Removal Procedure
WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the engine coolant fan module radiator assembly. Engine Coolant Fan Module Radiator Assembly Removal and Installation (LSY) , or Engine Coolant Fan Module Radiator Assembly Removal and Installation (LGX with V08) , or Engine Coolant Fan Module Radiator Assembly Removal and Installation (LGX without V08)
Remove the control valve body cover (1) from the transmission. Control Valve Body Cover Replacement (LGX) , or Control Valve Body Cover Replacement (LSY)
Remove the control valve body (1) from the transmission. Control Valve Body Assembly Removal (Without ETRS) , or Control Valve Body Assembly Removal (With ETRS)
Remove the control valve solenoid body bolt (1) from the control valve body assembly.
- Remove the mode valve position switch (2) from the control valve body assembly.
- Remove the mode valve position switch magnet (3) from the control valve body assembly.
- Clean and inspect the mode valve position switch magnet (3). Control Valve Body Cleaning and Inspection (Without ETRS) , or Control Valve Body Cleaning and Inspection (With ETRS)
NOTE:
The mode valve position switch magnet is not replaceable. If the magnet must be replaced, the control valve body assembly will need to be replaced.