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Home >> GMC >> 2001 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls - 4.3L - Repair Instructions) >> Repair Instructions >> Knock Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Locating Knock Sensor & Retaining Bolt
    GM679284Courtesy of GENERAL MOTORS COMPANY
  1. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the knock sensor (2) and bolt (1).

    Tighten 

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

  2. Connect the knock sensor harness connector (3).
  3. Install the distributor. Refer to Distributor Replacement .
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