Direct Clutch: Inspection

INSPECT PACK CLEARANCE OF DIRECT CLUTCH
1. Install the direct clutch on the oil pump.
  
  Fig 1: Installing Direct Clutch On Oil Pump
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Set a dial indicator and measuring terminal (SST) together, and measure the direct clutch pack clearance while applying and releasing compressed air (392 - 785 kPa, 4 - 8 kgf/² , 57 - 114 psi).
  SST 09350-32014 (09351-32190)
  
  Pack clearance:
  
  0.49 to 0.89 mm (0.0192 to 0.0350 in.)
  
  If the pack clearance is greater than the maximum, inspect each component.
  
  Fig 2: Measuring Clutch Clearance
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT DIRECT CLUTCH PISTON SUB-ASSEMBLY
1. Check that the check ball is free by shaking the direct clutch piston sub-assembly.
2. Check that the valve does not leak by applying low-pressure compressed air.
  
  Fig 3: Inspecting Direct Clutch Piston Sub-Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT DIRECT MULTIPLE DISC CLUTCH, CLUTCH DISC
1. Check if the sliding surfaces of the discs, plates and flanges are worn or burnt. If necessary, replace them.
  HINT:
  - If the lining of the disc is peeling off or discolored, or even if a part of the printed number is defaced, replace all discs.
  - Before assembling new discs, soak them in ATF for at least 15 minutes.
    
    Fig 4: Inspecting Direct Multiple Disc Clutch Disc
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT DIRECT CLUTCH DRUM SUB-ASSEMBLY
1. Using a dial indicator, measure the inside diameter of the direct clutch drum sub-assembly bushing.
  Maximum inside diameter:
  
  48.27 mm (1.9004 in.)
  
  If the inside diameter is greater than the maximum, replace the direct clutch drum sub-assembly.
  
  Fig 5: Inspecting Direct Clutch Drum Sub-Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002