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Home >> Lexus >> 2019 >> GX 460 Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System (Service Information) >> Water Pump >> Removal [08/2015 - ] >> Procedure

Removal [08/2015 - ]: Procedure

  1. REMOVE WATER INLET SUB-ASSEMBLY WITH THERMOSTAT 
    1. Remove the water inlet with thermostat (Refer to REMOVAL [08/2015 - ] ).
  2. REMOVE NO. 1 RADIATOR HOSE 

    See step  10

  3. REMOVE FAN SHROUD 

    See step  11

  4. REMOVE NO. 1 WATER BY-PASS HOSE 
    1. Remove the No. 1 water by-pass hose.
      GTY286427Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. DISCONNECT NO. 8 WATER BY-PASS HOSE 
    1. Disconnect the No. 8 water by-pass hose.
      GTY275254Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DISCONNECT NO. 5 WATER BY-PASS HOSE 
    1. Disconnect the No. 5 water by-pass hose.
      GTY275258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE WATER INLET HOUSING 
    1. Remove the 3 bolts and water inlet housing.
      GTY275260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the gasket from the water pump.
  8. REMOVE WATER PUMP PULLEY 
    1. Using a screwdriver or equivalent with its tip wrapped in protective tape, hold the water pump pulley.
      GTY948214Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
      *b Hold
      *c Turn
    2. Remove the 4 bolts and water pump pulley.
  9. REMOVE WATER PUMP ASSEMBLY 
    1. Remove the 8 bolts, water pump and gasket.
      GTY275277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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