Lexus IS250 IS220d GSE20 ALE20 - CLUTCH
CLUTCH UNIT (for 2AD-FHV) - INSPECTION
1. INSPECT CLUTCH DISC ASSEMBLY |

Using vernier calipers, measure the rivet head depth.
- Minimum rivet depth:
- 0.3 mm (0.012 in.)
Replace the clutch disc assembly as necessary.
Install the clutch disc assembly to the transaxle assembly.
- NOTICE:
- Take care not to insert the clutch disc assembly in the wrong direction.

Using a dial indicator with a roller instrument, measure the clutch disc assembly runout.
- Maximum runout:
- 0.8 mm (0.032 in.)
Replace the clutch disc assembly as necessary.
2. INSPECT CLUTCH COVER ASSEMBLY |

Using vernier calipers, measure the diaphragm spring for the depth and width of wear.
- Maximum:
- A (Depth):
- 0.5 mm (0.020 in.)
- B (Width):
- 6.0 mm (0.236 in.)
Replace the clutch cover assembly as necessary.
3. INSPECT FLYWHEEL SUB-ASSEMBLY |

Using a dial indicator, measure the flywheel sub-assembly runout.
- Maximum runout:
- 0.1 mm (0.004 in.)
Replace the flywheel sub-assembly as necessary.
4. INSPECT CLUTCH RELEASE BEARING ASSEMBLY |

Turn the release bearing by hand while applying force in the axial direction.
- HINT:
- The bearing is permanently lubricated and requires no cleaning or lubrication.
- Replace the release bearing assembly as necessary.