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Home >> Buick >> 2003 >> Regal LS >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 3.8L >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Oil Level Sensor and/or Switch Replacement >> Installation Procedure
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Installation Procedure

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  1. Install the engine oil level sensor to the oil pan.

    Tighten 

    Tighten the sensor to 20 N-m (15 lb ft).

    Fig 1: Installing Engine Oil Level Sensor To Oil Pan
    G01969262Courtesy of GENERAL MOTORS CORP.
  2. Connect the oil level sensor electrical connector.
  3. Install the engine oil drain plug.

    Tighten 

    Tighten the plug to 30 N-m (22 lb ft).

    Fig 2: Installing Engine Oil Drain Plug
    G01969263Courtesy of GENERAL MOTORS CORP.
  4. Lower the vehicle.
  5. Fill the crankcase with engine oil. Refer to ENGINE OIL AND OIL FILTER REPLACEMENT  .