Main Control Valve Body

MAIN CONTROL VALVE BODY

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 with a wire or place the valve body open-side down and lightly tap it with a plastic 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.
^ 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. Assemble in the reverse order of disassembly, referring to Assembly procedure.

Main Control Valve Body:

Inspection





Note: Do not compress the spring when measuring it with vernier calipers.

1. Measure the spring free length.
2. If not within specification, replace the spring(s).





Assembly procedure





1. Insert the 3-4 shift spring, 3-4 shift valve, and stop plug. Secure them with the stop pin.
2. Insert the low reducing spring, low reducing valve, and stop plug. Secure them with the stop pin.
3. Insert the 1-2 shift spring, 1-2 shift valve, and stop plug. Secure them with the stop pin.





4. Insert the pressure regulator valve, pressure regulator spring, pressure regulator spring seat, regulator plug sleeve, pressure regulator plug, and stop plug. Secure them with the roll pin.





5. Insert the 3-2 timing valve and 3-2 timing spring. Secure them with the spring retainer.
6. Insert the 2-3 timing valve and 2-3 timing spring. Secure them with the spring retainer.
7. Insert, the manual valve.