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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 Service Valve 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 Rail & Related Components
    GM705539Courtesy of GENERAL MOTORS COMPANY
  2. Clean the area around the fuel pressure connection with GM X-30A or equivalent.
  3. Remove the fuel pressure connection core (2) using a standard valve core removal and installation tool.
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