Web15 apr. 2024 · Gear Ratios of the 4L80E. 1st: 2nd: 3rd: 4th: R: 2.48:1: 1.48:1: 1:00:1: 0.75:1: 2.07:1: The gear ratios are quite closely spaced in the 4L80E to ensure the rpm drop between shifts isn’t too high. ... Therefore, the early models of the 4L80E will have to be fitted with the internal wiring harness and the case plug from a late model. The 4L80-E (and similar 4L85-E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series included 4 forward gears. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October … Meer weergeven The 4L80-E (RPO MT1) is rated to handle engines with up to 440 ft·lbf (597 N·m) of torque. The 4L80-E is rated to a maximum GVWR of 18,000 lb, depending on the axle and vehicle. The 4L80-E … Meer weergeven The 4L85-E (RPO MN8) is rated to handle vehicles with up to 690 ft·lbf (935 N·m) of torque. The 4L85E is rated to handle vehicles with a GVWR of up to 18,000 lbs (dependent … Meer weergeven • List of GM transmissions Meer weergeven
GM 4L80E Series Transmission Basics - The Smart Tranny
Web14 mrt. 2024 · 2. Rough Idling. Rough idling is another common symptom of a bad torque converter. If you feel that your idle is a bit jumpy and sometimes too low and sometimes too high, it could be a torque … Web15 apr. 2024 · Therefore, when the 4L80E goes into limp mode and both the solenoids are disengaged, only 2nd gear will be available due to the design of the valve body. … how to sync edits in lightroom
6 Symptoms Of A Bad Torque Converter and …
Web7 jan. 2015 · The 4L80E has a max torque rating of 440 lb.-ft. of torque, giving it a max load capacity of 18,000 pounds. The gearing to move such a heavy load is a 2.48 first gear, 1.48 second, 1.00 third, and 0.75 overdrive. These transmissions can be found behind 4.3 to 8.1-liter gas engines and 6.5 to 6.6-liter diesel engines. Web12 jan. 2016 · Should either or both of these speed sensors fail, you may notice one or more of the following 3 issues: 1. Harsh or Improper Shifting. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. This may cause the transmission to shift roughly or more quickly ... Web18 jan. 2014 · Joined Jun 1, 2008. 16,484 Posts. #2 · May 21, 2013. It'll be the 4L80E. Mine has over 300,000 Kilometers on it and is still going strong. The 4L80E is commonly known as a fairly bulletproof tranny, so as long as it's not abused they'll commonly outlive most vehicles they're in. Having grown up around a family transmission business, most ... readline is deprecated