Premain Control Valve Body

Part 1:

Part 2:

Disassembly / inspection / Assembly

CAUTION:
- Each valve should slide out/in under its own weight.
- When a valve will not slide out under its own weight, depending on the valve, push It out it with a wire or place the valve body open-side down and lightly tap it with a soft hammer. Never scratch or otherwise damage a valve surface or bore.
- Do not drop or lose the valves or Internal parts.
- Before assembly, make sure all parts are thoroughly clean.
- Apply ATF to all parts and bores.
- Note the proper direction of the valves and internal parts.
- Do not reuse any part that has been dropped.
- Wrap a screwdriver or rod with tape before using it to insert a valve.

1. Disassemble in the order shown in the figure.
2. Inspect all parts and repair or replace as necessary.
3. Assemble in the reverse order of disassembly, referring to Assembly Procedure.

Inspection




1. Measure the spring free length.




2. If not within specification, replace the spring(s).

Assembly procedure




1. Insert the bypass spring, bypass valve, and stop plug, and secure them with the stop pin.
2. Insert the 2-3 shift spring, 2-3 shift valve, and plug, and secure them with the stop pin.




3. Insert the converter relief valve and converter relief spring, and secure them with the spring retainer.
4. Insert the lockup control spring, lockup control valve, and stop plug, and secure them with the stop pin.