GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Century (China) (CNG) 🢒 Engine 🢒 Engine Controls - 3.0L (L46) 🢒 Engine Oil Level Sensor and/or Switch Replacement

Removal Procedure
  1. Turn OFF the ignition.

    2. Object Number: 16126 Size: SH
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in general information.
  3. Drain the engine oil.
  4. Disconnect the electrical connector from the Engine Oil Level Switch.
  5. Remove the Engine Oil Level Switch from the oil pan.

Installation Procedure

    Object Number: 16126 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 Engine Oil Level Switch.

    2. Tighten
    Tighten the switch to 17-27 N·m (13-20 lb ft).

  2. Connect the electrical connector.
  3. Lower the vehicle.
  4. Add engine oil to the correct level.