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NOTE: Do not use shop towels or rags to dry the Inspect the case for cracks, porous spots, worn bores, or damaged threads. Damaged threads can be Lubricate the front band adjusting screw threads with petroleum jelly and thread the screw part-way OVERRUNNING CLUTCH/LOW-REVERSE Clean the overrunning clutch assembly, clutch cam, low-reverse drum, and overdrive piston retainer in Inspect condition of each clutch part after cleaning. Replace the overrunning clutch roller and spring 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. 266). Replace the seal rings if worn or cut. Replace Check condition of the accumulator inner and outer springs (Fig. 266). 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, rod and piston if cracked, bent, or worn. Discard the 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. 267). Then clean the servo components with solvent Fig. 266 Accumulator Components 1 – INNER SPRING Fig. 267 Rear Servo Components 1 – SNAP RING 21 - 114 TRANSMISSION AND TRANSFER CASE WJ CLEANING AND INSPECTION (Continued) 2000 JEEP GRAND CHEROKEE |