LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> LS 430 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Ignition >> Ignition Coil >> Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Coil: Replacement

  1. REMOVE V-BANK COVER 
  2. REMOVE ENGINE ROOM SIDE COVER 
  3. REMOVE INTAKE AIR CONNECTOR PIPE 
  4. REMOVE OIL LEVEL GAGE SUB-ASSY (See  REPLACEMENT  ) 
  5. REMOVE IGNITION COIL ASSY 
    1. Disconnect the ignition coil connector.
    2. Remove the bolt and pull out the ignition coil.
      Fig 1: Locating Ignition Coil Connector
      G01051902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL IGNITION COIL ASSY 
    1. Connect a new ignition coil to the spark plug, attach the ignition coil to the cylinder head cover, and install the bolt.

      Torque: 7.5 N.m (76 kgf.cm, 66 in. lbf) 

    2. Connect the ignition coil connector.
  7. INSTALL OIL LEVEL GAGE SUB-ASSY (See  REPLACEMENT  ) 
  8. INSTALL INTAKE AIR CONNECTOR PIPE 
  9. INSTALL V-BANK COVER 
  10. INSTALL ENGINE ROOM SIDE COVER