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Home >> Toyota >> 2007 >> Avalon Limited >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - U151E >> Direct Clutch >> Disassembly

Direct Clutch: Disassembly

  1. INSPECT PACK CLEARANCE OF REVERSE CLUTCH 

    HINT:

    (See INSPECTION )

  2. INSPECT PACK CLEARANCE OF DIRECT CLUTCH AND OVERDRIVE CLUTCH 

    HINT:

    (See INSPECTION )

  3. REMOVE DIRECT MULTIPLE DISC CLUTCH DISC 
    1. Using a screwdriver, remove the snap ring from the intermediate shaft.
      Fig 1: Removing Snap Ring From Intermediate Shaft
      G04976149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the flange, 3 discs, 3 plates and cushion plate from the intermediate shaft.
    Fig 2: Identifying Flange, Discs, Plates And Cushion Plate
    G04976150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE OVERDRIVE DIRECT CLUTCH DISC 
    1. Using a screwdriver, remove the snap ring from the intermediate shaft.
    2. Remove the flange, 4 discs and 4 plates from the intermediate shaft.
    Fig 3: Identifying Flange, Discs And Plates
    G05001013Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE OVERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY 
    1. Place SST on the clutch balancer and compress the spring with a press.
      Fig 4: Compressing Spring
      G04976152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09387-00020 

    2. Using a snap ring expander, remove the snap ring from the direct clutch drum.
      NOTE:
      • Stop the press when the spring seat is lowered to the place 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove.
      • This prevents the spring seat from being deformed.
      • Do not expand the snap ring excessively.
    3. Remove the clutch balancer from the direct clutch drum.
      Fig 5: Identifying Clutch Balancer And Direct Clutch Drum
      G04976153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the overdrive clutch return spring from the direct clutch drum.
    Fig 6: Identifying Overdrive Clutch Return Spring And Direct Clutch Drum
    G05001016Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE OVERDRIVE DIRECT CLUTCH PISTON 
    1. Install the intermediate shaft on the transaxle rear cover.
    2. Holding the direct clutch piston with your hand, apply compressed air (392 kPa, 4.0 kgf/cm2 , 57 psi) to the transaxle rear cover to remove the direct clutch piston.
    Fig 7: Applying Compressed Air To Transaxle Rear Cover
    G04976155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE OVERDRIVE DIRECT CLUTCH DRUM SUB-ASSEMBLY 
    1. Holding the direct clutch drum by hand, apply compressed air (392 kPa, 4.0 kgf/cm2 , 57 psi) to the transaxle rear cover to remove the direct clutch drum.
    Fig 8: Applying Compressed Air To Transaxle Rear Cover
    G04976156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE OVERDRIVE DIRECT CLUTCH O-RING 
    1. Using a screwdriver, remove the O-ring from the direct clutch drum.
    Fig 9: Locating O-Ring
    G04976157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002