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Home >> Lincoln >> 2001 >> LS 3.9 A >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission >> Disassembly & Assembly Of Subassemblies >> Forward Clutch >> Disassembly

Forward Clutch: Disassembly

  1. Remove the pressure plate.
    1. Remove the forward clutch retaining ring.
    2. Remove the pressure plate.
    Fig 1: Identifying Forward Clutch Retaining Ring & Pressure Plate
    G02143728
  2. Remove the forward clutch disc pack.
    • Inspect the forward clutch plates for wear, damage or overheating.
    Fig 2: Identifying Forward Clutch Disc Pack
    G02143729
    3. WARNING: Use caution when releasing tool pressure on the clutch piston springs. Failure to follow these instructions may result in personal injury.
    CAUTION: Do not fully depress the special tool or damage to the spring retainer may occur.
    Fig 3: Identifying Forward Clutch Piston Retaining Ring
    G02143730
  3. Using the special tool, remove the forward clutch piston retaining ring.
  4. Relieve the forward clutch spring tension and remove the tool.
  5. Remove the forward clutch piston spring retainer, springs, and cushion spring.
    1. Remove the forward clutch piston spring retainer.
    2. Remove the forward clutch piston springs.
      • Inspect the forward clutch piston springs for distortion.
    Fig 4: Identifying Forward Clutch Piston Spring Retainer & Forward Clutch Piston Springs
    G02143731
    6. WARNING: Air pressure must not exceed 138 kPa (20 psi). Wear safety glasses when using compressed air. Make sure the cylinder is facing down as shown. Failure to follow these instructions may result in personal injury.
    Fig 5: Identifying Forward Clutch Cylinder, Center Support & Left Port Of Center Support
    G02143732
  6. Remove the forward clutch piston.
    1. Place the forward clutch cylinder with forward clutch piston facing down.
    2. Install the center support on the forward clutch cylinder.
    3. Apply air pressure to the left port of the center support.
  7. Remove the cushion spring.
    Fig 6: Identifying Cushion Spring
    G02143733
  8. Remove and discard the forward clutch piston seals.
    • Inspect the forward clutch piston for cracks.
    Fig 7: Identifying Forward Clutch Piston Seals
    G02143734
  9. Inspect the forward clutch drum assembly.
    1. Inspect the forward clutch cylinder surfaces for scores or burrs.
    2. Inspect forward clutch piston for scores or burrs.
    3. Verify the check ball is free to move in the piston.
    Fig 8: Identifying Forward Clutch Cylinder Surfaces, Forward Clutch Piston & Check Ball
    G02143735
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