Lexus GS, SC 1998-06

Accessory Drive Belts 2

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Removal & Installation



3.0L (2jz-Ge) Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect the negative battery cable. Wait at least 90 seconds before performing any other work.

    Click image to see an enlarged view

    Fig. Loosening the drive belt tension when equipped with an automatic drive belt tensioner.-2JZ-GE engine

  4.  
  5. Using SST 09216-00041, loosen the drive belt tension by turning the drive belt tensioner clockwise.
  6.  
  7. Remove the drive belt.
  8.  
  9. Visually check the drive belt for excessive wear, frayed cords, chunks missing from its ribs, etc. If any defect has been found, it should be replaced.
  10.  
  11. Installation is the reverse of the removal procedure.
  12.  

3.0L (3gr-Fse) Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect the negative battery cable. Wait at least 90 seconds before performing any other work.
  4.  
  5. Remove the cool air intake duct seal.
  6.  
  7. Remove the air cleaner inlet.
  8.  
  9. Remove the V-bank cover.

    Click image to see an enlarged view

    Fig. Loosening the drive belt tension-3GR-FSE engine

  10.  
  11. While releasing the belt tension by turning the belt tensioner counterclockwise, and remove the drive belt from the belt tensioner.

    Click image to see an enlarged view

    Fig. Fix the belt tensioner in place by inserting a 5mm bihexagon wrench into the holes.-3GR-FSE engine

  12.  
  13. While turning the belt tensioner counterclockwise, align with its holes, and then insert a 5mm bihexagon wrench into the holes to fix the belt tensioner.
  14.  
  15. Visually check the drive belt for excessive wear, frayed cords, chunks missing from its ribs, etc. If any defect has been found, replace the belt.
  16.  
  17. Check that nothing gets caught in the tensioner by turning it clockwise and counterclockwise. If a malfunction exists, replace the tensioner.
  18.  

To install:

  1. Install the drive belt.
  2.  
  3. While turning the belt tensioner counterclockwise, remove the bar.
  4.  
  5. Put the backside of the drive belt on the tensioner pulley and idler pulley. Check that the belt is properly set to each pulley.
  6.  
  7. If it is difficult to install the drive belt, perform the following procedure:


    1. Put the belt on every part except the tensioner pulley as shown in the routing illustration.
    2.  
    3. While releasing the belt tension by turning the belt tensioner counterclockwise, put the belt on the tensioner pulley.
    4.  

  8.  
  9. Install the V-bank cover.
  10.  
  11. Install the air cleaner inlet with the bolt.
  12.  
  13. Install the cool air intake duct seal.
  14.  
  15. Connect the negative battery cable.
  16.  

4.0L (1uz-FE) And 4.3L (3uz-FE) Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect the negative battery cable. Wait at least 90 seconds before performing any other work.
  4.  
  5. Remove the air cleaner inlet.

    Click image to see an enlarged view

    Fig. Loosening the drive belt tension-1UZ-FE and 3UZ-FE engines

  6.  
  7. Loosen the belt tension by turning the belt tensioner counterclockwise.
    NOTE
    The pulley bolt for the belt tensioner has a left - hand thread.

  8.  
  9. Remove the drive belt.
  10.  
  11. Visually check the drive belt for excessive wear, frayed cords, chunks missing from its ribs, etc. If any defect has been found, replace the belt.
  12.  

To install:

  1. Set the drive belt to everything except the idler pulley No. 2, as shown in the routing illustration.
  2.  
  3. Loosen the belt by turning the belt tensioner counterclockwise.
  4.  
  5. Then set the belt to the idler pulley.

    Click image to see an enlarged view

    Fig. Check that the mark is within range B as shown on the tensioner pulley-1UZ-FE and 3UZ-FE engines

  6.  
  7. After a new belt has been installed, check that the mark is within range B as shown in the illustration.
  8.  
  9. Install the air cleaner inlet.
  10.  
  11. Connect the negative battery cable.
  12.  

 
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