Ranger 4WD L4-140 2.3L VIN A EFI (1997)
Band Apply Servo: Testing and Inspection
OVERDRIVE AND INTERMEDIATE SERVOS
NOTE: Identify servo covers, pistons, and springs with a tag.
1. Inspect the servo bore for cracks and the servo piston for damage (the rubber sealing surfaces should be pliable). Inspect the piston bore, servo
piston bore and servo piston stem for scores. Check the fluid passages for obstructions. Replace damaged seals.
2. Check the servo springs, servo band strut(s) and apply levers for distortion and wear.
3. Inspect the cover seal and gasket cover sealing surface for damage.
4. Inspect the band lining for excessive wear and for proper bonding to the metal band.
LOW-REVERSE SERVO AND BAND
1. Inspect the bore for scores.
2. Check the fluid passages for obstructions.
3. Inspect the band for distortion. Inspect the band ends for cracks.
4. Inspect the servo for distortion.
5. Inspect the band lining for excessive wear and for proper bonding to the metal band.
6. Replace the cover seal if damaged.
7. Replace the piston seals if damaged.