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Home >> Chevrolet >> 2009 >> TrailBlazer 6.0 H, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L & 6.0L - Introduction >> Repair Instructions >> Knock Sensor Replacement (Left Side) >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying Knock Sensor, Engine Harness & Engine Block - Left Side
    GM1480894Courtesy of GENERAL MOTORS CORP.
  1. Reconnect the engine harness (3) and the knock sensor (2) electrical connectors.
  2. Position the knock sensor 2 on the engine block (4).
  3. Install the mounting bolt (1) for the knock sensor 2.
    4. CAUTION: Refer to Fastener Caution .
  4. Tighten the knock sensor mounting bolt (1) to 20 N.m (15 lb ft).
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