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Ignition Coil And Spark Plug: Removal

  1. REMOVE COWL TOP VENTILATOR LOUVER RH  (See REMOVAL )
  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
    NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
  3. REMOVE V-BANK COVER SUB-ASSEMBLY  (See REMOVAL )
  4. REMOVE AIR CLEANER INLET COVER  (See REMOVAL )
  5. REMOVE ENGINE ROOM SIDE COVER LH  (See REMOVAL )
  6. REMOVE ENGINE ROOM SIDE COVER RH  (See REMOVAL )
  7. REMOVE NO. 1 AIR CLEANER INLET  (See REMOVAL )
  8. REMOVE SKID CONTROL ECU  (See REMOVAL )
  9. REMOVE SKID CONTROL ECU BRACKET  (See INSTALLATION )
  10. REMOVE BATTERY 
    1. Disconnect the positive (+) battery cable from the battery terminal.
    2. Disconnect the battery cable clamp.
    3. Fig 1: Locating Battery Cable Clamp
      G04943800Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the nut, battery clamp and No. 2 battery clamp bolt.
    5. Remove the battery insulator.
    6. Remove the battery.
  11. REMOVE BATTERY TRAY 
    1. Remove the 3 bolts and battery tray.
    2. Fig 2: Locating Battery Tray Bolts
      G04943801Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE AIR CLEANER ASSEMBLY LH  (See REMOVAL )
  13. REMOVE AIR CLEANER ASSEMBLY RH  (See REMOVAL )
  14. REMOVE IGNITION COIL ASSEMBLY 
    1. Disconnect the 8 ignition coil connectors.
    2. Remove the 8 bolts.
      Fig 3: Identifying Ignition Coil Connectors Bolts
      G04943802Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using a screwdriver, pry at the cutouts to remove the 8 ignition coils together with the 8 spark plug tube gaskets.
      NOTE: Do not damage the cylinder head cover when removing the spark plug tube gasket.

      HINT:

      Tape the screwdriver tip before use.

      Fig 4: Removing Ignition Coils
      G04943803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE SPARK PLUG 
    1. Using a 16 mm plug wrench, remove the 8 spark plugs.
      Fig 5: Installing Spark Plugs
      G04943804Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002