Clutch Unit Inspection

Transmission. Lexus Is250, Is220D. Gse20 Ale20
Clutch. Lexus Is250, Is220D. Gse20 Ale20

  1. INSPECT CLUTCH DISC ASSEMBLY

  2. INSPECT FLYWHEEL SUB-ASSEMBLY

Clutch Unit -- Inspection



1. INSPECT CLUTCH DISC ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20

  1. 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.


    Lexus Is250, Is220D. Gse20 Ale20.Clutch.Clutch System.Clutch Unit Inspection

  1. Install the clutch disc assembly to the transmission unit.

    NOTICE:
    Take care not to insert the clutch disc assembly in the wrong direction.

  1. 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


    Lexus Is250, Is220D. Gse20 Ale20

  1. 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.