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Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1243 (Engine Controls/Fuel - 6.2L - Repair Instructions) >> Repair Instructions >> Knock Sensor 1 Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2013 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Knock Sensor, Engine Harness & Engine Block - Left Side
    GM1480894Courtesy of GENERAL MOTORS COMPANY
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Coupe) , Battery Negative Cable Disconnection and Connection (Sedan,Wagon) .
  2. Remove the left catalytic convertor. Refer to Catalytic Converter Replacement - Left Side (LSA) , Catalytic Converter Replacement - Left Side (LFW,LFX) .
  3. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side (LSA) .
  4. Remove the mounting bolt for the knock sensor 1.
  5. Disconnect the electrical connector of the knock sensor from the engine harness (3).
  6. Remove the knock sensor (2) from the engine block (4).
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