Band Apply Servo: Adjustments

ADJUSTMENT OF KICKDOWN SERVO

1. Remove dust, dirt, and other contaminants completely from kickdown (K/D) servo cover and surrounding areas
2. Snap off the snap ring and remove K/D servo switch.





3. Fit claw of special tool into cutout in piston to prevent piston from turning and use adapter to fix the piston into position.

CAUTION:
1) Do not push piston with the special tool.
2) Secure adapter only hand-tight to OR brake pressure take-up port and do not apply excessive torque.





4. Loosen lock nut to immediately before V-groove in adjust rod (see illustration on left) and tighten special tool (0945433101B) until it contacts lock nut.





5. Fit special tool (09454-33101A) over the lock nut. Turn K/D servo socket wrench A counterclockwise and turn inner cylinder clockwise to lock the lock nut and special tool K/D servo socket wrench B (09454-33101 B).





6. Fit torque wrench to special tool (09454-33101 B) and repeat tightening and lessening cycle two times with a torque of 10 Nm (7.2 ft. lbs. Then, torque to 5 Nm (3.6 ft. lbs.). Next, back off special tool (09454-33101B) 2 to 2 1/4 turns.





7. Fit special tool (09454-33101A) to lock nut. Turn K/D servo socket wrench A clockwise and inner Wrench counterclockwise to unlock the lock nut from special tool (09454-33101 B).

CAUTION: Be sure to apply even torque to the two special tools when unlocking.





8. Tighten lock nut by hand until it contacts piston, then, using torque wrench, tighten to specifications.

Lock nut: 29 Nm (21 ft. lbs.)

CAUTION:
Use of socket wrench or torque wrench could result in lock nut being turned with adjust rod.

9. Remove the special tool to secure the piston and torque plug to specification at OR brake pressure take-up port