Clutch Unit: Inspection

WARNING: This page is about a different variant/trim than selected.

INSPECT CLUTCH DISC ASSEMBLY
1. Using vernier calipers, measure the rivet head depth.
  Minimum rivet depth:
  
  0.3 mm (0.012 in.)
  
  If necessary, replace the clutch disc assembly.
2. Install the clutch disc assembly to the transaxle assembly.
  NOTE: Take care not to insert the clutch disc assembly in the wrong direction.
  
  Fig 1: Measuring Rivet Head Depth
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a dial indicator, check the clutch disc assembly runout.
  Maximum runout:
  
  0.8 mm (0.031 in.)
  
  If necessary, replace the clutch disc assembly.
Fig 2: Checking Clutch Disc Assembly Runout
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT CLUTCH COVER ASSEMBLY
1. Using vernier calipers, inspect the diaphragm spring for depth and width of wear.
  Minimum:
  
  A (Depth):
  
  0.5 mm (0.020 in.)
  
  B (Width):
  
  6.0 mm (0.236 in.)
  
  If necessary, replace clutch cover assembly.
Fig 3: Inspecting Diaphragm Spring For Depth And Width Of Wear Using Vernier Calipers
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FLYWHEEL SUB-ASSEMBLY
1. Using a dial indicator, inspect the flywheel sub-assembly runout.
  Maximum runout:
  
  0.1 mm (0.004 in.)
  
  If necessary, replace the flywheel sub-assembly.
Fig 4: Checking Flywheel Sub-Assembly Runout
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT CLUTCH RELEASE BEARING ASSEMBLY
1. Check that the clutch release bearing assembly moves smoothly without abnormal resistance by turning the sliding parts of the clutch release bearing assembly (contact surfaces with the clutch cover) while applying force in the axial direction.
2. Inspect the clutch release bearing assembly for damage or wear.
  HINT:
  
  Replace the release bearing assembly if necessary.
Fig 5: Inspecting Clutch Release Bearing Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002