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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System 3.4L (Introduction)) >> Repair Instructions >> Knock Sensor (KS) Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: DO NOT apply thread sealant to the sensor threads. The sensor threads are coated at the factory. Applying additional sealant affects the sensors ability to detect detonation.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the knock sensor.

    Tighten:  Tighten the knock sensor to 19 N.m (14 lb ft).

  2. Connect the knock sensor wiring harness electrical connector.
  3. Lower the vehicle.
  4. Fig 1: Installing Knock Sensor
    GM15945Courtesy of GENERAL MOTORS CORP.