GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41712 Oil Pressure Sending Unit Socket

Removal Procedure


    Object Number: 337977  Size: SH
  1. Remove the engine cover from the vehicle. Refer to Engine Cover Replacement in Interior Trim.
  2. Remove the electrical connector from the oil pressure sending unit.
  3. Use the J 41712 to remove the oil pressure sending unit from the engine block.

Installation Procedure


    Object Number: 337977  Size: SH
  1. Use the J 41712 to install the oil pressure sending unit to the engine block.
  2. 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 electrical connector to the oil pressure sending unit.
  4. Tighten
    Tighten the oil sending unit to 12 N·m (9 lb ft)

  5. Install the engine cover in the vehicle. Refer to Engine Cover Replacement in Interior Trim.