Water pump removal (4JJ3 without DPD)

1. Component views

Water pump

Part name

  1. Cooling fan
  2. Tension pulley
  3. Tension pulley lock nut
  4. Cooling fan belt
  5. Nut
  6. Water pump
  7. Gasket
  8. Bolt
  9. Nut

Tightening torque

3: 41 N・m { 4.2 kgf・m / 30 lb・ft }

5: 25 N・m { 2.5 kgf・m / 18 lb・ft }

8: 25 N・m { 2.5 kgf・m / 18 lb・ft }

9: 10.0 N・m { 1.0 kgf・m / 89 lb・in }

2. 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.

4. 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 cylinder block side 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.

5. Engine cover removal

1) Remove the engine cover from the engine.

Legend

  1. Engine cover

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 thermostat and radiator.

Legend

  1. Radiator upper hose

8. 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

9. Air cleaner removal

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

2) Remove the air cleaner from the vehicle.

Legend

  1. Air cleaner
  2. MAF and IAT sensor

10. 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

11. A/C compressor drive belt removal

1) Loosen the tension pulley lock nut.

2) Loosen the tension pulley adjust bolt.

3) Remove the A/C compressor drive belt from the following parts.

  • Tension pulley
  • A/C compressor
  • Crankshaft pulley

Legend

  1. Lock nut
  2. Adjust bolt
  3. A/C compressor drive belt

12. Cooling fan belt removal

1) Loosen the tension pulley lock nut.

2) Loosen the tension pulley adjust bolt.

3) Remove the cooling fan belt from the following parts.

  • Fan pulley
  • Generator
  • Crankshaft pulley

Legend

  1. Adjust bolt
  2. Cooling fan belt
  3. Lock nut

13. Cooling fan removal

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

2) Remove the fan pulley from the water pump.

14. Water pump removal

1) Remove the water pump and gasket from the timing gear case.

Caution

  • Do not reuse the gasket.