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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (Diesel) >> Repair Instructions >> Fuel Pressure Regulator Replacement >> Removal Procedure
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Removal Procedure

    CAUTION: Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.
    Fig 1: View Of Fuel Rail
    GM1820531Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement .
  2. Clean the interface area of the rail regulator using proper degreasing materials and compressed air for drying.
    3. IMPORTANT: Cleaning material must not penetrate the electric connector.
  3. Loosen the pressure regulator using a commercial wrench WAF30. Grasp it by hand and pull it out while simultaneously turning it counterclockwise.
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