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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 906 (Engine Mechanical - 4.3L (LU3)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Oil Pressure Sensor and/or Switch Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Clean the area around the sensor and Distributor before removal. Do not allow debris to enter the engine.

  1. Remove the distributor. Refer to DISTRIBUTOR in Removal and Installation in Engine Performance.
  2. Disconnect the engine oil pressure sensor electrical connector.
  3. Remove the engine oil pressure sensor using the J 41712  .
    Fig 1: Removing Engine Oil Pressure Sensor
    G01977624Courtesy of GENERAL MOTORS CORP.

    Important:  Note the alignment of the engine oil pressure sensor fitting prior to removal.

  4. Remove the engine oil pressure sensor fitting, if necessary.
    Fig 2: Removing Engine Oil Pressure Sensor Fitting
    G01977625Courtesy of GENERAL MOTORS CORP.
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