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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 >> Assembly

Coast Clutch Assembly: Assembly

  1. If the sun gear was removed, install the sun gear.
    Fig 1: Installing Sun Gear
    G01539149Courtesy of FORD MOTOR CO.
  2. Inspect the coast clutch piston and seal assembly for damage and the check ball for free movement.

    If the coast clutch piston and seal assembly is damaged it will need to be replaced.

    Fig 2: Inspecting Coast Clutch Piston And Seal Assembly
    G01539150Courtesy of FORD MOTOR CO.
    NOTE: Prior to installing the coast clutch piston lubricate the piston seal with petroleum jelly.

    Using the special tool, install the coast clutch piston.

    Fig 3: Installing Coast Clutch Piston Using Special Tool
    G01539151Courtesy of FORD MOTOR CO.
  3. Using the special tool, install the coast clutch retaining ring.
    1. Install the return spring.
    2. Install the retaining ring.
    Fig 4: Installing Coast Clutch Retaining Ring Using Special Tool
    G01539152Courtesy of FORD MOTOR CO.
  4. Make sure that the one-way clutch is locked in place. Turn counterclockwise to lock in place.

    Install the overdrive one way clutch.

    Fig 5: Installing Overdrive One Way Clutch
    G01539153Courtesy of FORD MOTOR CO.
  5. Install the coast clutch pressure plate and the clutch plates.
    Fig 6: Installing Coast Clutch Pressure Plate And Clutch Plates
    G01539154Courtesy of FORD MOTOR CO.
  6. Install the retaining ring.
    Fig 7: Installing Retaining Ring
    G01539155Courtesy of FORD MOTOR CO.
  7. Check the stack-up clearance.
    1. Using a feeler gauge, measure the stack up clearance in three places, 120 degrees apart, between the snap ring and the coast clutch pressure plate.
      • If the clearance is not within specification, install the correct coast clutch pressure plate retainer snap ring and recheck the clearance.
      Fig 8: Installing Coast Clutch Pressure Plate Retainer Snap Ring
      G01539156Courtesy of FORD MOTOR CO.