1. Remove the oil pan. (See CONTROL VALVE BODY REMOVAL [FN4A-EL].)
2. Remove the control valve body. (See On-Vehicle Removal.)
3. Remove the coupler component.
4. Install a coupler component.
5. Install the control valve body. (See On-Vehicle Installation.)
6. Install the oil pan. (See CONTROL VALVE BODY INSTALLATION [FN4A-EL].)
7. Carry out the mechanical system test. (See MECHANICAL SYSTEM TEST [FN4A-EL].)