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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 297 (Engine Control System & Fuel System - 2.9L - Introduction, Service & Repair) >> Repair Instructions >> Knock Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle only high enough to access the knock sensor (KS) through the wheelhouse. Refer to Lifting and Jacking the Vehicle .
  2. Remove the left wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
    3. Fig 1: View Of KS Engine Wiring Harness Connector
    GM1352023Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the engine wiring harness electrical connector (3) from the KS (1).
  4. Remove the KS retaining bolt.
  5. Remove the KS (1) from the engine block.
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