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Home >> Lexus >> 2007 >> SC 430 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling >> Radiator >> Disassembly

Cooling System (Mechanical): Cooling: Radiator: Disassembly

  1. REMOVE PACKING 
  2. REMOVE RADIATOR CAP SUB-ASSEMBLY 
  3. REMOVE RADIATOR DRAIN COCK PLUG 
    1. Remove the drain plug.
    2. Remove the O-ring.
  4. UNCAULK LOCK PLATE 
    1. Install the claw to part A of the overhaul handle as shown in the illustration.

      SST 09230-01010 

    2. While squeezing the handle, adjust the stopper bolt so that dimension B is as specified below.

      Dimension B: 

      0.2 to 0.3 mm (0.008 to 0.012 in.) 

      NOTE: If this adjustment is not performed, the claw will be damaged.
      Fig 1: Identifying Claw To Part A Of Overhaul Handle
      G05289354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, release the caulking.
      1. Set the tip of SST to the lock plate.
      2. Grip the handle of SST until the stopper bolt contacts the handle to release the caulking.

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

        Fig 2: Releasing Caulking With SST
        G05289355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE RADIATOR TANK 
    1. Lightly tap the bracket of the radiator (or radiator hose inlet or outlet) with a plastic-faced hammer and remove the tank.
    2. Remove the O-ring.
      Fig 3: Removing Radiator Tank
      G05289356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE OIL COOLER 
    1. Remove the 2 inlets.
    2. Remove the 2 nuts, 2 plate washers and oil cooler.
    3. Remove the 2 O-rings from the oil cooler.
      Fig 4: Locating Oil Cooler Nuts
      G05289357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002