GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 894302  Size: SH

    Caution: Do not allow smoking or the use of open flames in the area where work on the fuel or EVAP system is taking place. Anytime work is being done on the fuel system, disconnect the negative battery cable, except for those tests where battery voltage is required.

    Caution: Whenever fuel line fittings are loosened or removed, wrap a shop cloth around the fitting and have an approved container available to collect any fuel.

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Disconnect the vacuum line.

  3. Object Number: 892758  Size: SH
  4. Remove the retaining bolts.
  5. Remove the fuel pressure regulator.

Installation Procedure

  1. Oil the O-rings on the fuel pressure regulator.
  2. Install the fuel pressure regulator into the fuel rail.

  3. Object Number: 892759  Size: SH
  4. Install the fuel pressure regulator clamp and retaining bolt. Tighten the bolt until the clip comes together.
  5. Energize the fuel system.
  6. Start the engine and inspect for leaks.