gm transmission tag decodinggm transmission tag decoding

On 1958-67 models, the tag is riveted to the firewall near the windshield (its vertical). - Date Casting Codes - Assembly Date Code Stamping - can be stamped anywhere. ** For example, if the car doesn't say Z27, it's 99.9% sure it's NOT a SS car. This version, as well as the 93-97 4L60E use a. I have a 2003 Chevy 4 wheel drive extended cab Silverado what other year Transmissions will work in it. They only have three different types of bell-housings in North America. Real World Hagerty Collector Car Insurance Claim Experience, How To Be Prepared For A Dyno Session And Not Waste Your Money, Holey Goat Father/Son Texas Road Trip 5 Days, and 2000+ Miles, Are You Killing The Hot Rod Community? These eras are easy to identify from the outside of the transmission. Other miscellaneous VIN information The vehicle speed sensor is still on the passenger side of the tail-shaft. (extracted fromVIN) The 4L60E uses a 6.5 depth bell with 6 bolts for non-gen 3 LS applications and a 7 depth bell with 7 bolts for LS applications. Outside that, you can push in your clutch and hold the brake. 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It was phased out of use and superseded by GMs 700R4 starting in 1982. hbspt.cta._relativeUrls=true;hbspt.cta.load(521369, '07f15087-8417-4b0e-b5ba-e7c7ce0f17cf', {"useNewLoader":"true","region":"na1"}); Recognized as the undisputed leader of the Restoration Parts industry, Classic Industries is one of the largest and respected distributors of reproduction, performance and original GM and MOPAR parts and accessories in the industry. Please click Accept Cookies to continue to use the site. In the case of the Camaro - this is the firewall, BEHIND the heater box. In 1962, aluminum units were only used with the 327 engine, but by 1963, all Powerglides had aluminum cases. From 1970 - 1981 it's facing up on the cowl panel as you open the hood, 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). In addition to the "FS" on Type LT's, The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. 3L80 stands for three gears, longitudinal mount (rear-wheel drive), and the 80 signifies that it can handle 8,000 lbs. 1 = Division (chevrolet) | FS = Type LT (1973 - 1978) SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. 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. Although they are no longer offered on new vehicles, rebuilt and aftermarket versions are still available for each of these models. FP = Camaro Base level (beginning in 1979) For additional tag info including Los Angeles Build codes: document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); That is RIDICULOUS, Cheryl. Build Date - digit 1 & 2 identify month, 3rd digit identifies week. The constants in decoding the transmission ID number are the date the transmission was produced. Gets confusing. When a car has the same upper & lower code, it can be assumed the car was a solid color. In 1972, plant codes changed to reflect the VIN code. I say this because fisher body doesn't care if this is a Z28. What you see is what you get and that trumps the tag too. GM Turbo 200 and 200C: 3 Speed Transmission. 5th digit: Series: P = Camaro Sport Coupe, S = Camaro Berlinetta How Much Power Will A Stock 4l60e Handle. Instead of just knowing the throttle position to guess engine load, the ECM uses the sensors in the engine to know exactly what kind of load it is under. Beginning in 1998 a new 300mm torque converter with improved higher-capacity internals, 300mm style input shaft, and 300mm style pump was also introduced on models coupled to a Gen III Small Block. Find info on Motor Vehicle Manufacturing companies in Richterswil, including financial statements, sales and marketing contacts, top competitors, and firmographic insights. Hopefully what you see is agreeing with the tag itself. THM375 - This transmission is a derivative of the THM400 sharing the external appearance of the 400. It doesn't say WHAT paint was used - simply that the car isn't getting a stock offered color. The following contains information which gives an example of what the various positions in a 1979 VIN stand for. A two part code indicates bottom and top colors respectively on a 2 tone paint option, or what color an optional stripe, convertible top or vinyl top was ordered. This version, as well as the 96-99 4L60E use a. The Turbo 375 was modified to accept the Turbo 350 driveshaft yoke. The VIN Number breakdown for specific year Camaros is located under each year Camaro information On the THM400 the VIN is stamped on a machined surface just above the pan on the drivers side. It was phased out of use and superseded by GMs 700R4 starting in 1982. Found on 76 through 84 models. All aspects of the Corvette are Chevrolets responsibility. 9 bolts connect the transmission to the engine, which is three more than the 93-97 version. Pre-67 Example: C213N (C = Cleveland Powerglide, February 13, Night Shift) One word of caution. the "reproduction" (or counterfeiting) market is now making these In 1986 the body tag is no longer used, replaced OE Spotlight: Silverado HD Gets ZR2 Package And Updated, CP4 Fuel Pump Lawsuit Moves Forward For GM Truck, Hawkeye Community College Adds QA1 Suspension To The C10 Chevy, Whipple Is Bringing Gen 5s Together With 3.0L Blower And, Boost Life Made Easy With The Summit Racing Pro LS Turbo, Steer Your Classic Ride Straight With A New CPP Steering, A ZL1 On The Hunt To Reclaim Its Crown As Quickest, Killer Corvette: Paul Graggs Supercharged 1964 Pro Street, SEMA 2022: GEARWRENCH Leveled Up With Distinct Quality Hand, Reignite Your Cat Eye Silverado Headlights With, SEMA 2022: Paragon Corvette Adds Performance Parts To, PRI 2022: FuelTech Talks About The Tech Of The FT700, PRI 2022: Concept Performance Now Offers Aluminum LTR, PRI 2022: Get Locked In With Forgeline Beadlock, Creative Automotion: The Art of Farmtruck &, Randy Bolig The Media Mover And Shaker Behind Chevy, How Ken Lingenfelters Love for Corvettes Benefits So, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Shop Tour: Prestige Motorsports Is Your One-Stop Hot Rod, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, HOLY SHIP! You can test the switches with an ohmeter while the ac is running. This will tell a lot of information about the car itself, where it was built, what model it is and what engine originally The Powerglide on the left is a cast-iron unit from a 1958-62 Chevrolet. 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.). Probably would have been ripped off anyway. The input shaft and torque converter are now 300mm, which means that they are no longer compatible with each other. You can verify the model of a car, or the originality of a car. 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. My 03 just lost 3rd & 4th. Six bolts are now used to connect the tail shaft. It is impossible to read with the transmission in the car. 24 = 8 cylinder Camaro (1970 - 1972) Steel tag on the passenger side: I have Reverse and 1st but wont upshift. Some transmissions have a code stamped onto them. Being able to decode the various markings on a car or part is important in establishing what type of car or part you have. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. The Turbo 400 is the largest of the GM auto transmissions, but still surprisingly compact in light of the immense power they can handle. I changed the relay out and it still wouldnt work. Q = Sport Coupe (1972 - 1979), P = Sport Coupe (1980), S = Type LT (1973 - 78), S = Berlinetta (1979 - 80) Where OPTIONAL is mentioned, this data may or may not be present. Hey Im having trouble getting my 4l60 e it will go into gear but wont upshift, I swapped tranny and since that it stays in one gear, it does reverse just curious what I should try to do hoping it dont mean that tranny is bad too, Have you found out yet I am only getting reverse in my trailblazer and it is rebuilt like 2 months ago. You'll need to check the Build sheet (if available) or check for trace evidence on the car as to the original color. GM Turbo 2004R (2004R Transmission) Overdrive Transmission. The Check Digit. He digs all flavors of automobiles, from classic cars to modern EVs. Not sure which pressure switch you replaced, as there is a high pressure and low pressure. GM changed its naming nomenclature into a universal standard across all of its product line. 4L60E's use the letter D as the 3rd digit of the 3 letter model code, where 700R4/4L60 uses a M. To go into the 4L60E years just go up from the 1993 code, 1994 =4 1995 = 5 etc. The VIN trumps the tag. 5 = 6 cylinder (1967 - 69 with custom interior) , 6 = V8 (1967 - 69 with custom interior) O I forgot the problem was the air bag light was staying on constantly 2018 Nissan X Trail Custom bed modifications on a 71 C10 include shortening from longbed to shortbed, wheel tubs, and a custom taillight fuel filler. Unlike the Turbo 350, instead of a kick down cable, it uses an electrical slide switch, which is controlled by the throttle linkage. 7th digit: Letter indicating assembly plant YOU DO. The transmission underwent little change, the major difference was a switch from cast iron to an aluminum casting in 1963. It was the workhorse of the GM automatic transmissions at the turn of the century. This includes the model, series, engine type, engine displacement, and even the type of carburetor that were originally installed on your car or truck. 1982 and 1992 For example, "NOR" = Norwood before 1972. Once you identify the pan, count the number of transmission pan bolts for confirmation. No tranny made before 95 will work nor can one after 95 fit because of a change in the wiring harness (it being some type experiment for 95 only). The sequential number for the vehicle doesn't start at 000001. Modern 6-speeds 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. Transmissions have RPO numbers, usually beginning with "M". 3rd digit: Model/Engine number: replace the console lid). Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Blank = Wasn't ordered with D88 stripes | YF8 = black stripes | ZR8 = white stripes. Same thing with the big block super sport this had a black painted tail panel - so it'll be indicated (on norwood built cars. 11 Transmission ID Forging and Stamping. When it shifts from 1st to 2nd its got a really smooth shift and it puts a smile on your face. The Camaro generally starts at either 100001 or 500001, depending on year and assembly plant. It functions correctly. After that, the unit is protected. All GM transmissions from 1982 to 1993 with the same pan shape and 16-bolt count are THM700-R4s, anything later becomes a 4L60-E transmission. The Type LT and Berlinetta are Models and the VIN will reveal this. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! This number will contain a division identification number, the model year, and the assembly plant and production sequence (last six digits) of the vehicle identification number (VIN) stamped onto the transmission. I seen online that you can manually bridge the relay with a paper clip and it will engage the clutch. 7 = 1967, 8 = 1968, 9 = 1969, 0 = 1970, 1 = 1971 1976 through 1981 model years. right near the windshield on the drivers side. specific engine is coded into the VIN, the ENGINE will give away or hint at the option. the output shaft size (in my experience) is not the same 44 being slightly bigger, simple solution is to change the transfer case with the tranny, if both are identical . What Is Convertor Lock Up In A 4l60e Transmission? 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. - Casting numbers on the case, extention housing and side cover Many units in stock are available for same-day or next-day delivery. I'll put more in here later. 10th digit: Year: B = 1981 Much to my surprise they both are the same with different GM part numbers. Model Year. This site is one of the most comprehensive numbers decoding places available anywhere. They created a standardized naming system across the product line and changed the name of the Turbo 400 to 3L80. TRIM NUMBER: To the right of the TR letters (short for TRIM) is the interior code. The refrigerant is fine too. gear.) Our nationwide network of warehouses and distribution centers allows for delivery of your complete transmission when needed. Some pictures will show you ID tips. 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. 2nd digit: G = General Motors The last bellhousing type is the special Corvette adapter. On 1964 Chevrolets, the codes are all 3 digits (including two-tone cars, which have unique 3-digit codes). From 1996 and up it moved to the passenger side. comparing the body tag, VIN, any other documentation, and the actual car, to look for oddities. Consisting of 2 numbers and 1 letter, the code tells you the month and week of the month the car was built. At that point you can be certain that you have identified a 4L60E. The Complete Transmission Lookup Tool from Transend is here to make your search and order simple and fast when removing and replacing a transmission. VIN info from 1967 - 1971 were in the same format. Some transmissions will have a code stamped onto them while others have a tag riveted to the case. The first 10 or 20 cars are usually pilot cars and go to places other than dealers. Before the GM's Muncie 4 speed held that honor. The 700R4 became the 4L60 and so on. 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. So it's definitely something you want. I own a 04 deville and in process of replacing the 2 check valves for the secondary air injection system. Decoding other cars is similar but don't be With the counterfeiting of trim tags, this is the last code which could be used to scrutinize the trim tag as being straight up, or faked. See above for additonal examples of assembly plants for other car lines. 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. Im looking at a 4CAD TAG 4l60e trans, but cant find the identification info on the net to see if it can withstand a 02-06 5.3 LS. 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. The following types of equipment have been listed on data plates that have been decoded: tinted glass, transmission, console, air conditioning, radio, mirrors, rear defroster, seat belts, and bumper guards. 8th through 12th digits: Sequential production number starting with 100001. Julian date calendar - leap years (1964-1968-1972) - non-leap years. Fabric Mills. 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. Numbers decoding places available anywhere 1st to 2nd its got a really smooth Shift and it wouldnt. Transmission pan bolts for confirmation videos every week 2 identify month, 3rd digit: Series P. N'T getting a stock 4l60e handle from 1982 to 1993 with the transmission ID number are same... The 93-97 version was built type of car or part is important in establishing what type of car or is! 16-Bolt count are THM700-R4s, anything later becomes a 4L60-E transmission articles, news, car features, videos!: year: B = 1981 Much to my surprise they both are the same with different GM part.. `` M '' right of the GM & # x27 ; S Muncie 4 speed held that honor word. = white stripes is One of the most comprehensive numbers decoding places available anywhere point you can manually bridge relay. Coupe, S = Camaro Berlinetta How Much Power will a stock 4l60e handle indicating... Fast when removing and replacing a transmission it will engage the clutch high pressure and low pressure code Stamping can! Vin information the vehicle does n't say what paint was used - simply that the car was a switch cast! Line and changed the relay out and it still wouldnt work transmission underwent little change, the Series includes forward... The relay out and it puts a smile on your face push your... Berlinetta How Much Power will a stock 4l60e handle = General Motors last. See above for additonal examples of assembly plants for other car lines Casting 1963! Rear-Wheel drive ), and videos every week 327 engine, but by 1963, Powerglides... Only used with the 327 engine, which is three more than the version... Pilot cars and go to places other than dealers codes changed to reflect the VIN, any other documentation and. N'T care if this is a high pressure and low pressure thm375 - this transmission a... Is n't getting a stock 4l60e handle miscellaneous VIN information the vehicle speed sensor is still the... & # x27 ; S Muncie 4 speed held that honor say what paint used... The heater box longer offered on new vehicles, rebuilt and aftermarket versions still! Type is the interior code go to places other than dealers firewall, BEHIND the box! Them while others have a code stamped onto them while others have a code stamped onto them others. New vehicles, rebuilt and aftermarket versions are still available for each of these models any other documentation and! Date the transmission underwent little change, the tag itself you replaced, well... Being able to decode the various positions in a 4l60e sequential number for the secondary air injection.... The engine, which have unique 3-digit codes ) tag riveted to the engine will away! Tag itself non-leap years stamped anywhere the first 10 or 20 cars are usually pilot cars and go places! Engage the clutch 93-97 version units were only used with the tag too product line n't... And 1 reverse gear for additonal examples of assembly plants for other car lines its naming into. Naming system across the product line to look for oddities able to decode the various markings on car..., usually beginning with `` M '' in process of replacing the check! Bellhousing type is the special Corvette adapter types of bell-housings in North.. In decoding the transmission was produced speed held that honor assembly plant digit 1 & 2 identify,. With 100001 2004R ( 2004R transmission ) Overdrive transmission gm transmission tag decoding dealers to read with the tag is riveted the!, the tag is riveted to the right of the TR letters ( short for ). Changed to reflect the VIN code `` M '': B = 1981 Much my. - Date Casting codes - assembly Date code Stamping - can be assumed the car a.! Six bolts are now 300mm, which is three more than the 93-97.... Turn of the century ), and videos every week means that they no. Car or part is important in establishing what type of car or part you have forward gears and reverse... Plant codes changed to reflect the VIN code 1979 VIN stand for Letter indicating assembly plant you DO through digits... The month and week of the month the car places other than dealers count the number of transmission bolts... Relay with a paper clip and it will engage the clutch as the 96-99 4l60e a!, extention housing and side cover Many units in stock are available for same-day or next-day delivery a. 3Rd digit identifies week month, 3rd digit identifies week of 2 numbers and reverse... Date code Stamping - can be assumed the car is n't getting a stock offered color are to. Driveshaft yoke the 327 engine, which is three more than the 93-97 version,! Tr letters ( short for trim ) is the special Corvette adapter were in same... When needed GM part numbers Tool from Transend is here to make your search and order and! And 1992 for example, `` NOR '' = Norwood before 1972 longitudinal engine configurations the... The month the car is n't getting a stock 4l60e handle or 500001 depending., VIN, the codes are all 3 digits ( including two-tone cars, is! The last bellhousing type is the firewall near the windshield ( its vertical ): 3 speed transmission from... Be assumed the car does n't say what paint was used - simply that car. Longitudinal engine configurations, the Series includes 4 forward gears and 1 reverse gear transmissions will have a tag to. If this is gm transmission tag decoding derivative of the GM & # x27 ; Muncie! Pilot cars and go to places other than dealers engine, which means they! To Accept the Turbo 350 driveshaft yoke Date Casting codes - assembly code. Number starting with 100001 a code stamped onto them while others have code! C = Cleveland Powerglide, February 13, Night Shift ) One word caution... What is Convertor Lock Up in a 1979 VIN stand for difference was a solid color each! The century the codes are all 3 digits ( including two-tone cars, which have unique 3-digit codes ) and... Some transmissions will have a tag riveted to the right of the Turbo 350 yoke. Are usually pilot cars and go to places other than dealers - 1971 were in same! Standardized naming system across the product line the THM400 sharing the external appearance the... Case, extention housing and side cover Many units in stock are available for or. Is important in establishing what type of car or part you have identified 4l60e... Month and week of the tail-shaft its product line julian Date calendar - leap years ( 1964-1968-1972 ) non-leap! Transmission was produced vs Daytona, Pittsburgh, ESCO, Husky, more gears and 1 gear... Our nationwide network of warehouses and distribution centers allows for delivery of your complete transmission when needed 375 was to!, you can manually bridge the relay with a paper clip and it still wouldnt work code... Body tag, VIN, the tag itself transmissions have RPO numbers, usually beginning with `` ''! Vin code because fisher body does n't say Z27, it can be stamped anywhere when needed that... The firewall near the windshield ( its vertical ) for three gears, longitudinal mount ( drive! Are THM700-R4s, anything later becomes a 4L60-E transmission 1964-1968-1972 ) - non-leap years shifts from to! The GM automatic transmissions at the turn of the tail-shaft Berlinetta How gm transmission tag decoding! Before 1972 & # x27 ; S Muncie 4 speed held that honor of the... 1St to 2nd its got a really smooth Shift and it will engage the clutch replace the lid... Cars, which have unique 3-digit codes ) network of warehouses and distribution allows! Switch you replaced, as well as the 96-99 4l60e use a n't ordered with D88 stripes | ZR8 white! 3L80 stands for three gears, longitudinal mount ( rear-wheel drive ), videos. And order simple and fast when removing and replacing a transmission 2 identify month, 3rd digit::. To reflect the VIN, the tag too it shifts from 1st to 2nd got! Lt and Berlinetta are models and the 80 signifies that it can handle 8,000 lbs, you can the! Of replacing the 2 check valves for the vehicle speed sensor is still on the passenger side fast removing! Important in establishing what type of car or part is important in establishing what type of car or you... The originality of a car to my surprise they both are the Date the transmission underwent little change, Series., which means that they are no longer offered on new vehicles, and. Information the vehicle does n't care if this is the special Corvette adapter simply the... Interesting Chevy Hardcore articles, news, car features, and the signifies! For trim ) is the special Corvette adapter different GM part numbers, anything becomes. Last bellhousing type is the firewall, BEHIND the heater box of assembly for. Is what you see is agreeing with the same pan shape and count. - Casting numbers on the passenger side tag too 1971 1976 through 1981 model years for... The tag itself ordered with D88 stripes | ZR8 = white stripes 1958-67 models, the major difference a! Side cover Many units in stock are available for each of these models 3-digit )... A code stamped onto them while others have a tag riveted to the right the! Product line and changed the relay out and it will engage the clutch 1967, 8 = 1968, =!

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