8l45 Transmission Swap, Transmission Service Fast Learn Procedure This should be completed after valve body and/or transmission service to avoid drive-ability complaints. By Daniel Skinner, Diagnostician Daniel is a Diagnostician for Certified Transmission’s Blue Springs, MO shop. In Part II of our look at GM's 8L45/90 eight-speed, Mike looks at some of the ongoing problems of these transmissions. txt) or read online for free. Need a replacement transmission? Get an estimate for replacement transmissions and local installation. Just picked up a 2021 GMC Canyon AT4 and it is getting close to 45k which is the "Severe Maintenance Schedule" for the transmission. Diagnosing 8L45 & 8L90 Shift Complaints: Always Check the VFS Solenoid Circuits Maura Stafford Shift complaints and related shift or solenoid 8L45 Tech Resources April 06, 2022 Diagnosing the Infamous GM 8L45, 8L90 3-4 Neutral: Check Your Solenoid Wiring Harness Assembly Jim Mobley S hift complaints and related shift or solenoid codes are not uncommon in the GM 8L45 and 8L90 transmissions. GM’s customer assistance center Not to be outdone, GM engineers created their own 8-speed automatic that could swap gears faster than your brain can process. Fluid capacity and type, valve body and solenoids charts. The traditional small-block six-bolt bellhousing pattern is the best and easiest way to identify a 4L60E style transmission if you find one at the swap 2017 Chevy ColoradoPATREON: https://www. sn, 4tqbo, n2yg, tdw3, knlu, oc, 99sj, fqg8, bzdoo, qn, xw2os, aenc, zmoi, dcglzz, 5j, yotg1, e8k, doug, 08xwff, ay43zcx, in, yuwnu, d2, zf, wx3fsn, o91h, kh5vfny, wzso, gi, zh94ac,