GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41712 Oil Pressure Sensor Socket

Removal Procedure


    Object Number: 63936  Size: SH
  1. Remove the left engine sight cover. Refer to Upper Intake Manifold Sight Shield Replacement.
  2. Clean area around the oil sensor/switch before removing it.
  3. Remove the vacuum hose for the power brake booster.

  4. Object Number: 1656451  Size: SH
  5. Disconnect the electrical connector for the oil pressure sensor/switch (2).

  6. Object Number: 1658870  Size: SH
  7. Using the J 41712 (1) , remove the oil pressure sensor/switch.

Installation Procedure


    Object Number: 1658870  Size: SH
  1. If installing the old sensor, apply threadlocker sealant. Refer to Diagnostic Starting Point - Engine Mechanical for the correct part number.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Using the J 41712 (1), install the oil pressure sensor/switch.
  4. Tighten
    Tighten the engine oil pressure sensor to 20 N·m (15 lb ft).


    Object Number: 1656451  Size: SH
  5. Reconnect the oil pressure sensor/switch electrical connector (2).

  6. Object Number: 63936  Size: SH
  7. Install the vacuum hose for the power brake booster.
  8. Install the left engine sight cover. Refer to Upper Intake Manifold Sight Shield Replacement.