Cooling fan clutch removal (RZ4E-TC)

1. Preliminary and post procedures

1. Preliminary procedures

1) Open the engine hood.

2) Disconnect the battery cable from the battery negative terminal.

Caution

  • After turning OFF the ignition switch (power mode for models with passive entry and start system), do not disconnect the battery cable within 3 minutes.
  • If the battery cable is disconnected within 3 minutes, the vehicle electronic control system may malfunction.
  • If the battery cable is disconnected, perform the setting of the front door power window switch with AUTO UP/AUTO DOWN function after connecting the battery negative terminal.

3) Raise the vehicle.

2. Underguard removal

Refer to "9.Body, Cab, Accessories 9G.Hood, Fenders, Doors underguard removal".

3. Coolant drain

Warning

  • Do not loosen the radiator cap or reserve tank cap when coolant is hot, as doing so may result in burns caused by the release of steam or hot water.
  • When opening the radiator cap, cover the cap with a thick cloth once the engine coolant has cooled and slowly turn to release pressure.

1) Remove the radiator cap from the radiator.

2) Loosen the radiator drain plug, and drain the coolant into a pan.

3) Loosen the drain plug on the cylinder block, and drain the coolant to a pan.

Legend

  1. Drain plug

4) Apply LOCTITE 262 or equivalent to the threaded portion of the drain plug.

5) Tighten the drain plug on the cylinder block.

Tightening torque: 21.6 N・m { 2.2 kgf・m / 16 lb・ft }

6) Tighten the radiator drain plug.

4. Air duct removal

1) Remove the intake air duct from the air cleaner and radiator core support.

Legend

  1. Intake air duct
  2. Clip

2) Remove the PCV hose from the cylinder head cover and air duct.

Legend

  1. PCV hose
  2. Clamp

3) Remove the air duct from the air cleaner and turbocharger.

Legend

  1. Air duct

5. Air cleaner removal

1) Disconnect the connector from the MAF and IAT sensor.

2) Disconnect the connector from the barometric pressure sensor.

3) Remove the air cleaner from the vehicle.

Legend

  1. Air cleaner
  2. MAF and IAT sensor
  3. Barometric pressure sensor

6. Radiator reserve tank removal

1) Disconnect the radiator reserve tank hose from the radiator.

2) Remove the radiator reserve tank from the fan guide.

7. Radiator upper hose removal

1) Remove the radiator upper hose from the water outlet pipe and radiator.

Legend

  1. Radiator upper hose

8. Fan guide removal

1) Remove the fan shroud from the fan guide.

2) Remove the fan guide from the radiator.

Legend

  1. Fan shroud
  2. Fan guide
  3. Radiator

9. Cooling fan belt removal

Refer to "1.Engine 1D.Cooling(RZ4E-TC) cooling fan belt removal".

10. Cooling fan removal

1) Remove the cooling fan and cooling fan clutch as a set from the water pump.

11. Cooling fan clutch removal

1) Remove the cooling fan clutch from the cooling fan.

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