LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> GS 430 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (3UZ-FE) >> Knock Sensor >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Knock Sensor: Installation

  1. INSTALL KNOCK SENSOR 
    1. Install the 2 knock sensors with the 2 nuts, as shown in the illustration.
      Fig 1: Identifying Knock Sensor
      G04027229Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

    2. Connect the 2 knock sensor connectors.
  2. INSTALL INTAKE MANIFOLD ASSEMBLY 
    1. Install the intake manifold (ON-VEHICLE INSPECTION ).
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  4. PERFORM INITIALIZATION 
    1. Perform initialization (INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
  5. ADD ENGINE COOLANT ( ON-VEHICLE INSPECTION  ) 
  6. CHECK FOR ENGINE COOLANT LEAKS 
    1. Check for engine coolant leaks (ON-VEHICLE INSPECTION ).
  7. CHECK FOR FUEL LEAKS ( REMOVAL  )