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Home >> Acura >> 1992 >> Vigor GS, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Ignition System >> Knock Sensor >> Rear Knock Sensor Replacement
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Rear Knock Sensor Replacement

  1. Get the customer's anti-theft radio code. Write down the radio station presets.
  2. Disconnect the battery negative terminal.
  3. Locate the intake air bypass control solenoid underneath the rear of the intake manifold. Pull the solenoid and its vacuum tank loose from their mounting bracket.
    Fig 1: Air Bypass Control Solenoid
    G95B52275Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Position the solenoid and tank so you can see the rear knock sensor. Disconnect the electrical connector from the sensor, then remove the sensor with a 24 mm socket on a universal extension. See Fig 2
    Fig 2: Rear Knock Sensor Removal
    G95C52276Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Install the new knock sensor and tighten it to 25 Ft lbs. (34 N.m). Reconnect the electrical connector.
  6. Reinstall the IAB solenoid and tank back on the bracket.
  7. Reconnect the battery negative terminal.
  8. Enter the radio anti-theft code and the customer's station presets.
  9. Reset the clock.
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