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Home › Lincoln › 2003 › Navigator 4WD › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transaxle/Transmission › Disassembly And Assembly Of Subassemblies › Overdrive Ring Gear And Center Shaft Assembly › Disassembly

Overdrive Ring Gear And Center Shaft Assembly: Disassembly

  1. Remove the overdrive one-way clutch (OWC) outer race.
    1. Remove the retaining ring.
    2. Remove the overdrive OWC outer race.
      Fig 1: Removing Overdrive One-Way Clutch Outer Race And Retaining Ring
      G01564251Courtesy of FORD MOTOR CO.
  2. Remove the No. 3 overdrive overrunning clutch plastic thrust washer.
    Fig 2: Removing No. 3 Overdrive Overrunning Clutch Plastic Thrust Washer
    G01564252Courtesy of FORD MOTOR CO.
  3. The No. 4 overdrive planet thrust bearing may stay in the ring gear. Remove the overdrive planet assembly.
    Fig 3: Removing Overdrive Planet Assembly
    G01564253Courtesy of FORD MOTOR CO.
  4. Remove the wave retaining ring.
    Fig 4: Removing Wave Retaining Ring
    G01564254Courtesy of FORD MOTOR CO.
  5. Remove the overdrive center shaft.
    Fig 5: Removing Overdrive Center Shaft
    G01564255Courtesy of FORD MOTOR CO.
    6. CAUTION: Use care not to damage the thrust bearing or damage to transmission may occur.
    NOTE: The individual parts of the planet assemblies are not repairable.
  6. Inspect the No. 4 overdrive planet thrust bearing assembly.
    1. Remove the No. 4 overdrive planet thrust bearing assembly. Wash the thrust bearing thoroughly in cleaning solvent. Blow dry the bearing with compressed air and lubricate with clean transmission fluid. Replace any bearing and race that show any sign of wear.
    2. Inspect the pinion shafts in the planet assembly. Check for looseness and damage.
    3. Inspect the pinion gears for damage and free rotation.
    4. Inspect the planet carrier for damage.
      Fig 6: Removing No. 4 Overdrive Planet Thrust Bearing Assembly
      G01564256Courtesy of FORD MOTOR CO.
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