LS400 1990-1997

Electric Engine Fan

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Removal & Installation



Specific to:

Lexus LS400 1993-1994

  1. Disconnect the negative battery cable.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove the lower engine cover.
  6.  
  7. Remove the lower wind guide.
  8.  
  9. Lower the vehicle to a level where the bumper and headlights can be removed.
  10.  
  11. Remove the clearance light mounting bolts. Carefully pry and pull the lights until free. Disconnect the electrical connectors and remove the lights.
  12.  
  13. Remove the headlight/foglight nut and 3 bolts and pull the assemblies out. Disconnect the electrical connectors and remove the assemblies.
  14.  
  15. Remove the 8 upper clips and bumper retainer.
  16.  
  17. Disconnect the ambient temperature sensor and remove the wire harness from the bumper.
  18.  
  19. Disconnect the 4 turn signal/marker lamp connectors.
  20.  
  21. Remove the 4 clips holding the front bumper to the reinforcement.
  22.  
  23. Remove the 4 bolts, 4 nuts and 2 retainers securing the bumper to the front fenders.
  24.  
  25. Remove the 12 screws securing the bumper to the fender liners.
  26.  
  27. Remove the 4 bolts holding the bumper to the body.
  28.  
  29. Remove the bumper.
  30.  
  31. Remove the 10 bolts and bumper reinforcement.
  32.  
  33. Remove the right side horn and disconnect the electrical connector.
  34.  
  35. Disconnect the 2 cooling fan electrical connectors.
  36.  
  37. Disconnect the cooling fan wires from the clamps.
  38.  
  39. Remove the locknut cap. Remove the 3 nuts, then 2 nuts and hood lock support.
  40.  
  41. Remove the mounting bolts and cooling fans.
  42.  

To install:

  1. Install the cooling fans and loosely install the bolts.
  2.  
  3. Install the hold lock support, tighten the 3 nuts and install the locknut cap.
  4.  
  5. Install the 2 bolts holding the hood lock support to the cooling fans and tighten the shroud bolts.
  6.  
  7. Connect the cooling fan electrical connectors and secure the clamps.
  8.  
  9. Install the right side horn.
  10.  
  11. Install the bumper reinforcement.
  12.  
  13. Install the bumper and torque the bumper-to-body bolts to 67 ft. lbs. (91 Nm).
  14.  
  15. Connect the turn signal/marker light electrical connectors.
  16.  
  17. Install the bumper retainer and clips.
  18.  
  19. Connect the ambient temperature sensor and route the electrical lead.
  20.  
  21. Install the headlight/foglight assembly.
  22.  
  23. Install the clearance lights.
  24.  
  25. Install the lower wind guide.
  26.  
  27. Install the lower engine cover.
  28.  
  29. Connect the negative battery cable.
  30.  

Specific to:

Lexus LS400 1995-1997

  1. Disconnect the negative battery cable to the battery.
  2.  
  3. Remove the air cleaner inlet.
  4.  
  5. Loosen the four nuts holding the fluid coupling to the fan bracket.
  6.  
  7. Remove the alternator drive belt by turning the tensioner counterclockwise.
  8.  
  9. Remove the four nuts and remove the fan.
  10.  

To install:

  1. Install the fan to the engine and install the four nuts.
  2.  
  3. Install the drive belt.
  4.  
  5. Torque the fan bolts to 16 ft. lbs. (21 Nm).
  6.  
  7. Install the air cleaner inlet.
  8.  
  9. Connect the negative battery cable to the battery.
  10.  

 
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