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Home >> Chevrolet >> 2005 >> Blazer 2D Utility, 4WD, Part Time, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - (Introduction) Specifications & Repair Instructions) >> Repair Instructions >> Fuel Pressure Regulator Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 GMC Safari and 2005 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  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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