Clutch Unit (For 1Gr-Fe) Inspection


  1. INSPECT CLUTCH DISC ASSEMBLY

  2. INSPECT CLUTCH COVER ASSEMBLY

  3. INSPECT FLYWHEEL SUB-ASSEMBLY

  4. INSPECT CLUTCH RELEASE BEARING ASSEMBLY

Clutch Unit (For 1Gr-Fe) -- Inspection



1. INSPECT CLUTCH DISC ASSEMBLY
NOTICE:
When replacing the clutch disc assembly, make sure to perform an inspection of the flywheel sub-assembly and clutch cover assembly.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155

  1. Using a vernier caliper, measure the rivet depth.

    Minimum rivet depth:
    0.3 mm (0.0118 in.)
    If the depth is less than the minimum, replace the clutch disc assembly.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Clutch.Clutch System.Clutch Unit (For 1Gr-Fe) Inspection

  1. Using a dial gauge, measure the clutch disc assembly runout.

    Maximum runout:
    0.7 mm (0.0276 in.)
    If the runout is more than the maximum, replace the clutch disc assembly.


2. INSPECT CLUTCH COVER ASSEMBLY


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Clutch.Clutch System.Clutch Unit (For 1Gr-Fe) Inspection

  1. Using a vernier caliper, measure the depth and width of the diaphragm spring wear.

    Maximum Wear:
    Depth
    		Width
    0.35 mm (0.0138 in.)
    		5.0 mm (0.197 in.)
    Text in Illustration
    *a
    		Width
    *b
    		Depth
    If the depth or width is more than the maximum, replace the clutch cover assembly.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Clutch.Clutch System.Clutch Unit (For 1Gr-Fe) Inspection

  1. Perform a visual inspection of the clutch cover assembly.

    1. Inspect for hair cracks or scratches extending from the center outwards, or discoloration.

    2. Inspect for hair cracks in a circular pattern, discoloration or excessive wear.

      Text in Illustration
      *a
      		Hair cracks, scratches or discoloration
      *b
      		Hair cracks, discoloration or excessive wear
      If there is any damage, replace the clutch cover assembly.


3. INSPECT FLYWHEEL SUB-ASSEMBLY


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155

  1. Using a dial gauge, check the flywheel sub-assembly runout.

    Maximum runout:
    0.1 mm (0.00393 in.)
    If the runout is more than the maximum, replace the flywheel sub-assembly.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Clutch.Clutch System.Clutch Unit (For 1Gr-Fe) Inspection

  1. Perform a visual inspection of the flywheel sub-assembly.

    1. Inspect for hair cracks or scratches extending from the center outwards, or discoloration.

    2. Inspect for hair cracks in a circular pattern, discoloration or excessive wear.

      Text in Illustration
      *a
      		Hair cracks, scratches or discoloration
      *b
      		Hair cracks, discoloration or excessive wear
      If there is any damage, replace the flywheel sub-assembly.


4. INSPECT CLUTCH RELEASE BEARING ASSEMBLY


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Clutch.Clutch System.Clutch Unit (For 1Gr-Fe) Inspection

  1. Check that the clutch release bearing moves smoothly without abnormal resistance by turning the sliding parts of the clutch release bearing (contact surfaces with the clutch cover) while applying force in the axial direction.

  1. Inspect the clutch release bearing for damage or wear.
    If necessary, replace the release bearing assembly.