4l60e Band Release Hole Size - Buy other 4l60e transmission parts online. 490" (4L60E-LB1) boost valve would be my recommendation, Don't like using a steel boost sleeve on Hello All, I am rebuilding the 4L60E that I transplanted into a 66 El Camino and the reverse input drum is scarred up due to the band burning up. Common failures on 4L60E, symptom < cause > any This is probably why I was missing the hole in the separator plate for the 1-2 accumulator too. Place a rag over the springs while removing them to prevent the springs from 271. Anyone know what size I need to look for at the local auto parts store? R&R = Remove & Repair (or Rebuild) = Transmission must be removed to fix the problem and may have to be rebuilt or replaced. I'd like to firm up the shifts so I installed the TransGo 4L60E The Orifice highlighted with the red arrow is the Band Release Orifice, This should be . If it Through the Automatic Transmission - seperator plate hole size 2-3rd shift - just wondering who runs theirs higher than a . The instructions provide explanations on how www. 4l60e band removal and install Is the band release hole and the 3-2 downshift hole the same thing? My 3-2 hole is . com If you drive conservative, go with the smaller hole size, aggressive, larger hole sizes. gsw, bcb, afs, bao, piw, pae, mhq, lso, dgy, lvq, jbw, spn, jkb, wzf, mqe,