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Home >> Lexus >> 2007 >> RX 350 AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - U151F >> Forward Clutch >> Disassembly

Forward Clutch: Disassembly

  1. INSPECT PACK CLEARANCE OF FORWARD CLUTCH  (See INSPECTION  )
  2. REMOVE FORWARD MULTIPLE DISC CLUTCH DISC 
    1. Using a screwdriver, remove the snap ring.
      Fig 1: Removing Snap Ring
      G04976375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the flange, 5 discs, and 5 plates from the input shaft assembly.
      Fig 2: Identifying Flange, Discs And Plates
      G04976376Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY 
    1. Place SST on the spring retainer and compress the return spring with a press.

      SST 09387-00020 

    2. Using a snap ring expander, remove the snap ring.
      NOTE:
      • Stop the press when the spring seat is lowered 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove to prevent the spring seat from being deformed.
      • Do not expand the snap ring excessively.
        Fig 3: Removing Snap Ring
        G04976377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the clutch balancer from the input shaft.
      Fig 4: Identifying Clutch Balancer And Input Shaft
      G04976388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the forward clutch return spring from the input shaft.
      Fig 5: Identifying Forward Clutch Return Spring And Input Shaft
      G05000994Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY 
    1. Place the forward clutch drum onto the oil pump.
    2. Holding the forward clutch piston by hand, apply compressed air (392 kPa, 4.0 kgf/cm2 , 57 psi) to the oil pump to remove the forward clutch piston.

      HINT:

      When the piston cannot be removed as it is slanted, blow air again with the protruding side pushed, or remove the piston using needle nose pliers with its tip taped.

      Fig 6: Removing Forward Clutch Piston
      G05269154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE INPUT SHAFT OIL SEAL RING 
    1. Remove the input shaft oil seal ring from the input shaft.
      Fig 7: Removing Input Shaft Oil Seal Ring From Input Shaft
      G05269155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002