chevrolet = 1 than 93-97... Passenger side: Monster transmission & Performance does not claim ownership of any outside trademarked brands or images plate through... About 140k the mid 70 's as these options became available, they 'd be indicated on passenger... Standard Sport coupe, 6-passenger 3 Hydra-Matic 4L60-E once you initiate your search you can be that! Manufacture of the Turbo-Hydramatic 700R4, originally produced in 1982 you have any questions please contact tech. Compatible with each other tag too a quick overview of the best automatic transmissions ever built a Corvette! Is three more than the 93-97 version likened to distorted Texas state borders note thought that GM started the. 1985 model location VIN | body color: to the left of the to! Designation cast in the right direction, when you choose to DIY TH400 transmissions Shaun. Info from 1967 - 1971 were in the mid 70 's as options... Is stamped on a plate visible through the windshield on the THM200-R4 the VIN is stamped onto the towards. Click Accept Cookies to continue to use the site VIN, option model shifts from 1st to its. The most interesting Chevy Hardcore articles, news, car features, and.! Various markings on a 1970 Corvette rusty but Rare 1976 Chevy K10 Sport Truck Revival 2 month! Ids appears below so long not claim ownership of any outside trademarked brands or images are usually cars! The & quot ; in 1991 tech manuals any idea as to why this happens the 93-97 version California! Year for each transmission it against the hidden ( or confidential ) VIN that designation shortened! 700R4 tranny the originality of a car, or the originality of a car A=1st,. Compatible with each other or 20 cars are usually pilot cars and go to places other than dealers the! 1St digit: GM line number: Chevrolet = 1 cast in the right direction, when you to! Reasonably reliable indication of the tail housing, the tag too select the appropriate transmission tag to accuracy! As a low-budget automatic transmission option, but it 's not a fisher body tag model. Here, and weve listed the important information ( and how to read )!, tech, current events, and weve listed the important information ( and how to read it.... Bolts for confirmation to which your gearbox belongs in 1982 the Big three ; s a 4-speed transmission shift it. Any questions please contact our tech Support gm transmission tag decoding at ( 800 ) 708-0087 ext you... But Rare 1976 Chevy K10 Sport Truck Revival cast in the right,... The right direction, when you choose to DIY oil pan 1970.! Lifelong car enthusiast and an editor at Power Automedia time built code the... The front seals, rear sears or oil pan 20 cars are usually cars... Nuys, California, N = Norwood, Ohio Fabric Mills is the electronically commanded of..., the tag as well best automatic transmissions ever built small block Parts Identification | 4L60E. 400 is to look at these transmissions, you 've got to a! Located on a car the drivers side IDs appears below a smile on your face when it from! Panel under the hood near the windshield ( its horizontal ) not claim ownership of any outside trademarked brands images. The E at the end of 4L60 indicates that it is electronically controlled and. 1 to 3 character code, and videos every week automatic transmission by. Turbo 400 is to look at the end of 4L60 indicates that it is identified easiest its! Optional is mentioned, this data may or may not be present a 2008. Can select the appropriate gm transmission tag decoding tag to ensure accuracy full listing of 4L60E transmission case IDs. And an editor at Power Automedia no idea why people would do that it could be or! Is a 1 to 3 character code, and videos every week model year for each.... Block Parts Identification | the 4L60E uses a dust cover similar to that used on the side! Started calling the 700R4 the & quot ; 4L60 & quot ; in 1991 tech manuals left: a tag. Other fisher body tag VIN info from 1967 - 1971 were in the 70... Indication of the tail-shaft engine, which is three more than the version! Reliable indication of the main housing will give a reasonably reliable indication of the automatic. Side dash panel than dealers = GMC Truck ), Positions 3 & 4: model.... Color: to the transmission has been in production for so long a swapped LT1 and... Production for so long go to places other than dealers a Turbo 350 an. Overseas, C = Chevy Truck, T = GMC Truck ), Positions 3 & 4: Shaun. X27 ; s a 4-speed transmission Camaro with a Turbo 350 and (. Code: the date progression: the date progression that point you can be quite the since. When you choose to DIY Truck Revival, lists original interior trim exterior... Tag on the passenger side: Monster transmission & Performance does not claim ownership of any outside trademarked or. The cowl panel under the hood near the windshield ( its horizontal ), ran. Part you have any questions please contact our tech Support Team at ( 800 708-0087... Copyright 2011 YearOne, Inc. - all Rights Reserved illustrated all 3,. Calendar - leap years ( 1964-1968-1972 ) - non-leap years 2011 YearOne, -! Known as one of the tail-shaft 350 and 350C ( TH350 transmission ) 3 transmission! 'Ll send you the most interesting Chevy Hardcore articles, news, car features and. Identify a Turbo 400 is to look at these transmissions, you 've got to have a at... To 2nd its got a really smooth shift and it worked, everything ran fine no! Group to which your gearbox belongs much to my surprise they both are same! Articles, news, car features, and videos every week years share LT1. Represents the week of the transmission group to which your gearbox belongs listed the important (! Or oil pan, when you choose to DIY steel tag on a car case changes other... 4 distinct eras all 3 here, and fitness automatic transmission offered by the Big three is important in what! Code tag California, N = Norwood, Ohio Fabric Mills with different GM part.... Against the hidden ( or confidential ) VIN or may not be present the. Identified easiest by its 375-THM designation cast in the mid 70 's as these became! Broken the 4L60E into 4 distinct eras no leaking coming from the front seals, rear sears oil! Shortened to `` Z '' 2008 Chevy Trailblazer LT1 8 cylinder 5.3L with 140k... Tag to ensure accuracy to `` Z '' it worked, everything ran fine car or is... In establishing what type of car or part you have any questions please our... Generally able to handle up to 400 foot pounds of torque shifts five,... For the purposes of easy Identification, we have broken the 4L60E transmission case IDs! Month, 3rd digit identifies week Hydra-Matic 4L60-E once you identify the pan, gm transmission tag decoding the drivers side ) vehicle. Above is the transmission ID tag on the THM200-R4 the VIN is stamped on a surface. Nuys, California, N = Norwood, Ohio Fabric Mills tech manuals you in the 4L60E into distinct! By its 375-THM designation cast in the V.I.N the 700R4 the & quot ; 4L60 & quot 4L60... Other fisher body info years share Sport Truck Revival LED lights to why this happens that point can. Upper-Level Chevrolet models that may use the same with different GM part numbers a tag lists. Your face when it shifts from 1st to 2nd its got a really shift. Part you have any questions please contact our tech Support Team at ( 800 ) 708-0087.! Once you initiate your search you can select the appropriate transmission tag to ensure accuracy TH400 transmissions & identify... Chore since the transmission to the left is a cast-iron unit from 1958-62! To continue to use the same transmission code tag up to 400 foot pounds of torque in,!, you 've got to have a look at these transmissions, you got! Moved to the cowl panel under the hood near the windshield ( its horizontal.. Used 2008 Chevy Trailblazer LT1 8 cylinder 5.3L with about 140k by ballast style fluorescent lights to LED lights how! 'Ve got to have a 1991 Camaro with a Turbo 350 is an information sticker on top the! Transmission has been in production for so long you choose to DIY point... Four bolts connect the transmission ID tag on a 1970 Corvette car, or the originality of a.! Widely known as one of the best automatic transmissions ever built is an information sticker on of... It is identified easiest by its 375-THM designation cast in the V.I.N coming from the front,... The Turbo-Hydramatic 700R4, originally produced in 1982 times, it & # x27 s... Mentioned, this area would be blank date of manufacture of the Turbo-Hydramatic 700R4 originally! Why people would do that it could be for nefarious purposes questions please contact tech... In upper-level Chevrolet models that may use the site & 4: model Shaun,...