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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 >> Assembly

Forward Clutch: Assembly

  1. Inspect the clutch components for damage or wear. Install new components as necessary.
    • Check the fluid passages for obstructions. All fluid passages must be clean and free of obstructions.
    • Inspect the clutch plates for damage.
    • Inspect the clutch springs.
    • Inspect the needle bearing and seal rings for damage.
    • Check clutch hub thrust surfaces for damage.
    • Check clutch plates for flatness and fit on the clutch hub serrations.
  2. Install new forward clutch piston seals.
    Fig 1: Identifying Forward Clutch Piston Seals
    G02143736
    3. CAUTION: Care must be taken to prevent damage to the seals.
    NOTE: Lubricate the forward clutch piston inner and outer seal with clean automatic transmission fluid.
    Fig 2: Identifying Piston Seal Protectors
    G02143737
  3. Using the special tool, install the forward clutch piston into the forward clutch cylinder.
  4. Install the forward clutch piston spring retainer.
    1. Install the forward clutch piston spring.
    2. Install the forward clutch piston spring retainer.
    Fig 3: Identifying Forward Clutch Piston Spring & Forward Clutch Piston Spring Retainer
    G02143738
    5. CAUTION: Do not fully depress the clutch spring compressor or damage to the spring retainer may occur.
    Fig 4: Identifying Forward Clutch Piston Spring Retaining Ring
    G02143739
  5. Using the special tool, install the forward clutch piston spring retaining ring.
    6. CAUTION: If there is evidence of clutch plate burning, install a new forward clutch cushion.
    Fig 5: Identifying Forward Clutch Cushion Spring
    G02143740
  6. Install the forward clutch cushion spring.
    7. CAUTION: The forward clutch friction plates are directional and must be installed with grooves pointing counterclockwise.
    CAUTION: If new plates are used, they should be soaked in clean automatic transmission fluid for at least 30 minutes before assembly.
    Fig 6: Installing Direct Clutch Disc Pack In Counterclockwise Rotation
    G02143741
  7. If reusing plates, grooves must be installed counterclockwise. Install the direct clutch disc pack.
  8. Install the steel clutch plates and friction clutch plates in alternating order starting with a steel clutch plate.
    Fig 7: Identifying Direct Clutch Disc Pack
    G02143742
    9. CAUTION: The retaining ring is a select fit.
    Fig 8: Identifying Forward Clutch Pressure Plate & Selective Retaining Ring
    G02143743
  9. Install the original selective retaining ring.
    1. Install the forward clutch pressure plate.
    2. Install the original selective retaining ring.
    10. 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 9: Identifying Forward Clutch Cylinder, Center Support & Left Port Of Center Support
    G02143744
  10. Air check the forward clutch piston.
    1. Place the forward clutch cylinder with forward clutch piston facing down.
    2. Install the transmission center support on the forward clutch cylinder.
    3. Apply air pressure to the left port of the center support.
  11. Check forward clutch disc pack free play.
    1. Press down on forward clutch disc pack.
    2. Using a feeler gauge, check the gap between the forward clutch retaining ring and the forward clutch pressure plate.
      • If the clearance is not within specifications, install the correct size retaining ring.
    Fig 10: Measuring Gap Between Forward Clutch Retaining Ring & Forward Clutch Pressure Plate
    G02143746
    Fig 11: Identifying Retaining Ring Thicknesses
    G02143745
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