As these bands, clutches and other internal components experience wear and tear over time, this dialogue between the computer and transmission can become disrupted. It is important to be aware that if your computer needs reprogramming or rebooting, it can affect the performance of your automatic transmission. What year 4L60E has the removable bell housing? There are 9 bolts that retain the clutch housing to the transmission case. Includes 8 bolts; Bolts are clear zinc coated steel, Grade 10.9, JIS head; 45mm . The TH700R4 was renamed "4L60" (RPO MD8) following the new General Motors naming convention when the electronic version, 4L60E (RPO M30), was phased in as the 4L60 was being phased out.This happened in 1993 for trucks, vans, and SUVs, and 1994 for rear wheel drive passenger cars. i havent used a torque wrench on these items ever as i do trans R&R for a living and just use my impact guns. 1.25 x 20.0 . Torque the adapter and transfer case mounting Apply a light film of TransGel or Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Save my name, email, and website in this browser for the next time I comment. The 4L80E transmission is widely known for its superior power and strength compared to the 4L60E. It is important to note that if you are replacing or attaching any other parts to the bellhousing (such as a new converter), you will need to retorque these bolts after everything has been installed. The stator is attached to the transmission housing and provides a stationary surface for the turbine to rotate against. Not only is the 4L60E transmission robust and reliable, but it's also surprisingly lightweight. A forum community dedicated to hot rod owners and enthusiasts. The original 700-R4 was built in 1982 as a Corvette four-speed automatic with overdrive. Both 2wd and 4wd versions of the 4L60-E can be used equally well, and there are no inherent advantages to either one once you have installed our adapter assembly. Chevrolet Performance Parts makes an adapter kit that allows using the GEN III/IV LS style 4L60E/4L65Es bolted to a one-piece rear main seal Gen I small-block Chevy engine. There are thirteen bolts in the bellhousing of a 4L60E. These transmissions that are mated to the Chevy NP231 (231C) transfer case use an adapter with a different bolt pattern and spline count than the Jeep NP231 (231J). If you begin to notice problems or irregularities in your vehicle's shifting patterns or acceleration capabilities, it is likely that there has been a breakdown in communication between the two systems. When the pan bolts are tightened too much, this causes the flange to distort and become warped in some way. JavaScript is disabled. In such cases, you should take your vehicle into an experienced auto repair shop for evaluation as soon as possible so that any necessary repairs can be made before further damage occurs. The last thing you want is for your brand new transmission pan to start leaking fluid! Sep 6, 2021 / Is it just me or are these things (hexalobular socket screw drive) invented to make it hard to do self repairs, anywho if some one knows a brand that is the least likely to fail please do tell. GM's commitment to the 4L60-E is apparent in its strength, quality, and broad usability. Apply antiseize compound to the threads of the sensors to allow easier removal in the future. First things first: its always important to consult your owners manual before beginning any work on your vehicle. Is there a secret to these things or should I just find a Proto or Snap-on. Manual Transmission: 60-80 ft/lbs Listen and feel for three distinct "clicks" as the torque converter engages each component (input shaft, stator support and pump rotor). It is now widely considered to be the best rendition of the finest overdrive automatic transmission ever produced. If you are considering a transmission rebuild, it is important to know that the average life-span of the rebuilt transmission is between 30,000 and 50,000 miles. linkages As you can see, there are multiple variations on the 4L60E transmissions that make it very easy to wander down the wrong performance path. Install front and rear drive shafts (match-marked). There is one gasket with 17 bolts on 4L80E models, while the 4L60E pan contains 16. Later 1984-97 700R4 and 4L60 versions were of the 298mm family line, with a 30-spline input and a 1.70-inch diameter hub. If everything looks good and there are no leaks, then youre all done congrats! While working on a car, one of the most important pieces to consider is the 4L60E Bellhousing Bolt. If you look at the progression of new cars for the last 30 years, its all about digital management of every aspect of the automobile including automatic transmissions. It also features a wide range of gear ratios so drivers can choose the one best suited for their particular needs. First of all, these transmissions are designed for use with a variety of different engine types, so its important to make sure that youre using the correct mount for your application. The most dramatic 4L60E change occurred around 1996 when GM converted to a removable bellhousing. Does the torque converter Share fluid with the transmission? The bad news is that theyre all different sizes, so youll need to pay attention when tightening them. Inspect all gears, pinions, and carriers for signs of wear, galling, or other damage. Carbureted engines will require a Throttle Position Sensor. transmission tunnel to avoid damage. For those wanting to swap a 4L60E into an earlier car, you also need to think about speedometers. The 4L60E is a GM automatic transmission designed for longitudinal engine configurations. These bolts hold the bellhousing which houses the clutch and flywheel onto the engine. transmission oil cooler, since any contaminated oil there or in the While the back of your engine is bolted to the bell housing, which acts as the front of your transmission, if a rear main seal leak occurs, oil will inevitably drip down into this area. Adaptability to nearly all other Jeeps is exceptional. By using these specialized lubricants, you can save yourself time and energy while ensuring that your bolts stay secure and tight for longer. If youre working on a 4L60E transmission, its important to know the torque specs for the bellhousing to transmission bolts. Instead, take time to inspect both sides of the Pan and make sure that it has been properly affixed with no sign of warping or buckling before continuing with installation or reinstallation procedures. This may seem like a small amount but don't be tempted to tighten them more than this as it could result in serious problems with your engine. The 4L60E Bellhousing Bolt is reliable and sturdy, so you can be sure that any job you do with it will last for years if not decades. All that bouncing and jarring on rough terrain can cause wear and tear on your vehicle's suspension system over time. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The number of bolts that both contain is also different. Moreover, this transmission's size makes it well-suited to fit in smaller cars and trucks as well as larger vehicles with more powerful engines. These bolts must be properly torqued in order to prevent leaks and ensure proper function of the transmission. Over-torquing can damage the gasket and cause it to leak. Allowing for easy installation and an effective fix, this reliable bell housing kit will help keep your vehicle safe while driving. I & II 3/8" drive for everything except for the trans to the engine. ICT Billet 4l60e Bell Housing to Transmission Case 8 Bolts Replace Torx Replacement Set Kit T56 LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 Made in America bell housing 551684. . Truck engines such as the 4.8L, 5.3L, and 6.0L used a dished flexplate to place the starter ring gear in the correct position. Two of the bolts require sealant. It is the successor to the Turbo Hydra-Matic 400 transmission. A Vehicle Speed Sensor (VSS) is used as the primary feedback sensor, which feeds the PCM or ECM (vehicle powertrain computer) the data to make shift decisions. So many variations in specs out there . Earlier engines can be joined to the 4L60-E by use of a GM Controller, #12497316. Began receiving a bolt-on bellhousing in certain models (all models by 1998) Six-bolt tail shaft; . So many variations in specs out there . This could lead to sudden and severe loss of transmission fluid which in turn would cause significant performance issues if left unaddressed. About Us. While the 4L60 transmission does not utilize a vacuum hose, it is instead run by a throttle cable that connects to the throttle body. The TP50 bolts inside the bellhousing right? Jun 13, 2010 Those particular bolts are super tight for some odd reason. For a better experience, please enable JavaScript in your browser before proceeding. However, as a general rule, most bolts should be torqued to between 30 and 35 ft-lbs. Be careful when buying a flexplate, as replacement parts often listed for these engines are the concave style that will not work. Additionally, its durable design ensures that it can handle heavy use and extreme temperatures without sacrificing reliability or longevity. However, its always best to err on the side of caution and go with the lower end of that range; over-tightening these bolts can strip them or damage the threads. If you're looking for an even more powerful option, then check out their Invincible Black Edition 4L60E trans which can support over 1,000 ponies! The 4L60E bellhousing to transmission bolts are responsible for holding the bellhousing to the transmission. Finally, you need to be aware of the fact that some aftermarket mounts may require slightly different torque specs than what is listed here. What happens if you over torque transmission pan bolts? Without this signal, the transmission can become unstable and suffer from poor performance and fuel economy issues. The first is for the bell housing bolts. It is also equipped with advanced technology such as an internal wiring harness, speed sensors, and pressure switches that help improve performance even further. However, these versions have strengthened and improved components for the significant power outputs of GM's impressive line ofGen. III+ engines.The 4L60E was concurrently produced along with its strengthened progenitors; the 4L65-E and the 4L70-E. The recommended torque spec for all 4L60E transmissions is 65 ft-lbs + or 15%. It offers incredible strength and durability, especially when compared to lighter-weight transmissions, which makes it well suited for high-power builds where reliability is key. Only 3 left in stock - order soon . LT). Plus, these high-quality parts are made right here in the USA! Therefore, it is essential that care is taken when installing or re-installing the pan. "), please read through CJM8515's post on the subject. The automotive world is increasingly regulated by digital electronics, and hot rodders might as well take advantage of these amenities. threads of the torque converter bolts, and torque the TC bolts to 45 The 4L60E transmission is a very popular model of automatic transmission, and as such, there are many different torque specs for its various parts and components. Is the 4L60E a strong transmission? The Late model also incorporates several internal enhancements that improve reliability while increasing torque capacity up to 360 lb.-ft., making it an ideal choice for light trucks with bigger engines or heavy hauling applications. Unless you need to swap bells, I see no reason to ever remove them. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. If you are working on something where you have time simply mess around with your wrenches, ratchets, and air tools while following with the torque wrench. This particular model of transmission has become increasingly popular due to its robust construction and reliable performance, making it a popular choice among car owners looking for quality transmission parts. Thanks to its advanced technology and ease of use, this series of transmissions quickly gained popularity within the auto industry as well as among everyday drivers who valued performance over anything else. Torque the bolts down in a star pattern to 8-10 ft/lbs. Each pattern is designed to fit specific engine families from General Motors which gives mechanics peace of mind knowing that they have an interchangeable part if needed during maintenance or repair work on these vehicles. FREE delivery Fri, Feb 3 . The number of this particular kit is 551684 and can provide you with the peace of mind that comes with knowing your transmission case has been securely fastened. This is because the bellhousing is what attaches the transmission to the engine. 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