a) Drain the gearbox and remove the lower inspection plate. b) Put the lever in position "N" (neutral). c) Under the selector block, check the position of the 2nd machined face "b" of the valve (6) in woe relation to the bearing "a" of the selector bloc : The visible section "d" of the face should be equal on both sides of the bearing. d) If not, loosen the fork-end (5) and fit the valve (6) correctly in place. Re-tighten the fork-end. c) Fit the lower inspection plate. Fill the gearbox/ torque converter assembly with the correct amount of oil.