GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2003 🢒 H2 🢒 Body and Accessories 🢒 Instrument Panel, Gages, and Console 🢒 Engine Oil Level Sensor and/or Switch Replacement

Removal Procedure

    Object Number: 662991 Size: SH
  1. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  2. Disconnect the oil level sensor electrical connector (6).

    3. Object Number: 260123 Size: SH
  3. Remove the oil level sensor from the oil pan.

Installation Procedure

    Object Number: 260123 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 to the oil pan.

    2. Tighten
    Tighten the oil level sensor to 13 N·m (115 lb in).


    Object Number: 662991 Size: SH
  2. Connect the oil level sensor electrical connector (6).
  3. Fill the engine oil. Refer to Engine Oil and Oil Filter Replacement .