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Home >> Chevrolet >> 2004 >> Suburban C2500, 8.1 G >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L (Introduction) >> Repair Instructions >> Knock Sensor (KS) 1 Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of Knock Sensor 1
    GM858224Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the knock sensor.

    Tighten:  Tighten the sensor to 20 N.m (15 lb ft)

    2. Fig 2: View Of Knock Sensor 1 Electrical Connector
    GM1236369Courtesy of GENERAL MOTORS CORP.
  2. Connect the knock sensor electrical connector (4).
  3. Fill the cooling system/engine block. Refer to Draining and Filling Cooling System in Engine Cooling.
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