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Home >> GMC >> 2004 >> Sierra 2500, 4D Pickup, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls - 4.3L (Introduction)) >> Repair Instructions >> Fuel Pressure Regulator Replacement >> Removal Procedure

Removal Procedure

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  1. Remove the upper intake manifold. Refer to Intake Manifold Replacement - Upper in Engine Mechanical-4.3L.
  2. Remove the fuel pressure regulator retaining clip (5).
  3. Twist and pull the fuel pressure regulator (6) in order to remove the regulator from the housing using a shop towel to catch any spilled fuel.
  4. Remove and discard the regulator seal O-ring (10).
  5. Remove and discard the regulator filter (9).
  6. Remove and discard the regulator seal O-ring (8).
  7. Remove and discard the regulator seal backup ring (7).
    8. Fig 1: View Of Fuel Meter Body Assembly Components
    GM821586Courtesy of GENERAL MOTORS CORP.
  8. Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system.
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