Lower Valve Body

DISASSEMBLY OF LOWER VALVE BODY



1. REMOVE LOWER VALVE BODY PLATE AND GASKETS




2. REMOVE COOLER BY-PASS VALVE AND SPRING
3. REMOVE DAMPING CHECK VALVE AND SPRING




4. REMOVE THREE CHECK BALLS

5. REMOVE PRIMARY REGULATOR VALVE




a. Remove the retainer with a magnetic finger




b. Remove the sleeve and plunger.




c. Remove the spring and valve.

NOTE: Note the number of adjusting rings.




6. REMOVE SECONDARY REGULATOR VALVE
a. Remove the retainer with a magnetic finger.
b. Remove the plug.




c. Remove the valve and spring.




7. REMOVE 1-2 SHIFT VALVE
a. Remove the retainer with a magnetic finger.
b. Remove the plug.




c. Remove the 1-2 shift lower valve, upper valve and spring




8. REMOVE LOW COAST SHIFT VALVE
a. Remove the retainer with a magnetic finger.
b. Remove the plug.




c. Remove the valve.




9. REMOVE LOCK-UP CONTROL VALVE
a. Remove the retainer with a magnetic finger.
b. Remove the plug.




c. Remove the valve and spring.




10. REMOVE DETENT REGULATOR VALVE
a. Remove the retainer with a magnet finger.
b. Remove the plug.




c. Remove the detent regulator valve and spring.




11. REMOVE 2-3 SHIFT VALVE
a. Remove the retainer with a magnetic finger.
b. Remove the plug.




c. Remove the valve and spring.

12. REMOVE INTERMEDIATE SHIFT VALVE




a. Remove the retainer with a magnetic finger.




b. Remove the plug and valve.




13. REMOVE LOCK-UP SIGNAL VALVE
a. Remove the pin with a magnetic finger.
b. Remove the plug.




c. Remove the valve and spring.

14. REMOVE 3-4 COAST SHIFT PLUG




a. Remove the retainer with a magnetic finger




b. Remove the plug and 3-4 coast shift plug.

15. REMOVE 3-4 SHIFT PLUG




a. Remove the retainer with a magnetic finger.




b. Remove the plug and 3-4 shift plug.

INSPECTION OF LOWER VALVE BODY






INSPECT VALVE SPRINGS
Check for damage, squareness, rust and distorted coils. Measure the free height and replace any spring if less than the specified length.


ASSEMBLY OF LOWER VALVE BODY



1. INSTALL PRIMARY REGULATOR VALVE
a. Install the adjusting rings and spring seat.
NOTE: Install the same number of adjusting rings as were removed.
b. Place the valve into the bore horizontally.




c. Stand the valve body up and push the valve into the bore until its tip touches the bottom of the bore.
d. Install the valve spring.




e. Insert the plunger the short end first. Make sure that it is fully inserted. The plunger should be recessed inside the sleeve.




f. Install the sleeve with the plunger.
g. Make sure that the regulator valve fits snugly in the bore.
h. Install the retainer.




2. INSTALL SECONDARY REGULATOR VALVE
a. Install the spring and valve.
b. Install the plug and retainer.




3. INSTALL 1-2 SHIFT VALVE
a. Install the spring and upper valve.
b. Install the lower valve the flat end first.
c. Install the plug and retainer.




4. INSTALL LOW COAST SHIFT VALVE
a. Install the valve small end first.
b. Install the plug and retainer.




5. INSTALL LOCK-UP CONTROL VALVE
a. Install the valve.
b. Coat the retainer with petroleum jelly.
c. Install the plug and retainer.




6. INSTALL DETENT REGULATOR VALVE
a. Install the spring and detent regulator valve, small end first.
b. Install the plug and retainer.




7. INSTALL INTERMEDIATE SHIFT VALVE
a. Install the valve small end first.
b. Coat the retainer with petroleum jelly.
c. Install the plug flat end first and install the retainer.




8. INSTALL 2-3 SHIFT VALVE
a. Install the spring and valve.
b. Install the plug and retainer.




9. INSTALL LOCK-UP SIGNAL VALVE
a. Install the spring and valve.
b. Install the plug and pin.




10. INSTALL 3-4 COAST SHIFT PLUG
a. Install the 3-4 coast shift plug.
b. Install the plug and retainer.




11. INSTALL 3-4 SHIFT PLUG
a. Install the 3-4 shift plug.
b. Install the plug and retainer.







12. CHECK RETAINERS AND LOCATING PIN
Check that the retainers and pin are installed as shown.




13. INSTALL SPRING AND COOLER BY-PASS VALVE
14. INSTALL SPRING AND DAMPING CHECK VALVE




15. INSTALL CHECK BALLS AND STRAINER AS SHOWN
Install the three rubber balls in the position shown in the figure.