Cobalt L4-2.2L (2008)
Fluid Pressure Sensor/Switch: Service and Repair
Transmission Fluid Pressure Manual Valve Position Switch Replacement
Removal Procedure
1. Remove the transmission side cover. Refer to Control Valve Body Cover Replacement (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Valve Body/Service and Repair/Control Valve Body Cover Replacement) .
2. Remove the six bolts from the transmission fluid pressure (TFP) switch assembly.
3. Remove the TFP switch assembly from the control valve body assembly. The 4 pressure switch O-rings are reusable and should remain with the
TFP switch assembly.
Installation Procedure
1. Install the TFP switch assembly to the control valve body assembly . The 4 pressure switch O-rings are reusable and should remain with the TFP
switch assembly.
Notice: Refer to Fastener Notice .
2. Install the six bolts to the TFP switch assembly.
Tighten the bolts to 12 N.m (9 lb ft).
3. Install the transmission side cover. Refer to Control Valve Body Cover Replacement (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Valve Body/Service and Repair/Control Valve Body Cover Replacement) .
Important: It is recommended that transmission adaptive pressure (TAP) information be reset.
Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to
