CLUTCH UNIT (for E351): Inspection

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

INSPECT CLUTCH DISC ASSEMBLY
1. Using a vernier caliper, measure the rivet head depth.
  Minimum rivet depth:
  
  0.3 mm (0.0118 in.)
  
  If necessary, replace the clutch disc assembly.
  
  Fig 1: Measuring Rivet Head Depth
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the clutch disc assembly to the transaxle assembly.
  NOTE: Insert the clutch disc assembly in the correct direction.
3. Using a dial indicator with a roller tip, measure the clutch disc assembly runout.
  Maximum runout:
  
  0.8 mm (0.0315 in.)
  
  If necessary, replace the clutch disc assembly.
  
  Fig 2: Measuring Clutch Disc Assembly Runout
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT CLUTCH COVER ASSEMBLY
1. Using a vernier caliper, inspect the diaphragm spring for depth and width of wear.
  Maximum:
  
  A (Depth):
  
  0.5 mm (0.0197 in.)
  
  B (Width):
  
  6.0 mm (0.236 in.)
  
  If necessary, replace the clutch cover assembly.
  
  Fig 3: Inspecting Diaphragm Spring For Depth And Width Of Wear
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FLYWHEEL SUB-ASSEMBLY
1. Using a dial indicator, measure the flywheel runout.
  Maximum runout:
  
  0.1 mm (0.00394 in.)
  
  If necessary, replace the flywheel sub-assembly.
  
  Fig 4: Measuring Flywheel Runout
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT CLUTCH RELEASE BEARING ASSEMBLY
1. Check that the bearing moves smoothly without abnormal resistance by turning the sliding parts of the bearing (contact surfaces with the clutch cover) while applying force in the axial direction.
2. Inspect the bearing for damage and wear. If necessary, replace the release bearing assembly.
  
  Fig 5: Inspecting Clutch Release Bearing Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT AND ADJUST CLUTCH COVER ASSEMBLY
1. Using a dial indicator with a roller tip, check the diaphragm spring tip alignment.
  Maximum misalignment:
  
  0.9 mm (0.0354 in.)
  
  If the alignment is not as specified, adjust the diaphragm spring tip alignment with SST.
  
  SST 09333-00013
  
  Fig 6: Checking Diaphragm Spring Tip Alignment
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002