GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 217098  Size: SH

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  3. Clean any dirt from the fuel pulse dampener retaining ring.
  4. Remove the fuel pulse dampener retaining ring.
  5. Discard the fuel pulse dampener retaining ring.
  6. Remove the fuel pulse dampener from the fuel rail.
  7. Remove the fuel pulse dampener O-ring.
  8. Discard the fuel pulse dampener O-ring.

Installation Procedure


    Object Number: 217098  Size: SH
  1. Install the new O-ring on the fuel pulse dampener.
  2. Lubricate the fuel pulse dampener O-ring with clean engine oil.
  3. Push the fuel pulse dampener into the fuel rail.
  4. Install the new fuel pulse dampener retaining ring.
  5. Tighten the fuel filler cap.
  6. Connect the negative battery cable.
  7. Inspect for leaks.
  8. 7.1. Turn ON the ignition for 2 seconds.
    7.2. Turn OFF the ignition for 10 seconds.
    7.3. Turn ON the ignition.
    7.4. Check for fuel leaks.
  9. Perform the Idle Learn Procedure. Refer to Idle Learn .