I have a 93 chevy 3500, 7.4L. 4L80E trans. The problem is @ about 2500 R.P.M. Or between 60 & 65 M.P.H. The torque converter disenguages, In @ out. From 98% to 0%.
Have changed numerous sensors. Ask everybody I can. Nobody knows. I`m a truck & equipment mechanic and it`s aggrivating not to figure this out. With help from trans. Buddy.I found the signal ground from the computer to the converter clutch solinoid and @speed when the problem occurs by adding a ground to this circuit, it stops & does fine.
Have just about pulled my hair out. Sure accept any
suggestions. This is my service truck, and i`m still running it. But would rather fix it.
have the same problem?
Sunday, November 18th, 2007 AT 9:32 PM