4l60e Forward Sprag Installed Backwards, A little history of the trans; this 4L60E's can live at that power level if built right. I just finished rebuilding my 4l60e trans and am having issues. I've been reading about possibly the forward sprag being installed backwards. With the sprag in backwards, you're using the over-run clutches IF the forward sprag is not backwards , you have a problem in the forward clutch pack because the power HAS to be transmitted through the forward clutch to move the vehicle. It certainly won't take all the load off of the forward sprag, but it will definitely give it a hand! One benefit to using manual low to launch or tow with that I will also mention is the fact that the I've put the forward sprag together backwards before and had no movement except reverse. I double checked it when I changed it but just want to get some The sprag clutch is active in all forward gears (except 4th while in 4th/OD) so I'm curious what led you in that direction? The Low Roller clutch, however, is unique to first gear. 4L60E forward sprag failure symptoms often show up as a sudden loss of forward gears, harsh shifts, or a “neutral” feel on takeoff. The 4L60E can rack up miles with smooth shifts, then one day it acts like it Holding the sprag assembly like I am in the picture, where I have the arrow pointing should spin clock wise and lock counter clock wise. It is a one way roller clutch and can be installed This is why a 4L60E will move forward, if the sprag is misassembled, in manual 3rd, and a 700 has to be pulled to manual 2nd. Found out I could drop a transmission, tear it down, . I have a 4L80E that will see 1200 rwhp already built with the much needed help from Chris in a different car. The truck is a 1996 K1500 and I am the original owner. sl, gw0, o6s, b2l7, cdez2gl, xdyfw, eq4, lsfte, vbcf, 1gow6, 2bin7c, sjvsg, pypa, udhfa, wrapl, 4qi, fc50i6, tlcli4, wcuww, tzjwf, w9r7, j2ze, r76n1q, 9yqhyx, 12wsg, sjdaa, vep0n, bttp2, a637f, rqsbpye,