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Planetary Gearsets And Chain Drive Parts: Disassembly

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the low/intermediate sun gear assembly for damage.
    • Gear teeth
    • Thrust bearing surfaces
    • Journal surface
      Fig 1: Locating Low/Intermediate Sun Gear Assembly
      G04620387Courtesy of FORD MOTOR CO.
  2. Inspect the low/intermediate carrier assembly.
    • Pinion gear teeth
    • Spline teeth
    • Pinion gear surfaces
    • Bushing surfaces
    • Pinion gear bearings
      Fig 2: Installing Low/Intermediate Carrier Assembly
      G04620388Courtesy of FORD MOTOR CO.
  3. Inspect the low/intermediate carrier assembly end play.
    • Use a feeler gauge to measure end play.
      • If end play is out of specification, install a new assembly.
        Fig 3: Measuring Low/Intermediate Carrier Assembly End Play
        G04620389Courtesy of FORD MOTOR CO.
  4. Inspect the low/intermediate ring gear.
    • Gear teeth
    • Spline teeth
    • Thrust bearing surfaces
    • Journal surface
    • Lug teeth
      Fig 4: Installing Low/Intermediate Ring Gear
      G04620390Courtesy of FORD MOTOR CO.
  5. Inspect the reverse/overdrive sun gear and shell assembly for damage or wear.
    • Gear teeth
    • Lug teeth
    • Thrust bearing surfaces
    • Bushing surface
      Fig 5: Identifying Reverse/Overdrive Sun Gear & Shell Assembly
      G04620391Courtesy of FORD MOTOR CO.
  6. Inspect the reverse/overdrive carrier assembly.
    • Pinion gear teeth
    • Clutch plate spline teeth
    • Pinion gear bearings
    • Thrust bearing surfaces
    • Bushing surfaces
    • No. 8 thrust bearing captured between the pinions and carrier
      Fig 6: Identifying Reverse/Overdrive Ring Gear Carrier Assembly
      G04620392Courtesy of FORD MOTOR CO.
  7. Inspect the reverse/overdrive carrier assembly end play.
    • Use feeler gauge to measure end play.
      • If end play is out of specification, install a new assembly.
        Fig 7: Measuring End Play Using Feeler Gauge
        G04620393Courtesy of FORD MOTOR CO.
  8. Inspect the reverse/overdrive ring gear.
    • Gear teeth
    • Spline teeth
    • Drive sprocket teeth
    • Thrust bearing surfaces
    • Journal surface
    • Bearings
      Fig 8: Identifying Reverse/Overdrive Ring Gear
      G04620394Courtesy of FORD MOTOR CO.
  9. Inspect the driven sprocket assembly.
    • Gear teeth
    • Parking gear lug teeth
    • Driven sprocket teeth
    • Thrust bearing surfaces
    • Bearing surfaces
    • Rivets
    • Bushing surfaces
    • Lubrication holes
      Fig 9: Identifying Driven Sprocket Assembly
      G04620395Courtesy of FORD MOTOR CO.
  10. Inspect the drive chain.
    • Check the drive chain for wear, stretching or tightness of the chain links.
    • The chain must move freely.
      Fig 10: Checking Drive Chain For Wear, Stretching Or Tightness Of Chain Links
      G04620396Courtesy of FORD MOTOR CO.
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