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Home >> Infiniti >> 2008 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Intake (2UZ-FE)) >> Intake Manifold >> Removal

Intake Manifold: Removal

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. DISCHARGE FUEL SYSTEM PRESSURE  (See REMOVAL )
  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:
    • After the ignition switch is turned OFF, the navigation system requires approximately 90 seconds to record various types of memory and setting. As a result, after turning the ignition switch OFF, wait 90 seconds or more before disconnecting the cable from the negative (-) battery terminal
    • Some systems need to be initialized after the cable is reconnected (see INITIALIZATION ).
  3. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY 
    1. For the front wiper motor and link, refer to the following procedures (see REMOVAL ).
  4. REMOVE FRONT COWL TOP OUTER PANEL SUB-ASSEMBLY 
    1. Disconnect the 2 washer hoses.
    2. Remove the 7 bolts and outer panel.
      Fig 1: Identifying Bolts On Outer Panel
      G05152567Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 1 ENGINE UNDER COVER  (See REPLACEMENT )
  6. DRAIN ENGINE COOLANT  (See REPLACEMENT )
  7. REMOVE THROTTLE BODY COVER SUB-ASSEMBLY 
    1. Remove the 2 cap nuts and throttle body cover.
      Fig 2: Identifying Cap Nuts And Throttle Body Cover
      G05152688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and 2 throttle body cover brackets from the intake manifold.
    Fig 3: Identifying Throttle Body Cover Brackets From Intake Manifold
    G05152689Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE AIR CLEANER HOSE ASSEMBLY  (see REMOVAL  )
  9. REMOVE VACUUM HOSE ASSEMBLY 
    1. Remove the bolt and disconnect the vacuum hose assembly.
      Fig 4: Identifying Vacuum Hose Assembly
      G05152690Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 2 WATER BYPASS PIPE 
    1. Disconnect the 2 water hoses from the No. 2 water by-pass pipe.
      Fig 5: Identifying Water Hoses From No. 2 Water By-Pass Pipe
      G05152691Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts.
    3. Remove No. 2 water by-pass pipe together with the water hose.
    Fig 6: Identifying No. 2 Water By-Pass Pipe Together With Water Hose
    G05152692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. DISCONNECT FUEL RETURN TUBE  (See REMOVAL )
  12. DISCONNECT FUEL MAIN TUBE  (See REMOVAL )
  13. REMOVE INTAKE MANIFOLD ASSEMBLY 
    1. Disconnect the throttle position sensor and control motor connector.
    2. Disconnect the 2 water by-pass hoses from the throttle body.
      Fig 7: Identifying Water By-Pass Hoses From Throttle Body
      G05152693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the No. 1 ventilation hose from the ventilation valve on the LH cylinder head.
      Fig 8: Identifying No. 1 Ventilation Hose
      G05152694Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the purge VSV connector.
    5. Fig 9: Identifying Purge VSV Connector
      G05152695Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Disconnect the purge line hose from the purge VSV.
    7. Disconnect the VSV connector.
      Fig 10: Identifying VSV Connector
      G05152696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Disconnect the 2 wire clamps from the wire bracket and engine hanger.
    9. Remove the bolt and wire bracket from the intake manifold.
      Fig 11: Identifying Wire Bracket From Intake Manifold
      G05152697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. Disconnect the 2 wire clamps from the wire clamp bracket on the RH delivery pipe.
    11. Fig 12: Identifying Wire Clamps
      G05152698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    12. Disconnect the 8 injector connectors.
    13. Remove the 2 bolts and disconnect the engine wire protector.
      Fig 13: Identifying Engine Wire Protector And Bolts
      G05152699Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    14. Remove the 6 bolts, 4 nuts, intake manifold and 2 gaskets.
      Fig 14: Identifying Intake Manifold Bolts And Nuts
      G05152700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE THROTTLE BODY ASSEMBLY 
    1. Remove the nut, 3 bolts, throttle body and gasket.
    2. Fig 15: Identifying Throttle Body Assembly Bolts
      G05152701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE NO. 1 VENTILATION HOSE 
  16. REMOVE PURGE VSV 
    1. Disconnect the purge line hose from the intake manifold.
    2. Remove the bolt and purge VSV.
  17. REMOVE VACUUM SWITCHING VALVE ASSEMBLY (for ACIS)  (see REMOVAL  )
  18. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY  (See REMOVAL )
    Fig 16: Identifying Purge Line Hose From Intake Manifold
    G05152702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002