Control Valve Lower Body Assemble. Cadillac Concours 1997

For 1990-2009 cars

1. Inspect the lower control valve body (903) for scratches or debris in the valve bores.
2. Inspect the mating surfaces for damage.
3. Inspect the servo bore for damage.
4. Inspect all fluid passages for debris.
5. Attach the manual valve link and clip (915) to the manual valve (916). Install the manual valve and link into the lower control valve body.
6. Install the following parts:

• | The forward orifice bypass valve (924)

• | The forward orifice bypass valve spring (925)

• | The coiled spring flag pin (926)

7. Install the following parts:

• | The 2-3 shift valve spring (906)

• | The 2-3 C shift valve (907)

• | The 2-3 D shift valve (908)

• | The 2-3 shift solenoid valve (909)

• | The 2-3 shift solenoid valve retainer clip (308)

8. Install the solenoid screen assembly (917).
9. Install the following parts:

• | The 1-2 shift valve spring (918)

• | The 1-2 A shift valve (919)

• | The 1-2 B shift valve (920)

• | The 1-2 shift solenoid valve (909)

• | The 1-2 shift solenoid valve retainer clip (308)

10. Install the following parts:

• | The 3-4 shift valve spring (911)

• | The 3-4 shift valve (912)

• | The bore plug (914)

• | The bore plug retainer clip (308)

11. Install the following parts:

• | The reverse orifice bypass valve (921)

• | The reverse orifice bypass valve spring (922)

• | The coiled spring flag pin (923)

12. Install the following parts:

• | The ball (979)

• | The ball check capsule (905)

• | The spring retainer (904)

13. Install the washer (933) and the sleeve (980) onto the servo pin (931).
14. Install the servo cushion spring (934) in the servo piston (928).
15. Then install the pin (931) into the piston and install the retaining ring (902) onto the servo pin.
16. Place the return spring (901) into the servo bore.
17. Place new seals (929, 930) on the servo piston (929), and install the piston and pin assembly into the servo bore. Attach the retaining ring (932) to the pin.
18. Install the checkballs (5, 7, 8, 9) into the lower control valve body (903). Retain the checkballs in position with Transjel™.