GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 82225  Size: SH

    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. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Disconnect the electrical connector from the engine oil pressure sensor.
  4. Remove the engine oil pressure switch.

Installation Procedure


    Object Number: 82225  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 pressure switch.
  2. Tighten
    Tighten the switch to 16 N·m.

  3. Connect the electrical connector to the engine oil pressure switch.
  4. Lower the vehicle.
  5. Connect the negative battery cable.