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Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 17145
Experience:  15 years GM master tech
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2003 2500 HD how to change fuel pump

Resolved Question:

2003 2500 HD how to change fuel pump
Submitted: 5 years ago.
Category: Chevy
Expert:  Gary replied 5 years ago.
Hi, thank you for asking your question on JustAnswer. The other Experts and I are working on your answer. By the way, it would help us to know:

-What year is your Chevy?
-What model is your Chevy?
-How many miles are on your Chevy?
-What type of engine is in your Chevy?
-Thank you again for trusting us with your problem. Please reply as soon as possible so that we can finish answering your question.
Customer: replied 5 years ago.
year 2003
Expert:  Gary replied 5 years ago.
the fuel pump is located in the fuel must remove the fuel tank to change it.then once tank is out accessing threw the top opening you will replace the fuel pump assemblygraphicgraphicgraphic
Customer: replied 5 years ago.
3/4 tank of gas how is the best way to remove the tank.
Expert:  Gary replied 5 years ago.

siphon out as much gas as you can out of that tank first

  • Remove the fuel tank fill pipe.
  • Remove the evaporative emission (EVAP) canister.
  • If equipped, remove the fuel tank shield bolts.
  • Remove the fuel tank shield.
    1. Disconnect the fuel feed/return pipes from the fuel tank pipes.
    2. Cap the fuel and EVAP pipes in order to prevent possible fuel/EVAP system contamination.
    3. Place a suitable adjustable jack under the fuel tank.
    4. Remove the fuel tank strap bolts
    5. Remove the fuel tank straps.
    6. Lower the fuel tank until the electrical connections are accessible
      1. Remove the fuel sending unit connector position assurance (CPA) connector.
      2. Disconnect the fuel sending unit and pressure sensor electrical connectors (1).
      3. Completely lower the fuel tank.
      4. With the aid of an assistant, place the fuel tank in a suitable work area.graphicgraphicgraphic
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