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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 976 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Exhaust Gas Recirculation (EGR) Valve Vacuum Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  2. Disconnect the exhaust gas recirculation (EGR) valve vacuum sensor electrical connector (1).
    3. Fig 1: EGR Valve Vacuum Sensor Electrical Connector
    GM788835Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the EGR valve vacuum sensor vacuum line.
  4. Remove the EGR valve vacuum sensor from the bracket.
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