GM Service Manual Online
For 1990-2009 cars only

Engine Oil Level Sensor Replacement w/3.5L

Removal Procedure


    Object Number: 235247  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  3. Disconnect the electrical connector from engine oil level sensor.
  4. Remove the engine oil level sensor from the oil pan.

Installation Procedure


    Object Number: 235247  Size: SH
  1. Install the engine oil level sensor into the oil pan.
  2. 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.

  3. Install the engine oil level sensor bolt.
  4. Tighten
    Tighten the engine oil level sensor bolt to 9 N·m (80 lb in).

  5. Connect the electrical connector to the engine oil level sensor.
  6. Lower the vehicle.
  7. Fill the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  8. Inspect for oil leaks after engine start up.

Engine Oil Level Sensor Replacement w/4.0L

Removal Procedure


    Object Number: 204585  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  3. Disconnect the electrical connector from engine oil level sensor.
  4. Remove the engine oil level sensor (1) from the oil pan.

Installation Procedure

    Notice: Refer to Component Fastener Tightening Notice in the Preface section.


    Object Number: 204585  Size: SH
  1. Install the engine oil level sensor (1).
  2. Tighten
    Tighten the engine oil level sensor to 34 N·m (25 lb ft).

  3. Connect the electrical connector to the engine oil level sensor.
  4. Lower the vehicle.
  5. Fill the engine oil to the full mark. Refer to Engine Oil and Oil Filter Replacement .
  6. Inspect for oil leaks after engine start up.