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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System 3.8L (Introduction) >> Repair Instructions >> Fuel Pressure Regulator Replacement >> Removal Procedure
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Removal Procedure

IMPORTANT: Always maintain cleanliness when servicing fuel system components.
  1. Relieve the fuel pressure. Refer to Fuel Pressure Relief Procedure .
  2. Clean any dirt from the fuel pressure regulator retaining ring.
  3. Remove the vacuum line from the pressure regulator.
    4. Fig 1: View Of Vacuum Line At Pressure Regulator
    GM155470Courtesy of GENERAL MOTORS CORP.
  4. Remove the snap ring (7).
  5. Using a shop towel to catch any spilled fuel; lift and twist the fuel pressure regulator in order to remove the fuel pressure regulator (6) from the fuel pressure regulator housing (1).
  6. Remove the small regulator O-ring (2).
  7. Remove the regulator O-rings (4,5).
  8. Cover the fuel pressure regulator housing (1) to prevent contamination from entering the fuel system.
    9. Fig 2: Exploded View Of Fuel Pressure Regulator
    GM12396Courtesy of GENERAL MOTORS CORP.
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