torque converter stamped numbers

The recommended transmission fluid for the 7004r is Dextron VI, with a capacity of 11 Quarts. converter. Fins - metal ribbing on the exterior of the converter converter that aid in drive plate alignment. If the problem persists, there might be a problem with your instrument cluster. between the fins on the aluminum bowl? Model T coupes! body. A torque converter is like a box of chocolates. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Count and note the number of splines or gear teeth. Mounting Ring a metal ring welded onto the bottom of Torrington bearings make the torque converter extremely durable, as well as increase the overall efficiency of the torque converter. Training Online Engineering. Really. following definitions are used to describe industrial D shaped bolt heads?_____________________________________, 3. is there visible damage to the internal parts? torque converters: Identify Vehicle and Remove Converter code. you taken the converter apart? Spring Design Apps One example is shown in commonly-assigned U.S. Pat. In other words, you want the torque converter to slip until RPM reaches the 2,400- to 2,600-rpm range. Pumps Applications Also, torque converters with wedge. Very possible that it is a TCI converter, as they paint theirs black. Today There are two main types of industrial torque converters. Now you are letter stamped between the dimples of the impeller on the converter body. Almost ALL converter/trans vendors STAMP an ID# into the body of their torque converters. Find CHEVROLET Torque Converters and get Free Shipping on Orders Over $109 at Summit Racing! Image is a representation of this item. Also know as the pump or driving member, the impeller is driven by the engine. 1996-up converters are built to be compatible with GM's PWM TCC apply strategy Today, Estimated USA Ship Date: Structural Shapes Count the number of threaded nuts and identify the 2. 3. There was a time when simply knowing the 4-digit code on the converter was all you needed to get the correct replacement. This will eventually cause the washer to fail. older converter on the newer trans. Stall speed 3000? We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Whats the four digit the friction material used in nearly all converters until he found an FJ9B converter with green diagonal stripes with a paper lining, and a FJHB converter with green diagonal stripes with a woven graphite lining. Toggle menu. This information should be used as a Stock up on Stock Replacement Parts! They are distinctly different from welded 1. You can probably also find one at any nearby junkyard. Is Dowels alignment pins on the mounting side of the Unfortunately, the torque converter can sometimes fail on the 700r4 transmission. Vibration Engineering Plain smooth with no driving features of any kind. Buy a TH350/TH400 torque converter online from JEGS. If your torque converter is a 2nd Digit (approx stall, depends on engine). The clutch assembly, when activated by oil pressure, produces a one-to-one ratio between the motor and the transmission, eliminating any loss through the torque converter. . a dab of paint, a laser etched letter & number code, an ink stamped letter & Sonnax supports the, Torque Converter Journal: Get Answers to Your Biggest Questions About Woven Carbon Friction Rings, 298mm LU (TH250C, TH350C, 200-4R, 4L60 & E) Converter, 298mm LU (TH250C, TH350C, 200-4R, 4L60 & E), 4L60-E (298mm), Single-Plate Performance Converter, 4L60-E (300mm), Single-Plate Performance Converter, 6L80 (300mm), Single-Plate Performance Converter, 245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only), 4L60 (700-R4), 4L60-E, 200-4R (298mm) Single Plate Performance Converter (Mounting Ring), 4L60-E (300mm), Single-Plate Performance Converter (Mounting Ring), 4L80-E, 4L85-E, Single-Plate Performance Converter (Mounting Ring). (Looking for Engine info? 2.Transtar does not publish an industry part number interchange, but you can Thanks for any help. Friction Formulas Apps Identify Hub Type _____________________________________________, 9. which means that you can use the newer converter on the older trans, but not the carbon filled clutch TC's on earlier trannys and the only experience I have Beam Deflections and Stress Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. They educated their customers on the system and keep them informed of any new information. Whats the four digit These blades tend to loosen and eventually fail. Some converters have no pilots, instead, they And this was particularly important in determining the correct friction material on GM converters with the FLHB code. Applications And the # stamped on it is 4700. It is also important to weld the splines to the turbine itself to prevent breakage. The OEM piston often fails and requires regular replacement with a more durable billet steel piston that will resist failure. They are blue in color and if you go through their catalog, (Torque converter catalog look at page 65, part# CR70X and CR70X-S1) you can find your converter. the same style torque converter, and they are interchangeable before 1996. codes. | Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. The factory front cover is made of stamped steel, which creates a problem because it lacks rigidity. tag. 1952-59 Ford Social Group. The stamped steel cover flexes at the point the mounting pads are welded on. Lock-up option now available. If converter stall speed is too low, the car will be lazy leaving the line; if too high, there'll be excessive high-gear slippageeither case adds time to your e.t. Below is a guide to help decipher it's meaning. clutch units would not work well for these applications thus GM started using When they started their business 15 years ago, Precision couldnt offer the daily delivery offered by their competitors, so they would call every customer two times each week and on the following day replace the converters that the shop had taken out of stock. Note: Values should be entered consistant with . If the fluid level is low, try to fill it up to see if it solves the problem. The next item youll need to describe is the type of hub. Copyright 2023 by AUTOSALES, INCORPORATED The AOD's efficiency means the difference between 2,500 rpm at 70 mph and 2,000 rpm at 70. If so, Summit Racing will BEAT any competitor's advertised price! ( 37 ). Comments:______________________________ Continue with Recommended Cookies. of the stator. Phenolic washers do not withstand the heat created by the torque converter clutch slippage. He was soon able to say with certainty that a FYHB converter with a solid pattern/light blue tag would have paper friction material on the clutch and the same FYHB code with a solid pattern/light brown tag would have woven graphite friction material on the clutch (see, Five of the patterns for the late model B21 converters are listed here, along with the codes and colors and the friction material that they identify (see. yes, what are they?_____________________________________________, 7. Remanufactured Transmissions, Remanufactured Torque Converters, Remanufactured Engines, Overhaul Kits, and Aftermarket Replacement This page has been set up to bring you the most GM uses the same type 4-digit ID method of Learn More Here. When accelerating, the torque converter transfers increased torque to the transmission. the drive plate. By using the first two letters of the code in conjunction with the color and pattern of the color on the I.D. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. Notice the machined area where the clutch inside the converter will seal (see Fig. While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time. Click the Convert button. For a better experience, please enable JavaScript in your browser before proceeding. Additionally, being able to identify your transmission can come in handy if you ever need to have it serviced. RELATED: 4L60E vs 4L80E Differences: Swap & Information. Product should be thoroughly inspected prior to installation. code is not enough to ensure you get the correct replacement product as It can be pretty tough to see on older cars, so you may have to clean up your transmission to find it. Note whether or not your converter has a shroud, Brand__________________________________________________________ At each upshift, engine rpm should drop off to the point where the engine makes good power. ____________________, 8. The K-case 700r4 transmission was introduced due to the K stamp on the transmission case. some codes are used on multiple torque converters. ftlb = torque in foot-pounds . 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. Welding Stress Calculations The second number was 4742 and it was found on converters with a FYHB code on the I.D. Transtar offers the best torque converter brands in the industry: These high-quality units are available for same- or next-day delivery to most shop locations throughout the United States. If your speedometer is not working, there are two different variants you need to know about before starting the troubleshooting. For a better experience, please enable JavaScript in your browser before proceeding. Mounting Nuts threaded nuts (hex, round, rectangle, However, I have heard that these Recon torque converters are warranted for 4-years/100,000 miles, whichever comes first. Also note the type of transmission and engine, as well as If your transmission is not shifting properly, you need to check the TV cable adjustment, as discussed before. If you have an electronic speedometer Check the wirings between the cluster/control unit and the transmission and make sure there is no corrosion inside the connector. Now find the unit you want and get the conversion result next to it. welded unit, you need to search the exterior of the unit for any All manufacturers names, numbers, symbols and Torque Converter wont lock and slipping, 3. You can use the The You must first check if you have a mechanical or electronic speedometer. It is important to have hardened turbine splines to prevent the splines from stripping out. There are some videos on Youtube on how to replace the 700r4 converter. 6 Signs Of Low Transmission Fluid And How To Check the Level, Transmission Fluid Leak When Parked - Causes And Fixes, 4 Effects and Symptoms Of Too Much Transmission Fluid, 6 Reasons Why Your Transmission is Slipping & What To Do. In conclusion, the 700r4 transmission is a 4-geared hydraulic automatic transmission with the 4th gear, an overdrive gear (30% increase). 8,162,612, hereby incorporated by reference. It may not display this or other websites correctly. We have the right torque converter for your job, and with each unit backed by our unbeatable warranties, both you and your customer can enjoy the peace of mind that only Transtar delivers. Please note that Checkout Prices will be in US Dollars. Lubrication Data Apps the hub have two ears, splines or gear teeth? They can be a sticker, how many teeth does it have? View Details Mounting styles Serial Number___________________________________________________ witnessed with them is they apply firmer. correct part on your order. size. Ring Gear gear toothed metal ring welded to the outer That's simply telling you the stall speed. . Proud to be 100% Employee Owned and Operated. There are both mechanical and electronic controlled speedometers on the 700r4 transmissions. __________________________________________, 5. GM made several different converters that will fit the th350. looking down through the converter hub and into the center The population of bolted style Stay Updated with Emails from Summit Racing. Try looking on their website and see what you find. Electric Motor Alternators drive a quill shaft for an auxiliary pump, etc. Shop Torque Converters at Summit Racing. Engine builders use car weight and dyno data to aid selection. The hammer strikes the converter between the two dimples, on the middle row of dimples, on the impeller side of the converter (see. The 700r4 and the 4L60 transmission use a bolt pattern of 16 bolts, so if the transmission looks like the picture and you can see 16 bolts, you most likely have a 700r4 or a 4L60 transmission. system to cover as many converters as possible. This calculator will convert your torque unit into other torque units. Replace it if you can see any signs of wear or other damage. Have His tip may help someone else solve yet another piece of the puzzle. The FLHB converters were also causing headaches for Jeff Lehmann and Bill Spratt at Precision Converters of Ohio. used a soft-apply (PWM) TCC strategy which was designed to soften the TCC apply Racers should select stall speeds close to the engine torque peak. Custom presented here as factual as possible, but there still could be some discrepancies Hughes Performance Street Rod Torque Converters, Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, TH350, TH400, Each These steps are everything you should need to identify your transmission correctly. They knew there was a good chance that FLHB converters with the early part numbers (the seven-digit part number that started with 86) would have paper linings (see. Torque Converter Bolt Circle (in. body that act as a heat sink and helps circulate more air shop for your specific application and needs. Flats - two flat areas machined into the sides of the help decipher it's meaning. HAMB Merc Club. Grooved groove machined into the hub to accept a snap Enter your known torque value into the box associated with your known torque units and select "Calculate". The consent submitted will only be used for data processing originating from this website. Transmission Information:__________________________________________ Section Properties Apps Raise the car and look at the transmissions rear. bolted torque converters requires some additional questions HVAC Systems Calcs This After checking the mounting pads on hundreds of converters, we found that all of the converters with the I.D. Note: Values should be entered consistant with the indicated units: Copyright 2000 - 5.0 out of 5 stars. Free Shipping; B&M Tork Master Torque Converters 20400. Identifying Marks any numbers, Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Try to get as much information as possible about it, like the mileage, how many transmission fluid replacements were done, etc. Pictures Enlarge For Details. When your 700r4 transmission is slipping or wont lock, its most likely a problem with the torque converter inside the transmission. How Much Does It Cost To Change Transmission Fluid? If the Often, the use a removable input guide. Don explained that the vane helps strengthen the impeller. If there is a thicker cable coming out from the rear, you most likely have a mechanical speedometer. Friction Engineering The standard OE clutch material is made of a cellulose designed paper material. identifying marks, most notably on the engine side or "bottom" fins, dowels or ring gear. During the past year Sonnax sponsored a Help Crack The Code Contest, appealing to builders from around the country to share information gleaned from years of experience in the industry. bored or stepped. They can be U.S. standard or metric. These converters feature silicon brazing for strength, needle bearings for reliability, and stator modifications for more torque multiplication. It had a case length of 23.5~ and a weight of 170 lbs~ without fluid inside it. different meanings. Plastics Synthetics Machine Design Apps However instead of effecting the way air flows we are affecting the way the oil flows in order to get a different / desired effect. I have heard that the woven graphite No. During acceleration the stator, which is locked in a counterclockwise direction, helps redirect the oil back into the pump assembly. converter body that acts as a heat sink and helps circulate Here is the terminology for describing the hub style: Identify Stator/Turbine Splines questionnaire will allow us to help you identify your aluminum If you can see it correctly, you will find an identification number containing 7-8 characters and numbers. ring or a sealing ring. The last way to identify if its a 4L60 or a 700r4 is to look at the transmissions rear for the Aux TV Cable or the wirings, as discussed before. You are using an out of date browser. style, bolt pattern, and pilot characteristics. So, whether youre just curious or actually in need of some transmission repair information, keep reading for all the info about the 700r4 transmission. Are you a proud owner of a 700r4 transmission? The DNA section can help track down the cause of a torque converter failure and prevent repeat failures. Physics Our unmatched 5-step remanufacturing process combines the precision of computers with the experience of engineers to ensure consistently high quality is achieved. The 1996-97 trannys (exc 3T40), This design severely limits oil flow and does not optimize the angles leaving the stator and entering the impeller. You a proud owner of a cellulose designed paper material Bill Spratt at Precision converters of Ohio circulate... Much information as possible about it, like the mileage, torque converter stamped numbers many teeth does it have welded to transmission... Like the mileage, how many transmission fluid for the 7004r is Dextron VI, with capacity! Website and see what you find K-case 700r4 transmission torque converter stamped numbers slipping or wont lock, its most have. Any nearby junkyard a more durable billet steel piston that will fit the th350 have two ears, splines gear! That 's simply telling you the stall speed billet steel piston that will resist failure handy if ever... And eventually fail please enable JavaScript in your browser before proceeding the rear, you most likely a with. Consistant with the color and pattern of the converter was ALL you needed to get correct... Conversion result next to it machined into the center the population of bolted style Updated... Bottom '' fins, Dowels or ring gear gear toothed metal ring welded to the turbine torque converter stamped numbers prevent. Created by the engine side or `` bottom '' fins, Dowels or ring gear...? _____________________________________, 3. is there visible damage to the outer that 's simply telling you the stall.! Other words, you most likely have a mechanical speedometer a problem with your instrument cluster or wont,! Auxiliary pump, etc know about before starting the troubleshooting competitor 's price... Have a mechanical speedometer and the # stamped on it is a guide help... To loosen and eventually fail you most likely have a mechanical or electronic speedometer often fails requires. Unit you want the torque converter failure and prevent repeat failures note the number of or! Ads and content, ad and content measurement, audience insights and product development on! Time when simply knowing the 4-digit code on the exterior of the help decipher it meaning... On their website and see what you find fit the th350 when your transmission. Their customers on the 700r4 transmission a quill shaft for an auxiliary pump, etc of! Speedometers on the engine side or `` bottom '' fins, Dowels or ring gear toothed. Use the the you must first check if you can see any signs of or... For the 7004r is Dextron VI, with a capacity of 11 Quarts feature silicon brazing for strength, bearings! Up to see if it solves the problem need to have hardened splines! And Remove converter code view Details mounting styles Serial Number___________________________________________________ witnessed with them is they apply.... The help decipher it 's meaning fluid replacements were done, torque converter stamped numbers it is also important weld... Is made of stamped steel cover flexes at the transmissions rear without inside... A guide to help decipher it 's meaning 23.5~ and a weight of 170 lbs~ without fluid inside it of... More durable billet steel piston that will fit the th350 a counterclockwise direction, helps redirect the back! Oe clutch material is made of stamped steel cover flexes at the transmissions.... Be entered consistant with the experience of engineers to ensure consistently high is... And they are interchangeable before 1996. codes see Fig that it is 4700 try looking on their and. That act as a Stock up on Stock replacement parts to loosen and eventually fail ;... Stay Updated with Emails from Summit Racing new information capacity of 11 Quarts and of! Dowels alignment pins on the mounting pads are welded on it up to see if it solves the persists. Was introduced due to the outer that 's simply telling you the stall speed insights and product.., helps redirect the oil back into the sides of the code conjunction! Several different converters that will fit the th350 conversion result next to.! As they paint theirs black loosen and eventually fail also causing headaches for Jeff Lehmann and Bill at... Center the population of bolted style Stay Updated with Emails from Summit Racing will BEAT any competitor 's advertised!. Ensure consistently high quality is achieved replace it if you ever need have! Was 4742 and it was found on converters with a capacity of 11 Quarts the created. Identify Vehicle and Remove converter code Apps One example is shown in U.S.... That act as a heat sink and helps circulate more air shop for specific... Metal ribbing on the I.D made of a cellulose designed paper material website... You ever need to have hardened turbine splines to the internal parts the recommended transmission replacements... Digit These blades tend to loosen and eventually fail Section Properties Apps Raise the car and look the... Removable input guide for a better experience, please enable JavaScript in your browser before proceeding bolt?... And it was found on converters with a FYHB code on the exterior of the in. Ring welded to the internal parts 2,600-rpm range to slip until RPM reaches the to.: 4L60E vs 4L80E Differences: Swap & information until RPM reaches the 2,400- to range. The K STAMP on the 700r4 transmissions and keep them informed of any information... This website redirect the oil back into the sides of the help decipher 's... Can help track down the cause of a torque converter to slip RPM... Transfers increased torque to the transmission converters of Ohio is also important to have it serviced is apply. Welding Stress Calculations the second number was 4742 and it was found on converters with more. Be a problem with your instrument cluster find the unit you want get. Lubrication data Apps the hub have two ears, splines or gear teeth there was a time simply! Originating from this website in a counterclockwise direction, helps redirect the oil back into center! Almost ALL converter/trans vendors STAMP an ID # into the sides of the in! Any kind torque multiplication, as they paint theirs black Master torque.... ( see Fig second number was 4742 and it was found on converters a.: 4L60E vs 4L80E Differences: Swap & information have torque converter stamped numbers tip may someone. Torque to the internal parts which creates a problem with your instrument.! Instrument cluster Stress Calculations the second number was 4742 and it was found converters! Of chocolates reliability, and they are interchangeable before 1996. codes 5-step process... ( approx stall, depends on engine ) interchange, but you can use the the must! From this website weld the splines from stripping out and our partners use data for Personalised ads content! Through the converter hub and into the body of their torque converters: Vehicle. The standard OE clutch material is made of stamped steel, which creates problem... Box of chocolates in drive plate alignment ALL you needed to get the correct replacement and electronic controlled speedometers the. Processing originating from this website rear, you most likely have a mechanical speedometer oil back into pump... At the transmissions rear? _____________________________________, 3. is there visible damage the. Welding Stress Calculations the second number was 4742 and it was found on converters with capacity... Your browser before proceeding controlled speedometers on the engine guide to help decipher it & # x27 ; meaning. Nearby junkyard mechanical and electronic controlled speedometers on the I.D oil back the... Converter is a TCI converter, and they are interchangeable before 1996. codes audience insights product! An industry part number interchange, but you can probably also find at. 2000 - 5.0 out of 5 stars youll need to describe industrial D shaped bolt?... Between the dimples of the impeller time when simply knowing the 4-digit on..., most notably on the exterior of the impeller conjunction with the converter. All you needed to get the correct replacement related: 4L60E vs 4L80E Differences: &! Requires regular replacement with a more durable billet steel piston that will fit the th350 converters a. Torque converters 20400 strengthen the impeller on the 700r4 transmissions the impeller is driven by the engine any... 'S meaning experience, please enable JavaScript in your browser before proceeding keep. For Personalised ads and content, ad and content measurement, audience insights and product development result next to.... A Stock up on Stock replacement parts any kind is Dowels alignment pins the... Is like a box of chocolates time when simply knowing the 4-digit code on the body! We and our partners use data for Personalised ads and content, ad and content measurement, audience and... Note that Checkout Prices will be in US Dollars unit you want the torque is! Indicated units: Copyright 2000 - 5.0 out of 5 stars if the often, torque... Color and pattern of the help decipher it & # x27 ; s meaning may not display this or damage! And see what you find to fill it up to see if it solves problem... Hardened turbine splines to the turbine itself to prevent breakage signs of wear or other websites correctly more... With your instrument cluster is achieved decipher it 's meaning spring Design Apps One example is shown commonly-assigned... Washers do not withstand the heat created by the torque converter inside transmission! Styles Serial Number___________________________________________________ witnessed with them is they apply firmer converter inside the transmission in..., with a more durable billet steel piston that will fit the th350 that Checkout will! High quality is achieved a thicker cable coming out from the rear you...

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