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Home >> Lexus >> 2008 >> LS 600hL >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Circuit Tests, Component Removal, Inspection & Installation >> Throttle Body >> Removal

Throttle Body: Removal

  1. REMOVE V-BANK COVER SUB-ASSEMBLY  (See REMOVAL )
  2. REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY  (See REMOVAL )
  3. REMOVE NO. 1 AIR CLEANER INLET  (See REMOVAL )
  4. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH  (See REMOVAL )
    Fig 1: Identifying Engine Room No. 2 Junction Block
    G05771218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH  (See REMOVAL )
  6. REMOVE NO. 1 ENGINE UNDER COVER  (See REMOVAL )
  7. DRAIN ENGINE COOLANT  (See REPLACEMENT )
  8. REMOVE INTAKE AIR CONNECTOR PIPE 
    1. Disconnect the No. 1 and No. 2 ventilation hoses from the intake air connector pipe.
    2. Using a clip remover, detach the wire harness clamp.
    3. Loosen the 3 hose clamps, and remove the intake air connector pipe
      Fig 2: Locating Intake Air Connector Pipe
      G05771219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE THROTTLE BODY ASSEMBLY 
    1. Disconnect the throttle motor connector
    2. Remove the 4 bolts and throttle body.
      Fig 3: Locating Throttle Motor Connector And Bolts
      G04943028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the No. 4 and No. 5 water by-pass hoses from the throttle body.
      4. Fig 4: Locating No. 4 And No. 5 Water By-Pass Hoses
      G05771221Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the gasket from the intake manifold.
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