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aged, or if the roller cage is distorted, or damaged. Replace the low-reverse drum if the clutch race, roller surface or inside diameter is scored, worn or Examine the overdrive piston retainer carefully for wear, cracks, scoring or other damage. Be sure the ACCUMULATOR Inspect the accumulator piston and seal rings (Fig. 308). Replace the seal rings if worn or cut. Replace Check condition of the accumulator inner and outer springs (Fig. 308). Replace the springs if the FRONT SERVO Clean the servo piston components with solvent and dry them with compressed air. Wipe the band Replace the front band if distorted, lining is burned, flaking off, or worn to the point where the Inspect the servo components. Replace the springs if collapsed, distorted or broken. Replace the guide, Check the servo piston bore for wear. If the bore is severely scored, or damaged, it will be necessary to Replace any servo component if doubt exists about condition. Do not reuse suspect parts. REAR SERVO Remove and discard the servo piston seal ring (Fig. 309). Then clean the servo components with solvent OIL PUMP AND REACTION SHAFT SUPPORT Clean pump and support components with solvent and dry them with compressed air. Check condition of the seal rings and thrust washer on the reaction shaft support. The seal rings Inspect the pump and support components. Replace the pump or support if the seal ring grooves or Check the pump vent. The vent must be secure. Replace the pump body if the vent is cracked, broken, Inspect the pump bushing. Then check the reaction shaft support bushing. Replace either bushing only if (1) Install the gears in the pump body and mea- sure pump component clearances as follows: (a) Clearance between outer gear and reaction shaft housing should be 0.010 to 0.063 mm (0.0004 Fig. 308 Accumulator Components 1 – INNER SPRING Fig. 309 Rear Servo Components 1 – SNAP RING 21 - 306 46RE AUTOMATIC TRANSMISSION DN CLEANING AND INSPECTION (Continued) |