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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 119 (Engine Control System - 4.2L (Introduction)) >> Repair Instructions >> Knock Sensor (KS) Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing Knock Sensors
    GM727528Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Component Fastener Tightening Notice in Cautions and Notices.
  1. Install the knock sensor (1 or 2) and the bolt (3).

    Tighten:  Tighten the sensor to 25 N.m (18 lb ft).

  2. Connect the knock sensor harness connector (4).
  3. Lower the vehicle.
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