Removal Procedure

Remove the transmission control valve body cover. Refer to Control Valve Body Cover Replacement (1.4L LUV) and Control Valve Body Cover Replacement (1.8L LUW and LWE) .
Disconnect the output speed sensor electrical connector (2).

Fig 1: Identifying Speed Sensor & Shift Position Switch Electrical Connectors
Courtesy of GENERAL MOTORS COMPANY
Disconnect the shift position switch electrical connector (3).
Disconnect the input speed sensor electrical connector (1).
Remove the 3 control valve body bolts (1) M5 x 40.5.

Fig 2: Locating Control Valve Body & Bolts
Courtesy of GENERAL MOTORS COMPANY
Remove the 12 control valve body bolts (2) M6 x 97.
Remove the control solenoid valve assembly (3) with transmission control module.
Remove the control solenoid valve assembly filter plate (4). Discard the filter plate. It is not reusable.
CAUTION: Use care when removing or installing the filter plate assembly. A broken or missing retaining tab may not adequately secure the filter plate to the control solenoid valve assembly, resulting in possible damage or contamination.
Inspect the pressure switch seals for damage or contamination. Replace the control solenoid valve assembly as necessary.
Inspect the channel plate bolt pass through holes for damage or burnelling. Any damage could cause leaking. Replace as necessary.