GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Riviera 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Oil Level Indicator Tube Replacement

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.

    2. Object Number: 42229 Size: SH
  2. Loosen the nut holding the tube to the exhaust manifold.
  3. Pull upward on the tube.
  4. Remove the oil level indicator and the tube.

Installation Procedure

    Object Number: 42229 Size: SH
  1. Install the tube assembly to the engine.
    2. 1.1. Make sure the o-ring is in place.
    1.2. Make sure you fully seat the tube assembly in the engine.

    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.

  2. Slide the tube assembly under the exhaust manifold nut.

    3. Tighten
    Tighten the exhaust manifold nut to 19 N·m  (14 lb ft).

  3. Connect the negative battery cable.