Lower Valve Body

LOWER VALVE BODY





1. Remove the key, the retainer, the secondary regulator valve and the valve spring.

Notice: Discard the gasket.





2. Remove the cover plate and gasket.





3. Remove the valve spring and the accumulator control valve.





4. Remove the valve spring and the B2 accumulator valve.

Notice: Remove the seal rings from the piston and discard them.





5. Remove the B2 accumulator piston and the springs.





6. Remove the valve spring and the C2 accumulator valve.

Notice: Remove discard the seal rings from the piston.





7. Remove the C2 accumulator piston and the springs.





8. Remove the key, the lockup control plunger sleeve, lockup control plunger, the valve spring and the lockup control valve.

Notice: Discard the gasket.





9. Remove the cover plate and gasket.





10. Remove the valve spring and the coast modulator valve.





11. Remove the valve spring and the B1 modulator valve.





12. Remove the valve spring and the C3 modulator valve.

Notice: Remove the seal rings from the piston and discard them.





13. Remove the C3 accumulator piston and spring.





14. Inspect the valve springs.
- Using vernier calipers, measure the free length and outer diameter of the spring. If it does not meet specifications, replace it.

Assembly Procedure

Notice: Inspect the piston for damage or wear. Replace if necessary. The piston should fit snugly in the bore. Coat the piston, spring and seal rings with Texaco 1854 automatic transmission fluid prior to assembly.





1. Install new seal rings on the piston. Then install the spring and C3 accumulator piston.

Notice: Inspect the valve for damage or wear. Replace if necessary. The valve should fit snugly in the bore. Coat the valve and spring with Texaco 1854 automatic transmission fluid prior to assembly.





2. Install the C3 modulator valve and the valve spring.

Notice: Inspect the valve for damage or wear. Replace if necessary. The valve should fit snugly in the bore. Coat the valve and spring with Texaco 1854 automatic transmission fluid prior to assembly.





3. Install the B1 modulator valve and the valve spring.

Notice: Inspect the valve for damage or wear. Replace if necessary. The valve should fit snugly in the bore. Coat the valve and spring with Texaco 1854 automatic transmission fluid prior to assembly.





4. Install the coast modulator valve and the valve spring.

Notice: Tighten the six bolts evenly and gradually.





5. Install a new gasket and the cover plate.
Tighten
Tighten the bolts to 6 - 7 Nm (53 - 62 inch lbs.).

Notice: Inspect the valve for damage or wear. Replace if necessary. The valve should fit snugly in the bore. Coat the valve, spring, plunger and sleeve with Texaco 1854 automatic transmission fluid prior to assembly.





6. Install the lockup control valve and the valve spring. Insert the lockup control plunger in the lockup control plunger sleeve and install into the valve body. Push in the key.

Notice: Inspect the valve for damage or wear. Replace if necessary. The piston should fit snugly in the bore. Coat the piston, springs and seal rings with Texaco 1854 automatic transmission fluid prior to assembly.





7. Install new seal rings on the piston. Then install the springs and C2 accumulator piston.

Notice: Inspect the valve for damage or wear. Replace if necessary. The valve should fit snugly in the bore. Coat the valve and spring with Texaco 1854 automatic transmission fluid prior to assembly.





8. Install the C2 accumulator valve and the valve spring.

Notice: Inspect the valve for damage or wear. Replace if necessary. The piston should fit snugly in the bore. Coat the piston, springs and seal rings with Texaco 1854 automatic transmission fluid prior to assembly.





9. Install new seal rings on the piston. Then install the springs and B2 accumulator piston.

Notice: Inspect the valve for damage or wear. Replace if necessary. The valve should fit snugly in the bore. Coat the valve and spring with Texaco 1854 automatic transmission fluid prior to assembly.





10. Install the B2 accumulator valve and the valve spring.

Notice: Inspect the valve for damage or wear. Replace if necessary. The valve should fit snugly in the bore. Coat the valve and spring with Texaco 1854 automatic transmission fluid prior to assembly.





11. Install the accumulator control valve and the valve spring.

Notice: Tighten the bolts evenly and gradually.





12. Install a new gasket and the cover plate.
Tighten
Tighten the bolts to 6 - 7 Nm (53 - 62 inch lbs.).

Notice: Inspect the valve for damage or wear. Replace if necessary. The valve should fit snugly in the bore. Coat the valve, spring and retainer with Texaco 1854 automatic transmission prior to assembly.





13. Install the valve spring, the secondary regulator valve and the retainer. Push in the key.