Lumina APV V6-191 3.1L (1990)
Fluid Pressure Sensor/Switch: Service and Repair
Fig. 12 Pressure Switch
1.
Remove oil pan and gasket.
2.
Remove oil strainer and O-ring seal.
3.
Remove wire harness, Fig. 12.
4.
Disconnect wires from governor pressure switch.
5.
Remove governor pressure switch from auxiliary valve body.
6.
Disconnect wires from third gear clutch pressure switch.
7.
Remove third gear clutch pressure switch from auxiliary valve body.
8.
Reverse procedure to install.