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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Engine Mechanical - 3.9L) >> 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 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Oil Pressure Sensor & Knock Sensor Electrical Connectors
GM1675553Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the radiator air baffle. Refer to RADIATOR AIR BAFFLE ASSEMBLIES AND DEFLECTORS .
  4. Disconnect the engine harness electrical connector (2) from the engine oil pressure sensor.
    5. Fig 2: Identifying Engine Oil Pressure Sensor
    GM1677392Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine oil pressure sensor.
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