Lexus IS250 · Service Manual ENGINE

DISASSEMBLY

Removal / installation


1. ASSEMBLE SST
SST
09230-01010  

  1. A104619E02
    Install the claw to the overhaul handle, inserting it in the hole in part A as shown in the illustration.

  1. While gripping the handle, adjust the stopper bolt so that dimension B is as shown in the illustration.

    NOTICE:
    If this adjustment is not performed, the claw will be damaged.

    Dimension B:
    0.2 to 0.3 mm (0.008 to 0.012 in.)


2. UNCAULK LOCK PLATE
SST
09230-01010   (09231-01010, 09231-01030)

  1. A125072E01
    Using SST to release the caulking, grip the handle until it is stopped by the stopper bolt.


3. REMOVE RADIATOR UPPER TANK AND LOWER TANK

  1. A125073
    Lightly tap the bracket of the radiator (or radiator hose inlet or outlet) with a plastic hammer and remove the tank.

  1. Remove the O-ring.


4. INSPECT LOCK PLATE FOR DAMAGE

  1. A125074E01
    Inspect the lock plate for damage.

    HINT:
    1. If the sides of the lock plate groove are deformed, reassembly of the tank will be impossible. Correct any deformations with pliers.
    1. Water leakage will result if the bottom of the lock plate groove is damaged or dented. Repair or replace if necessary.

    NOTICE:
    The radiator assembly can be recaulked only twice. After the 2nd time, the radiator core must be replaced.

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