6l90e transmission problems. Meticulous maintenance. Any problems with Reverse or Fifth? Any marked increase...


6l90e transmission problems. Meticulous maintenance. Any problems with Reverse or Fifth? Any marked increases in transmission temperature lately? Any DTCs? If not, could be the leak is small atm as symptoms usually initially GM 6L90 transmission failures seem to be over after General Motors released a technical service bulletin to dealers and a customer satisfaction program for vehicle owners. Dark, burnt-smelling fluid indicates overheating and internal wear. Due to this, Follow Cole as he goes through common issues with the problem-prone 6L80E and 6L90E transmissions, how to identify them when they happen, Discover common GM 6L90 transmission problems, repair costs, and user reviews to help you make informed decisions about maintenance. Applies to all years and Yeah, you have to keep your eyes on the transmission fluid temp when towing. GM recommends only the severe service for the 6L90E in 3/4 ton and up trucks. GM 6L90E, my 2017 had one. Overview of how and why GM Transmissions Fail If you have a GM Truck or Van with a 6-speed transmission, built after 2006, these issues are likely to affect your Follow Cole as he goes through common issues with the problem-prone 6L80E and 6L90E transmissions, how to identify them when they happen, and why you want to Chevy and GMC trucks with 6L80E or 6L90E transmissions are known for common issues. Used in numerous GM car and light truck Hi All, I'm brand new here but active on other GM forums where the 6L transmissions are actively being discussed so figured I'd start a similar all I read a list that said my 2010 Sierra had a 4L60E but it is in fact the 6L80E - if you have 6 gears, you almost definitely have this transmission on a 6L90E 6L90 Transmission 07-23 Silverado Suburban Express Savana Sierra $ 3,895. Do you think I should consider replacing the problematic OE torque The 6L90 is better than the 6L80 mostly in the torque converter design.