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Home >> Chevrolet >> 2005 >> Astro Van Cargo, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - (Introduction) Specifications & Repair Instructions >> Repair Instructions >> Fuel Pressure Regulator Replacement >> Removal Procedure
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Removal Procedure

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure  in Engine Controls.
    2. Fig 1: Identifying Fuel Pressure Regulator Components
    GM830255Courtesy of GENERAL MOTORS CORP.
  2. Remove the upper intake manifold assembly. Refer to Intake Manifold Replacement - Upper in Engine Mechanical-4.3L.
  3. Remove the fuel pressure regulator retainer clip (5).
  4. Pull and twist the fuel pressure regulator (6) in order to remove the fuel pressure regulator from the fuel pressure regulator housing using a shop towel to catch any spilled fuel.
  5. Remove the regulator seal lower O-ring (3).
  6. Remove the regulator assembly filter (2).
  7. Remove the regulator seal upper O-ring (1).
  8. Remove the regulator seal backup ring (7).
  9. Discard the O-rings.
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