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Radiator ASSY: Overhaul

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE RADIATOR DRAIN COCK PLUG 
    1. Remove the drain cock plug.
    2. Remove the O-ring from the drain cock plug.
  2. ASSEMBLE SST 

    SST 09230-01010 (09231-01010, 09231-01030)

    1. Install the claw to the overhaul handle by inserting it in the hole in part "A" as shown in Fig 1 .
    2. While gripping the handle, adjust the stopper bolt so that dimension "B" is as shown in Fig 1 .

      Dimension "B" 0.2 to 0.3 mm (0.008 to 0.012 in) 

      NOTE: If the stopper bolt is not adjusted, the claw may be damaged.
    Fig 1: Installing Claw To Overhaul Handle Inserting Hole In Part "A"
    G00915146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DECAULK CORE PLATE 
    1. Using SST to release the core plate, grip the handle until stopped by the stopper bolt.

      SST 0923-01010 (09231-01010, 09231-01030)

      Fig 2: Releasing Core Plate Using SST
      G00915147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE RADIATOR TANK UPPER 
    1. Lightly tap the bracket of the radiator tank (or radiator tank pipe) with a soft-faced hammer, then remove the radiator tank.
      Fig 3: Lightly Tapping Bracket Of Radiator Tank
      G00915148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring.
  5. REMOVE RADIATOR TANK LOWER 

    HINT:

    Perform the same procedures as the radiator tank upper.

  6. REMOVE INLET NO.1 
    1. Remove the bolt.
    2. Remove the nut and inlet No.1.
      Fig 4: Removing Inlet No. 1
      G00915149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE INLET NO.2 
    1. Remove the nut and inlet No.2.
      Fig 5: Identifying Inlet No. 2
      G00915150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE ATM OIL COOLER 
    1. Remove the 2 nuts and 2 washers, then remove the oil cooler from the radiator tank.
      Fig 6: Removing ATM Oil Cooler
      G00915151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 O-rings from the oil cooler.
  9. INSPECT RADIATOR CORE SUB-ASSY 

    Check the core plate for damage.

    HINT:

    • If the sides of the core plate groove are deformed, it will be impossible to reassemble the radiator tank. Therefore, first correct any deformation with pliers or a similar tool.
    • Water leakage will result if the bottom of the core plate groove is damaged or dented. Repair or replace if necessary.
      NOTE: The radiator can only be recaulked 2 times. After being recaulked 2 times, the radiator core must be replaced.
      Fig 7: Inspecting Radiator Core
      G00915152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL ATM OIL COOLER 
    1. Install the 2 new O-rings to the oil cooler.
    2. Install the oil cooler to the radiator tank.
    3. Install the 2 nuts and 2 washers.

      Torque: 8.3 N.m (85 kgf.cm, 74 in.lbf) 

      Fig 8: Installing ATM Oil Cooler
      G00915153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL INLET NO.2 

    Torque: 15 N.m (150 kgf.cm, 11 ft.lbf) 

  12. INSTALL INLET NO.1 

    Torque: 15 N.m (150 kgf.cm, 11 ft.lbf) 

  13. INSTALL RADIATOR TANK UPPER 
    1. After checking that there are no foreign objects in the core plate groove, install a new O-ring without twisting it.

      HINT:

      When cleaning the core plate groove, lightly rub it with sandpaper without scratching it.

      Fig 9: Installing O-Ring Without Twisting
      G00915154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the radiator tank without damaging the O-ring.
      Fig 10: Installing Radiator Tank
      G00915155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Tap the core plate with a soft-faced hammer so that there is no gap between the core plate and radiator tank.
  14. INSTALL RADIATOR TANK LOWER 

    HINT:

    Perform the same procedures as the radiator tank upper.

  15. ASSEMBLE SST 

    SST 09230-01010 (09231-01010, 09231-01020)

    1. Install the punch assembly to the overhaul handle by inserting it in the hole in part "A" as shown in Fig 11 .
      Fig 11: Installing Punch Assemby To Overhaul Handle Inserting In Part "A"
      G00915156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. While gripping the handle, adjust the stopper bolt so that dimension "B" is as shown in Fig 11 .

      Dimension "B": 8.4 mm (0.341 in.) 

  16. CAULK CORE PLATE 
    1. Lightly press SST against the core plate in the order shown in Fig 14 . After repeating this a few times, fully caulk the core plate by gripping the handle until stopped by the stopper bolt.

      SST 09230-01010 (09231-01010, 09231-01020)

      Fig 12: Pressing SST Against Core Plate By Stopper Bolt
      G00915157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      • Do not tap the areas protruding around the pipes, brackets or tank ribs.
        Fig 13: Identifying Rib & Bracket
        G00915158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • The points shown in Fig 14 and oil cooler near here cannot be tapped with the SST. Use pliers or a similar tool and be careful not to damage the core plate.
        Fig 14: Lightly Pressing SST Against Core Plate
        G00915159Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check the core plate height (H) after completing the caulking.

      Plate height (H): 7.40 to 7.80 mm (0.2913 to 0.3071 in.) 

      If the height is not as specified, adjust the stopper bolt of the handle again, then caulk again.

      Fig 15: Identifying Core Plate Height
      G00915160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. INSTALL RADIATOR DRAIN COCK PLUG 
    1. Install a new O-ring to the drain cock plug.
    2. Install the drain cock plug.