Lexus IS250 IS220d GSE20 ALE20 - CLUTCH
CLUTCH UNIT - INSPECTION
1. INSPECT CLUTCH DISC ASSEMBLY |

Using vernier calipers, measure the rivet head depth.
- Minimum rivet depth:
- 1.3 mm (0.0512 in.)
If the result is less than the minimum, replace the clutch disc assembly.

Install the clutch disc assembly to the transmission unit.
- NOTICE:
- Take care not to insert the clutch disc assembly in the wrong direction.
Using a dial indicator, check the clutch disc assembly runout.
- Maximum runout:
- 0.8 mm (0.031 in.)
If the runout exceeds the maximum, replace the clutch disc assembly.
2. INSPECT FLYWHEEL SUB-ASSEMBLY |

Using a dial indicator, inspect the flywheel sub-assembly runout.
- Maximum runout:
- 0.1 mm (0.004 in.)
If the runout exceeds the maximum, replace the flywheel sub-assembly.