Question about 2002 GMC Envoy

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How to cahnge a fuel filter in a 2002 envoy

Is there a special tool needed to change the filter, or how do i releave the pressure in the lines?

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  • Marvin
    Marvin May 11, 2010

    just remove the lines with a rag over them to catch the fuel.



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  1. Remove the fuel pump relay from the junction box
  2. Crank the engine.
  3. Allow the engine to start and stall.
  4. Crank the engine for an additional 3 seconds to ensure the relief of any remaining fuel pressure.
  5. Disconnect the negative battery cable in order to avoid re-pressurizing the fuel system.
  6. Install the fuel pump relay to the junction box .
  7. Tighten the fuel filler cap.

Posted on Jun 17, 2009


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