Cooling fan clutch inspection (4JJ3 with DPD)

1. Cooling fan clutch vehicle inspection

1) Turn the cooling fan clutch by hand and inspect for interference.

2) Start and warm-up the engine until the fan clutch temperature becomes the standard value.

Standard: about 85 ℃ { about 185 °F }

3) Stop the engine.

4) Turn the cooling fan clutch by hand and check for considerable clutch torque.

Caution

  • If it rotates easily, there is a silicon oil leak so the cooling fan clutch should be replaced.

2. Cooling fan clutch inspection

1. Visual inspection

1) Inspect the cooling fan clutch for the following.

  • Wear
  • Damage

Note

  • If an abnormal condition is found, replace the cooling fan clutch.

2. Unit inspection

1) Warm until the fan clutch temperature becomes the standard value using a heat gun.

Standard: about 85 ℃ { about 185 °F }

2) Turn the cooling fan clutch by hand and check for considerable clutch torque.

Caution

  • If it rotates easily, there is a silicon oil leak so the cooling fan clutch should be replaced.