GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Oil Level Indicator Tube Replacement

Removal Procedure

    Object Number: 405812 Size: SH
  1. Remove the oil level indicator.
  2. Remove the oil level indicator tube bracket nut.
  3. Remove the oil level indicator tube.

Installation Procedure

    Object Number: 405812 Size: SH
  1. Make sure that the O-ring is in place and install the oil indicator tube to the engine.
  2. Install the oil indicator tube bracket to the exhaust manifold stud.

    3. 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 oil level indicator tube bracket nut.

    4. Tighten
    Tighten the nut to 19 N·m (14 lb ft).

  4. Install the oil level indicator.
  5. Check and fill the engine oil as necessary.