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Home >> Chevrolet >> 2009 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System & Fuel System - 4.3L - Introduction) >> Repair Instructions >> Knock Sensor 1 Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Knock Sensor & Bolt
    GM1877015Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  1. Position the knock sensor to the engine block and install the bolt. Tighten to 25 N.m (18 lb ft)
    2. Fig 2: Identifying Knock Sensor Wiring Harness Electrical Connector
    GM1950124Courtesy of GENERAL MOTORS CORP.
  2. Connect the engine wiring harness electrical connector (1) to the knock sensor.
  3. Position the knock sensor sleeve up and over the knock sensor, if equipped.
  4. Lower the vehicle.
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