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Home >> Toyota >> 2021 >> Land Cruiser Base >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control System - Service Information >> Air Switching Valve >> Removal [08/2015 - ] >> Procedure

Removal [08/2015 - ]: Procedure

  1. REMOVE EXHAUST MANIFOLD SUBASSEMBLY 
    1. Remove the exhaust manifold (Refer to REMOVAL [08/2015 - ] ).
  2. REMOVE INTAKE MANIFOLD 
    1. Remove the intake manifold (Refer to REMOVAL [08/2015 - ] ).
  3. DISCONNECT NO. 1 WATER BY-PASS HOSE 
    1. Disconnect the No. 1 water by-pass hose from the water by-pass joint and water inlet housing.
      GTY588210Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. DISCONNECT NO. 2 WATER BY-PASS HOSE 
    1. Disconnect the No. 2 water by-pass hose from the water by-pass joint.
  5. DISCONNECT NO. 2 WATER BY-PASS PIPE SUBASSEMBLY (w/ Oil Cooler) 
    1. Remove the 3 bolts and disconnect the No. 2 water by-pass pipe.
      GTY611620Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE NO. 2 ENGINE COVER 
    GTY147682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. DISCONNECT FUEL TUBE CLAMP 
    1. Disconnect the fuel tube clamp from the bracket.
      GTY608815Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 1 ENGINE COVER 
    GTY125879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FRONT WATER BY-PASS JOINT 
    1. Disconnect the engine coolant temperature sensor connector.
    2. Remove the 4 nuts, front water by-pass joint and 2 gaskets.
      GTY589050Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE AIR PIPE SUBASSEMBLY 
    1. Disconnect the No. 2 and No. 3 hoses.
      GTY596133Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the air pump connector.
    3. Disconnect the air pump connector clamp holder.
    4. Using a clip remover, detach the wire harness claw.
    5. Remove the 2 bolts and air pipe.
      GTY589048Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Disconnect the 2 No. 1 air hoses from the air pipe.
  11. REMOVE AIR SWITCHING VALVE ASSEMBLY 
    1. Disconnect the knock sensor connector.
      GTY611362Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and bracket.
    3. Disconnect the 2 air switching valve connectors.
    4. Remove the 3 bolts and air switching valve.
      GTY608818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE NO. 2 AIR TUBE 
    1. Remove the 2 bolts, No. 2 air tube and gasket.
      GTY125880Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful not to damage the installation surface of the gaskets.

  13. REMOVE NO. 3 AIR TUBE 
    1. Remove the 2 bolts, No. 3 air tube and gasket.
      GTY141918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful not to damage the installation surface of the gaskets.