Removal Procedure
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027 - LY7) or Fuel Pressure Relief (Without CH 48027 - LY7) or Fuel Pressure Relief (With High Pressure Pump - LLT) .
- Remove the cross vehicle brace. Refer to Cross Vehicle Brace Replacement .
- Remove the intake manifold. Refer to Intake Manifold Replacement .
- Remove the foam insulator from the fuel rails.
- Disconnect the fuel injector wiring harness electrical connector (1) from the fuel injection fuel rail fuel pressure sensor.
- Place a clean shop towel under the fuel injection fuel rail pressure sensor to fuel rail location.
- Using a 27 mm socket, remove the fuel pressure sensor (1) from the fuel injection fuel rail (2). Discard the fuel pressure sensor.
- Allow any fuel to drain from the fuel rail and pressure sensor location.
- Dry the sealing cone in the fuel rail and the area around the sensor joint with a lint free cloth.
- Inspect the sealing cone in the fuel rail. The surface should be free of fuel, debris, and burrs.
IMPORTANT:
Applying force to the plastic housing of the sensor will destroy the sensor. To tighten or loosen, only apply force to the attached hexagon.