KICKDOWN Servo
- Remove all dirt and grease around kickdown servo switch. Remove snap ring and kickdown servo switch.
- To prevent servo piston from turning, install Adapter (MD998915) and Kickdown Servo Wrench (MD998914) so tab of wrench engages with notch of piston. See Fig 1
.CAUTION: DO NOT push servo piston inward while installing adapter and servo wrench. Install adapter in brake pressure port by hand ONLY. DO NOT use wrench to tighten adapter.
- Loosen lock nut to "V" channel of adjuster rod. See Fig 1 . Tighten inner section of Kickdown Service Adjustment Assembly (MD998916) until it contacts lock nut.
- Install outer section of kickdown service adjustment assembly on lock nut. Rotate outer section to left and inner section to right to contact lock nut with inner section.
- Using an INCH-lb. torque wrench on inner section, tighten inner section to 86 INCH lbs. (9.8 N.m), and then loosen inner section. Tighten inner section to 43 INCH lbs. (4.9 N.m).CAUTION: Before tightening lock nut with torque wrench, tighten it by hand until it contacts piston. If torque wrench is used initially, lock nut and adjustment rod may rotate together.
- Back off outer section 2-2 3/4 turns. Rotate outer section to right and inner section to left until inner section is free of lock nut. Tighten lock nut by hand until it contacts piston. Using torque wrench, tighten lock nut to 18-23 ft. lbs. (25-32 N.m).
- Remove adapter and kickdown servo wrench. Install new "O" ring in groove around switch. Install switch and snap ring.