LS400 1990-1997

Removal & Installation

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  1. Drain engine coolant from radiator hint:
    1. It is not necessary to drain out all coolant.
    2.  

  2.  
  3. Remove the following parts :
    1. No.1 safety pad
    2.  
    3. No.1 under cover
    4.  
    5. No.2 heater to register duct
    6.  

  4.  
  5. Remove heater radiator
    1. Remove the screw and clamp.
    2.  
    3. Remove the 2 screws, 2 clamps and disconnect the heater radiator pipes.
    4.  
    5. Pull out the heater radiator.
    6.  
    7. Remove the 2 O-rings.
      NOTE
      At the time of installation, do not reuse 2 O-rings.



      Click image to see an enlarged view

      Fig.

    8.  

  6.  

To install:


NOTE
At the time of installation, do not reuse 2 O-rings.

  1. Install heater radiator
    1. Install the 2 O-rings.
    2.  
    3. Push in the heater radiator.
    4.  
    5. Install the 2 screws, 2 clamps and connect the heater radiator pipes.
    6.  
    7. Install the screw and clamp.
    8.  

  2.  
  3. Install the following parts :
    1. No.2 heater to register duct
    2.  
    3. No.1 under cover
    4.  
    5. No.1 safety pad
    6.  

  4.  
  5. Fill engine coolant to radiator.
  6.  

 
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