See All 4 Photos Unlike most eight-speeds that use two speed sensors, the 8L90 uses three speed sensors to know what's going on inside. The new external transmission control module (TCM ...
Vehicles with 8L45 and 8L90 transmissions can shake, shudder, and lurch. The plaintiffs claim that GM instructed dealers to ...
The gearbox, according to Edmunds, is codenamed 8L90, and considering that GM doesn't have another eight-speed gearbox to slot into the Corvette, we're assuming this is an entirely new ...