B4000 Regular Cab 4WD V6-4.0L OHV (1997)
8. Remove the detent spring.
9. Remove the reverse servo.
a. Remove the reverse servo piston cover and gasket.
WARNING: The piston assembly can pop out due to spring pressure when removing the cover.
b. Remove the reverse servo piston and spring.
10. Remove the control valve body screws.
CAUTION: Support main control valve body.
NOTE: Use a 10mm socket to remove the sixteen M6 x 40mm, four M6 x45mm, two M6 x 35mm and one M6 x 30mm main control valve body
screws.