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Home >> Pontiac >> 2005 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Engine Control System 3.8L (Introduction)) >> Repair Instructions >> Knock Sensor (KS) 1 Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: DO NOT apply thread sealant to sensor threads. The sensor is coated at factory and applying additional sealant will affect the sensors ability to detect detonation.
  1. Install the knock sensor (1).

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

  2. Connect the knock sensor electrical connector (2).
  3. Fig 1: Installing KS Sensor (1)
    GM892627Courtesy of GENERAL MOTORS CORP.
  4. Lower the vehicle.
  5. Fill the cooling system. Refer toDraining and Filling Cooling System in Engine Cooling.