pressure switch Archives - Tomorrows Technician
VIDEO: Pressure Switch Problems

Sometimes the valve could be stuck open and not allow the engine to build oil pressure. This video is sponsored by FRAM.

4L60E-Pressure Switch Manifold Quick Tip

From 1993 to 2008 the GM 4l60E transmission used a pressure switch manifold to tell the computer what gear was selected. In this Tip Clip instructor Wayne Colonna gives a detailed technical overview of this component with some helpful info on diagnosing associated problems.