Clutch Unit Inspection

Drivetrain. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Clutch. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. INSPECT CLUTCH DISC ASSEMBLY

  2. INSPECT CLUTCH COVER ASSEMBLY

  3. INSPECT FLYWHEEL SUB-ASSEMBLY

  4. INSPECT CLUTCH RELEASE BEARING ASSEMBLY

  5. INSPECT INPUT SHAFT FRONT BEARING

  6. REPLACE INPUT SHAFT FRONT BEARING

Clutch Unit -- Inspection



1. INSPECT CLUTCH DISC ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Using a vernier caliper, measure the rivet head depth.

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


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Clutch.Clutch System.Clutch Unit  Inspection
  1. Using a dial indicator, check the disc runout.

    Maximum runout:
    0.8 mm (0.0314 in.)
    NOTICE:
    Be sure to measure on the correct side of the clutch disc.
    If the runout is more than the maximum, replace the clutch disc assembly.


2. INSPECT CLUTCH COVER ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Clutch.Clutch System.Clutch Unit  Inspection
  1. Using a vernier caliper, measure the depth and width of the worn areas of the diaphragm spring.

    Text in Illustration
    *a
    Width
    *b
    Depth
    Maximum width:
    6.0 mm (0.236 in.)
    Maximum depth:
    0.35 mm (0.0137 in.)
    If the depth or width is more than the maximum, replace the clutch cover assembly.


3. INSPECT FLYWHEEL SUB-ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Clutch.Clutch System.Clutch Unit  Inspection
  1. Using a dial indicator, measure the flywheel runout.

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


4. INSPECT CLUTCH RELEASE BEARING ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Clutch.Clutch System.Clutch Unit  Inspection
  1. Turn the bearing by hand while applying force in the axial direction and check that the bearing rotates smoothly.
    If the bearing sticks or a considerable amount of resistance is felt, replace the release bearing.

    HINT:
    The bearing is permanently lubricated and requires no cleaning or lubrication.


5. INSPECT INPUT SHAFT FRONT BEARING


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Clutch.Clutch System.Clutch Unit  Inspection
  1. Turn the bearing by hand while applying rotational force and check that the bearing rotates smoothly.
    If the bearing sticks or a considerable amount of resistance is felt, replace the input shaft front bearing.

    HINT:
    The bearing is permanently lubricated and requires no cleaning or lubrication.


6. REPLACE INPUT SHAFT FRONT BEARING
  1. Remove any 2 diametrically opposite bolts.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Clutch.Clutch System.Clutch Unit  Inspection
  1. Using SST, remove the input shaft front bearing.

    SST
    09303-35011


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Clutch.Clutch System.Clutch Unit  Inspection
  1. Using SST and a hammer, tap in a new bearing.

    SST
    09304-12012
    HINT:
    After installing the bearing to the crankshaft, make sure that it rotates smoothly.
  1. Apply adhesive to 2 or 3 threads of the bolts.

    Adhesive:
    Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent


  1. for TR Engine series:

    1. Install the 2 bolts.

      Torque:
      27 N*m{270 kgf*cm, 20 ft.*lbf}
      HINT:
      The mounting bolts are tightened in 2 progressive steps.


    2. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Clutch.Clutch System.Clutch Unit  Inspection
    3. Mark the mounting bolts with paint.

      Text in Illustration
      *a
      Paint Mark
      *b
      90°
    4. Retighten the mounting bolts by 90°.

    5. Check that the paint marks are now at a 90° angle to the original marked position.

  1. for 1KD-FTV, 2KD-FTV:

    1. Apply adhesive to 2 or 3 threads of the bolts.

      Adhesive:
      Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
    2. Install the 2 bolts.

      Torque:
      178 N*m{1815 kgf*cm, 131 ft.*lbf}