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Home >> Isuzu >> 2007 >> Ascender RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 470 (Engine Control System & Fuel System - 4.2L - Introduction) >> Repair Instructions >> Knock Sensor Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Knock Sensor Components
    GM727528Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Component Fastener Tightening Caution .
  1. Install the knock sensor (1 or 2) and the bolt (3). 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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