700r4 Torque Converter
Posted on 04 April, 2013
googletag.cmd.push(function()googletag.display('div-article-top');); 1-What controls the shifts in a 4L60E 4L80E and can I replace the PCM with a vacuum modulator. The answer is the PCM is in complete control of every aspect of when and how the 4L60E shifts, Line Pressure and Lockup. If the command is given barring any mechanical failure clutches, Band ETC the transmission must make the shift or slip and burn itself up.















