GM Service Manual Online
For 1990-2009 cars only

Engine Oil Level Sensor Replacement 5.7L

Removal Procedure


    Object Number: 178467  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the oil pan drain plug.
  3. Completely drain the engine oil.
  4. Disconnect the engine oil level sensor electrical connector.
  5. Remove the engine oil level sensor.

Installation Procedure


    Object Number: 178467  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the drain plug to the oil pan.
  2. Tighten
    Tighten the drain plug to 25 N·m (18 lb ft).

  3. Install the engine oil level sensor.
  4. Tighten
    Tighten the engine oil level sensor to 13 N·m (115 lb in).

  5. Connector the engine oil level sensor electrical connector.
  6. Lower the vehicle.
  7. Refill the engine with oil.

Engine Oil Level Sensor Replacement 3.8L

Removal Procedure


    Object Number: 190564  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the engine oil drain plug in order to drain the engine oil.

  3. Object Number: 440880  Size: SH
  4. Disconnect the oil level sensor electrical connector (1).

  5. Object Number: 441263  Size: SH
  6. Remove the oil level sensor from the oil pan.

Installation Procedure


    Object Number: 441263  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the oil level sensor from the oil pan.
  2. Tighten
    Tighten the oil level sensor to 20 N·m (15 lb ft).


    Object Number: 440880  Size: SH
  3. Connect the oil level sensor electrical connector (1).

  4. Object Number: 190564  Size: SH
  5. Install the engine oil drain plug.
  6. Tighten
    Tighten the engine oil drain plug to 30 N·m (22 lb ft).

  7. Refill the engine with oil.
  8. Lower the vehicle.