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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 >> Boost Sensor Replacement (Federal Emissions) >> 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. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  2. Disconnect the boost sensor electrical connector (2).
  3. Remove the boost sensor bracket nut (4).
  4. Lift the coolant tube (1) off of the stud and move it out of the way.
    5. Fig 1: Coolant Tube, Boost Sensor Electrical Connector & Bracket Nut
    GM740438Courtesy of GENERAL MOTORS CORP.
  5. Remove the boost sensor (2) with bracket (1).
    6. Fig 2: Boost Sensor & Bracket
    GM740442Courtesy of GENERAL MOTORS CORP.
  6. Remove the sensor from the bracket.
  7. Inspect the boost sensor seal for damage, replace as necessary.
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