Forward Clutch Disassembly

Transmission. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
U151F Automatic Transaxle. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. INSPECT PACK CLEARANCE OF FORWARD CLUTCH

  2. REMOVE FORWARD MULTIPLE DISC CLUTCH DISC

  3. REMOVE FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY

  4. REMOVE FORWARD CLUTCH PISTON SUB-ASSEMBLY

  5. REMOVE INPUT SHAFT OIL SEAL RING

Forward Clutch -- Disassembly



1. INSPECT PACK CLEARANCE OF FORWARD CLUTCH


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.U151F Automatic Transaxle.Automatic Transaxle System.Forward Clutch  Disassembly
  1. Install the forward clutch on the oil pump.

    NOTICE:
    Be careful not to damage the oil seal ring of the oil pump.
  1. Using a dial indicator, measure the forward clutch pack clearance while applying and releasing compressed air (392 kPa, 4.0 kgf/cm2, 57 psi).

    Standard pack clearance:
    1.00 to 1.25 mm (0.0394 to 0.0492 in.)
    If the clearance is not as specified, inspect the discs, plates and flange.
    HINT:
    If the opening is large, cover it with a piece of cloth to prevent compressed air from escaping.


2. REMOVE FORWARD MULTIPLE DISC CLUTCH DISC


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.U151F Automatic Transaxle.Automatic Transaxle System.Forward Clutch  Disassembly
  1. Using a screwdriver, remove the snap ring.



    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.U151F Automatic Transaxle.Automatic Transaxle System.Forward Clutch  Disassembly
  1. Remove the flange, 5 discs and 5 plates from the forward clutch drum.



3. REMOVE FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.U151F Automatic Transaxle.Automatic Transaxle System.Forward Clutch  Disassembly
  1. Place SST on the spring retainer and compress the return spring with a press.

    SST
    09387-00020
  1. Using a snap ring expander, remove the snap ring.

    NOTICE:
    1. Stop the press when the spring seat is lowered to a position 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove to prevent the spring seat from being deformed.
    2. Do not expand the snap ring excessively.


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.U151F Automatic Transaxle.Automatic Transaxle System.Forward Clutch  Disassembly
  1. Remove the forward clutch balancer from the forward clutch drum.



    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.U151F Automatic Transaxle.Automatic Transaxle System.Forward Clutch  Disassembly
  1. Remove the forward clutch return spring sub-assembly from the forward clutch drum.



4. REMOVE FORWARD CLUTCH PISTON SUB-ASSEMBLY


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.U151F Automatic Transaxle.Automatic Transaxle System.Forward Clutch  Disassembly
  1. Place the forward clutch drum onto the oil pump.

  1. 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:
    If the piston slants and cannot be removed, blow air again while pushing down on the protruding side, or remove the piston using needle nose pliers with its tips taped.


5. REMOVE INPUT SHAFT OIL SEAL RING


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.U151F Automatic Transaxle.Automatic Transaxle System.Forward Clutch  Disassembly
  1. Remove the input shaft oil seal ring from the forward clutch drum.