GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Monte Carlo 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Oil Level Indicator Switch Replacement

Removal Procedure

Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.

    2. Object Number: 17081 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 engine oil level switch
  5. Remove the engine oil level switch from the oil pan.

Installation Procedure

    Object Number: 17081 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 oil pressure sensor to 16 N·m (i40 lb in).

  2. Lower the vehicle.
  3. Add the engine oil to the correct level. For the crankcase oil capacity, refer to General Information.

    4. Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

  4. Reconnect the negative battery cable.