Toyota 4Runner 2001-06

Mechanical (Belt Driven) Fan

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Removal & Installation



1gr-FE Engine
  1. Remove the upper radiator support seal by disconnecting the 11 clips.
  2.  
  3. Loosen the four nuts that hold the fan to the drive pulley.
  4.  
  5. Remove the accessory drive belt.
  6.  
  7. Unfasten the hose clamp, and then separate the two oil cooler hoses from the fan shroud.
  8.  
  9. Disconnect the radiator reserve tank hose.
  10.  
  11. Remove the two fan shroud bolts and radiator reserve tank bolt.
  12.  
  13. Remove the four fluid coupling nuts, then remove the engine fan and fan shroud together.
  14.  

To install:

  1. Install the engine fan and fan shroud together.
  2.  
  3. Temporarily install the four fluid coupling nuts.
  4.  
  5. Tighten the two fan shroud bolts and radiator reserve tank bolt to 44 inch lbs. (5 Nm).
  6.  
  7. Connect the reserve tank hose.
  8.  
  9. Secure the two oil cooler hoses with the hose clamp.
  10.  
  11. Install the accessory drive belt.
  12.  
  13. Fully tighten the four fluid coupling nuts to 15 ft. lbs. (21 Nm).
  14.  

2uz-FE Engine
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the upper radiator support seal by disconnecting the 11 clips.
  4.  
  5. Remove the accessory drive belt.
  6.  
  7. Separate the two oil cooler hoses from fan shroud.
  8.  
  9. Remove the three mounting bolts and separate the fan shroud from radiator.
  10.  
  11. Remove the four nuts and separate the engine fan from the engine.
  12.  
  13. Remove the fan shroud and engine fan from the vehicle at the same time.
  14.  

To install:

  1. Install the engine fan and fan shroud into the engine room as a unit.
  2.  
  3. Install the fan shroud mounting bolts and tighten them to 44 inch lbs. (5 Nm).
  4.  
  5. Tighten the engine fan fluid coupling nuts to 21 ft. lbs. (29 Nm).
  6.  
  7. Install the oil cooler hoses to the fan shroud.
  8.  
  9. Install the accessory drive belt.
  10.  
  11. Connect the 11 clips to install the upper radiator support seal.
  12.  
  13. Connect the negative battery cable.
  14.  

5vz-FE Engine
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the alternator, A/C and power steering (if applicable) belts.
  4.  
  5. Loosen the bolts holding the water pump pulley (not the pump).
  6.  
  7. Remove the nuts, then remove the fan clutch (fluid coupling), fan and pulley.

    Click image to see an enlarged view

    Fig. Remove the nuts that hold the fan to the drive pulley-3.4L (5VZ-FE) Engine shown, others similar.



    Click image to see an enlarged view

    Fig. There are four nuts retaining the fan blade to the fluid coupling. Tighten to 47 inch lbs. (5.4 Nm)-3.4L (5VZ-FE) Engine

  8.  

To install:

  1. Install the pulley, clutch and fan; loosely fit the nuts in place.
  2.  
  3. Install the drive belt to the water pump pulley. Tighten the nuts to 16 ft. lbs. (22 Nm).
  4.  
  5. Install the belts to the other pulleys and adjust.
  6.  
  7. Connect the negative battery cable.
  8.  

 
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