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Home >> Lexus >> 2003 >> GS 300 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition (2JZ-GE) >> Ignition Coil >> Removal

Ignition Coil: Removal

  1. REMOVE INTAKE AIR RESONATOR 
  2. REMOVE NO. 3 TIMING BELT COVER 

    Using a 5 mm hexagon wrench, remove the 4 bolts, oil filler cap, NO. 3 timing belt cover and gasket.

  3. DISCONNECT THROTTLE BODY FROM INTAKE AIR CONNECTOR WITHOUT DISCONNECTING WATER BYPASS HOSES 
    1. Disconnect the accelerator cable.
    2. Disconnect the throttle position sensor connector.
    3. Disconnect the throttle control motor connector.
    4. Disconnect the accelerator pedal position sensor connector.
    5. Disconnect the engine wire clamp from the clamp bracket of the throttle body.
    6. Remove the 2 bolts and nut holding the throttle body to the intake air connector.

      Torque: 21 N.m (210 kgf.cm, 15 ft.lbf) 

    7. Remove the 4 nuts and the throttle body bracket.

      Torque: 21 N.m (210 kgf.cm, 15 ft.lbf) 

      Fig 1: Identifying Throttle Body Bracket Nuts
      G02943759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Disconnect the water bypass hose from the hose clamp on the oil filter bracket,
    9. Slightly slide the throttle body away from the intake air connector
      Fig 2: Disconnecting Water Bypass Hose From Hose Clamp On Oil Filter Bracket
      G02943760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE THROTTLE BODY GASKET 

    Remove the 3 bolts and throttle body gasket.

    Torque: 21 N.m (210 kgf.cm, 15 ft.lbf) 

    Fig 3: Identifying Throttle Body Gasket Bolts
    G02943761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE IGNITION COILS AND HIGH - TENSION CORDS SET ASSEMBLY 
    1. Disconnect the 3 connectors from the ignition coils.
    2. Remove the 2 bolts, and disconnect the clamps from the engine wire.
      Fig 4: Identifying Engine Wire Clamps Bolts
      G02943762Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 3 bolts, the ignition coils and high - tension cord set assembly.

      Torque: 8.0 N.m (80 kgf.cm, 71 in.lbf) 

      Fig 5: Identifying Ignition Coils And High - Tension Cord Set Assy Bolts
      G02943763Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE IGNITION COILS FROM HIGH - TENSION CORD SET 
    Fig 6: Removing Ignition Coils From High - Tension Cord Set
    G02943764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002