![]() The torque converter with the 6L80E transmission is a fluid turbine drive. Therefore, ensure to count the pan gasket bolts carefully. The major automatic transmission that the 6L80E will be confused for all come with different numbers of pan gasket bolts. This is why using the pan gasket is considered the easiest way to identify or tell most General Motors transmissions apart. However, the 6L90 transmission has several internal upgrades and a beefier set of gears. In that case, you will quickly recognize the 6L80E automatic transmission since it has an 18-bolt case, which is considerably more than any other automatic transmission from General Motors.ĦL80E and 6L90 transmissions are almost identical and interchangeable for all practical purposes. But suppose the transmission has been dismounted from the vehicle. Get hold of one and use it to confirm the identity of the transmission in that particular vehicle. You will always find one of these sheets in the glove compartment of modern GM vehicles. For instance, here’s a list of GM transmission RPO codes you should know, arranged in no particular order: This is why knowing the RPO code for the transmission you want to identify is nothing short of golden. If the 6L80E transmission is still mounted in the vehicle, you can only identify it using its RPO tag in the vehicle’s glove compartment. However, your identification method depends primarily on whether the transmission is still mounted in the vehicle or has been dismounted. You can identify the 6L80E in two unique ways. It employs a direct clutch-to-clutch shifting with zero bands. The 6L80E transmission’s RPO code is ‘MYC’ and is manufactured domestically in GM’s Michigan plant. Here is the gear ratio of the 6L80E automatic transmission: As a result, it doesn’t have the usual direct 1:1 ratio like the 4L60E and 4L80E transmissions. The 6L80E automatic transmission makes use of 4 underdrive gears as well as two overdrive gears. It comes with a line pressure tap integrated only for diagnostic purposes. As you may have already guessed, this transmission is primarily designed for rear-wheel drive vehicles only. The input torque rating of this transmission is 440lbs. It is known to handle a total gross vehicle weight of up to 8,600lbs, making it one of the greatest transmissions for LS swaps with zero modification required. The 6L80E automatic transmission is robust and capable of handling lots of power. Some of these vehicles in which you will find the 6L80E automatic transmission include: The 8L90E transmission may have phased out this automatic transmission, but it is still in production. It was primarily found in large cars powered by V8 motors. ![]() The 6L80E replaced the 4L60E in several vehicles, especially from the 2006 model year. This 6-speed automatic, longitudinal transmission utilizes more gearing that keeps your vehicle running longer within its power band, significantly boosting the miles per gallon (MPG) of the car between 4 to 7 percent over the previous generation’s 4-speed transmissions.īut, of course, this depends considerably on the configuration of the vehicle the transmission is in. General Motors created this transmission to make the organization meet the demands of CAFÉ regulations on their automobiles. N ow, being more than 25 years since the last non-electronic transmission produced by General Motors, the 6L80E is recognized – otherwise referred to as the 6L80. However, the 6L80E transmission was developed from scratch as an electric over-hydraulic transmission, complete with microprocessor control, and used extensively in trucks. But they kept receiving new electrical elements from time to time as they modernized. Before now, every transmission produced by General Motors was practically based on hydraulic controls. The arrival of 6L80E transmissions – or Hydra-Matic 6L80 transmissions – on the automotive scene in 2006 showcased the considerable design change of the automatic transmissions that General Motors created. ![]()
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