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Home >> GMC >> 2001 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L - 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 .
    2. Fig 1: View Of Fuel Pressure Regulator Vacuum Line
    GM665447Courtesy of GENERAL MOTORS COMPANY
  2. Disconnect the fuel pressure regulator vacuum line (1).
  3. Clean any dirt from the fuel pressure regulator retainer and the surrounding area.
    4. Fig 2: View Of Fuel Rail & Related Components
    GM705539Courtesy of GENERAL MOTORS COMPANY
  4. Remove the fuel pressure regulator retainer (9).

    Remove the fuel pressure regulator (8) from the fuel pressure regulator housing.

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