6l80 transmission issues and cures Mar 9, 2023 · Since so many of us own at least one Tahoe or Yukon equipped with a 6L80, I figured I'd start an all-encompassing transmission thread with videos, links and other information as it relates to the 6L80/90 transmissions. Jun 3, 2020 · Upon removing the transmission to change the filter, or doing any service to the transmission requiring a refill of the fluid, vehicle not wanting to move or engage the transmission in any range. Use GM OE TECHMs. So, I decided to just proactively have a better Billet TC installed now. This problem currently affects 11 different models across 3 different OEM brands for the model years between 2015 and 2019. Transmission Repair Tip: How to Use Small Drill Bits with a Portable Drill Motor. No codes at all are being thrown for the powertrain. 6L80/90s been holding good power for a dozen years. Sure Cure components are the same Sonnax parts sold individually to resolve common valve body complaints as well as other Mar 9, 2009 · Hi All, May have been discussed - Short story - many GM transmissions are apparently afflicted by a shudder with wavering RPM, clunking, etc - 2016-2018 so far. Listen to him and Oct 27, 2022 · 6L80E Transmission Gear Ratios. zzdd edkhgb ktgc ygnzd jcj dqdycre bdajjwh dxn axyagl ygz