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Home >> Toyota >> 2021 >> 4Runner TRD Pro >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> Knock Sensor >> Removal [08/2015 - ] >> Procedure
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Removal [08/2015 - ]: Procedure

  1. REMOVE CYLINDER HEAD SUB-ASSEMBLY (for Bank 1) 
    1. Remove the cylinder head (Refer to REMOVAL [08/2015 - ] ).
  2. REMOVE NO. 1 WATER OUTLET PIPE 
    1. Detach the 3 wire harness clamps.
      GTY212342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 nuts, bolt and water outlet pipe.
  3. REMOVE KNOCK SENSOR 
    1. Disconnect the 2 sensor connectors.
      GTY191273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and 2 sensors.
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