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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 4R100 >> Disassembly And Assembly Of Subassemblies >> Coast Clutch Assembly >> Disassembly

Coast Clutch Assembly: Disassembly

  1. Remove the retaining ring.
    Fig 1: Removing Retaining Ring
    G01539141Courtesy of FORD MOTOR CO.
  2. Remove the coast clutch pressure plate and the clutch plates.
    Fig 2: Removing Coast Clutch Pressure Plate And Clutch Plates
    G01539142Courtesy of FORD MOTOR CO.
  3. Inspect the overdrive one-way clutch for damage to the plastic cage, springs, and rollers. Replace as necessary. Remove the overdrive one-way clutch.
    Fig 3: Removing Overdrive One-Way Clutch
    G01539143Courtesy of FORD MOTOR CO.
  4. Using the special tool, remove the coast clutch return spring.
    1. Remove the retaining ring.
    2. Remove the return spring.
    Fig 4: Removing Coast Clutch Return Spring Using Special Tool
    G01539144Courtesy of FORD MOTOR CO.
  5. Remove the coast clutch piston and seal assembly.
    Fig 5: Removing Coast Clutch Piston And Seal Assembly
    G01539145Courtesy of FORD MOTOR CO.
  6. NOTE: If the teeth and/or bushing are damaged, the sun gear will need to be replaced.
    Fig 6: Removing Sun Gear Using Arbor Press
    G01539146Courtesy of FORD MOTOR CO.
  7. If required, use an arbor press to remove the sun gear.
  8. NOTE: If the coast clutch cylinder shows any signs of damage it will need to be replaced.
    Fig 7: Inspecting Coast Clutch Assembly
    G01539147Courtesy of FORD MOTOR CO.
  9. Inspect the coast clutch assembly.
    1. Inspect the bushing.
    2. Inspect the No. 1 thrust washer.
    3. Inspect the lube hole.
  10. Inspect the one-way clutch (OWC) inner race.
    1. Inspect the coast clutch hub overdrive OWC inner race.
    2. Inspect all the sealing surfaces.
    3. Inspect the sun gear splines.
    Fig 8: Inspecting One-Way Clutch Inner Race
    G01539148Courtesy of FORD MOTOR CO.