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Home >> Chevrolet >> 2004 >> Epica LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 2.0L (L34 GMDAT) - Repair Instructions >> Repair Instructions >> Fuel Pressure Regulator Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Fuel Pressure Regulator Retaining Clamp
    GM1256150Courtesy of GENERAL MOTORS CORP.
  1. Lubricate a new O-ring. Install the new O-ring onto the fuel pressure regulator body.
  2. Insert the fuel pressure regulator into the fuel rail body.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the fuel pressure regulator retaining clamp.

    Tighten:  Tighten the fuel pressure regulator retaining clamp to 12 N.m (106 lb in)  .

    4. Fig 2: Identifying Fuel Pressure Regulator
    GM1256148Courtesy of GENERAL MOTORS CORP.
  4. Connect the vacuum hose to the fuel pressure regulator.
  5. Install the air intake tube.
  6. Connect the breather hose to the valve cover.
  7. Connect the IAT sensor connector.
  8. Connect the negative battery cable.
  9. Perform a leak test of the fuel pressure regulator with the engine off and the ignition ON.
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