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Home >> Cadillac >> 2009 >> DTS V8-4.6L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Service and Repair >> Overhaul >> Control Valve Upper Body Disassemble
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Control Valve Upper Body Disassemble




Control Valve Upper Body Disassemble




1. Remove the 2-3 piston cushion spring (351). Inspect the spring for damage.
2. Remove the 2-3 accumulator piston (345) and seal (346). Inspect the seal for roll over or any other type of damage. Inspect the piston for nicks or scratches.
3. Remove the snap ring (349), remove the 2-3 accumulator pin (348), and the 2-3 accumulator piston spring. Inspect the snap ring and the piston pin for damage.




4. Remove the pressure control solenoid clamp bolt (15), the pressure control solenoid clamp (340), and the pressure control solenoid valve (339). Inspect the pressure control solenoid seals for damage.
5. Remove the pressure control solenoid filter and seal (338). Inspect the filter seal for damage.




6. Remove the spring retainer clip (337), then remove the torque converter clutch solenoid valve (336). Inspect the seals on the torque converter clutch solenoid valve for damage.
7. Remove the coiled spring pin (304), the converter clutch control valve (317), and the converter clutch control valve spring (316). Inspect the valve and bore for nicks, scratches, or wear.




8. Remove the retainer clip (308), the bore plug (307), the converter clutch regulator valve spring (319), and the converter regulator valve (318). Inspect the converter regulator valve and bore for nicks, scratches, or wear.




9. Remove the retainer clip (308), the bore plug (307), the torque converter clutch enable spring (323) and the torque converter clutch enable valve (322). Inspect the torque converter clutch enable valve and bore for nicks, scratches, or wear.




10. Remove the retainer clip (308), the bore plug (307), the converter feed limit spring (313), and the converter feed limit valve (312). Inspect the converter feed limit valve and bore for nicks, scratches, or wear.




11. Remove the spring retainer plate (311), the actuator feed limit spring (310), and the actuator feed limit valve (309). Inspect the feed limit valve and bore for nicks, scratches, or wear.




12. Remove the retainer clip (308), the bore plug (307), and the 2-3 accumulator valve (306). Inspect the 2-3 accumulator valve and bore for nicks, scratches, or wear.




13. Remove the coiled spring pin (304), the 1-2, 3-4 accumulator bushing (303), and the accumulator valves (301, 302). Inspect the valves for nicks, scratches, or wear.




14. Remove the automatic transmission fluid temperature sensor (350).

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