Toyota 4-Runner 1985 Repair Manual page 473

AUTOMATIC TRANSMISSION - Component Groups (Valve Body) AT-71
3. TURN ASSEMBLY OVER, REMOVE SET BOLT AND
REMOVE LOWER BODY COVER, PLATE AND
GASKETS
4. REMOVE CHECK BALLS
Remove the check balls being careful not to scratch
grooves.
Keep the balls together to prevent losing them.
5. REMOVE SPRING RETAINER FROM PRESSURE RELIEF
ASSEMBLY
CAUTION: Cover the spring by hand. Then, with needle-
nose pliers, slowly pull out the spring seat, being careful
not to bend the spring.
6. REMOVE PRESSURE RELIEF SPRING AND BALL
7. REMOVE SPRING RETAINER FROM PRIMARY
REGULATOR VALVE
WARNING: Highly compressed spring inside - keep
away from face.
To remove the retainer, hold the valve body face down,
and press in on the valve sleeve. The retainer will drop out.
Slowly relieve spring compression.
8. REMOVE SLEEVE, PLUNGER, SPRING AND PRIMARY
REGULATOR VALVE