Control Valve Body Replacement

Make

Vauxhall

Model

Astra J

Section

Automatic Transmission - AF40-6 › Repair Instructions › Control Valve Body Replacement

Transmission/TransaxleControl Valve Body Replacement

Control Valve Body Replacement Removal Procedure 1. Remove the control valve body cover. Refer to Control Valve Body Cover Replacement .            2. Disconnect the electrical connectors of the solenoid valves. The illustration shows how to use a screwdriver (1) for disconnecting the different connectors (2).            3. Disconnect 8 electrical connectors (arrows) of the solenoid valves. 4. Disconnect 2 electrical connectors of the speed sensors (3, 4). 5. Detach wiring harness from 2 retaining clamps (1, 2).            6. Remove 2 wiring harness speed sensors from the control valve body.   Detach 2 electrical connectors speed sensor (1) from retainer on the control valve body.            7. Remove the temperature sensor bolt (1).   Remove the retaining plate (2).   Remove the temperature sensor (3).            8. Move the wiring harness of the solenoid valves (1) and the wiring harness of the speed sensors (2) aside and secure the wiring harness with adhesive tape (arrows).            9. Remove the cover bolts (1). 10. Remove the cover (2). 11. Remove and DISCARD the gasket (3).            12. Loose the valve body. 13. Loose the control valve body bolts (arrows) in the sequence shown. 14. Remove and DISCARD the control valve body bolts.            Note:  The ducts are filled with oil. 15. Remove the control valve body carefully.   Unhook the connecting rod (1). Installation Procedure            1. Clean the sealing surface (1). 2. Clean 19 threads of the control valve body and the control valve body cover holes (arrows).            3. Install the control valve body. 4. Hook in the connecting rod (1). 5. Install 6 NEW control valve body bolts, but do not tighten yet.            6. Install a NEW gasket (3). 7. Install the cover (2). 8. Install 2 cover bolts (1), but do not tighten yet. Caution: Refer to Fastener Caution .            9. Tighten the 8 control valve body bolts (arrows) in the sequence shown to 10 N·m (88 lb in) .            10. Install the temperature sensor (3). 11. Coat the temperature sensor O-ring with transmission fluid. 12. Install the retaining plate (2). 13. Install the temperature sensor bolt (1) and tighten to 10 N·m (88 lb in) .            14. Remove the adhesive tape (arrows) and place the wiring harness of the solenoid valves (1) and the wiring harness of the speed sensors (2) into the correct position.            15. Install 2 wiring harness speed sensors to the control valve body.   Attach 2 electrical connectors speed sensor (1) to the retainer on the control valve body.            16. Attach wiring harness to 2 retaining clamps (1, 2). 17. Connect 2 electrical connectors of the speed sensors (3, 4). 18. Connect 8 electrical connectors (arrows) of the solenoid valves. 19. Install control valve body cover. Refer to Control Valve Body Cover Replacement . 20. After repairs, refer to Control Module References for programming and set up information. 21. Carry out adaptation and resetting, using the scan tool. Refer to Transmission Adaptive Functions .

19 Transmission