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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Engine Controls - Removal & Installation) >> Fuel Systems (CNG) >> Low Pressure Regulator >> Removal

Low Pressure Regulator: Removal

WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Relieve the CNG fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE (CNG) .
  2. Remove the battery, air cleaner outlet duct and the air cleaner assembly.
  3. Disconnect the fuel line from the LPL fuel inlet elbow. See Figure.
  4. Remove the retaining bolt from the fuel pressure regulator.
  5. Remove the fuel feed hose from the LPR using a twisting motion.
  6. Disconnect the LPL harness connector.
  7. Remove the LPR/LPL mounting bracket nuts.
  8. Remove the LPR/LPL assembly from the vehicle.
  9. Remove the LPR and LPL mounting bolts.
  10. Remove the LPR/LPL assembly from the mounting bracket.
  11. While holding the union with a wrench, rotate the LPL to separate the components. See Figure.