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Home >> GMC >> 2004 >> Jimmy 2D Utility, Automatic, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.3L (Introduction) >> Repair Instructions >> Fuel Pressure Regulator Replacement (4.3L (RPO LU3) Engine) >> Removal Procedure
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Removal Procedure

  1. Remove the upper intake manifold. Refer to Intake Manifold Replacement - Upper in Engine Mechanical-4.3L.
    2. Fig 1: Locating Fuel Pressure Regulator Components - 4.3L (RPO LU3)
    GM821586Courtesy of GENERAL MOTORS CORP.
  2. Remove the fuel pressure regulator retainer 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 backup ring (7).
  8. Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system.
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