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George H.
George H., ASE Certified Technician
Category: Chevy
Satisfied Customers: 18818
Experience:  GM Tech ASE Master Tech 15+ years
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2005 chevy cavalier: fuel pressure regulator..leaking..the fuel lines

Resolved Question:

i have a 2005 chevy cavalier my fuel pressure regulator is leaking im going to change it is there any thing special i need to no about the repair itself like bleeding the fuel lines or something?
Submitted: 7 years ago.
Category: Chevy
Expert:  George H. replied 7 years ago.

Hello I will help you with your question,


Yes it is a fairly easy job. Here is the service information, look it over and let me know if you have questions about the procedure




  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.

  1. Disconnect the vacuum pipe from the fuel pressure regulator.
  2. Place a shop towel under the fuel pressure regulator in order to catch any fuel spillage.

  1. Remove the retaining bolt (1) from the fuel pressure regulator.

  1. Remove the fuel pressure regulator.
  2. Remove any seal or seal material left on the fuel rail.


  1. Install the fuel pressure regulator to the fuel rail IMPORTANT: Lubricate the O-ring with clean engine oil before installation.

  1. Install the fuel pressure regulator retaining bolt. NOTE: Refer to Fastener Notice in Service Precautions. Tighten the retaining bolt to 10 N.m (89 lb in) .

  1. Connect the vacuum pipe to the fuel pressure regulator.
  2. Connect the negative battery cable.
  3. Inspect for leaks using the following procedure:
  1. Turn ON the ignition, with the engine OFF for 2 seconds .
  2. Turn OFF the ignition for 10 seconds .
  3. Turn ON the ignition.
  4. Inspect for fuel leaks.
  1. Place the shop towel into a suitable storage container.

To relieve the fuel pressure you can pull the fuel pump relay from the fuse block and crank the engine or you can lay a shop rag over the connector as you remove it from the rtegulator.


Let me know what I can do to help you with this


Thank you



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