Question about 2003 Pontiac Aztek

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I have a 2003 Aztek and I am leaking fuel from under the driver compartment at a point where the line coming from the tank and intersects with the line going up to the engine. What is the part name and is it something I can fix.

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This sounds like the filter fuel line/area. Yes you can fix it, just clean it with a rag and see exactly where it is coming from, then if it is coming from a join it may just need tightening or you may need to remove it and then clean the connector and refit it again.
WARNING: Be careful if you remove the fuel line as it is under high pressure and fuel will come out of the connector at very high pressure. Make sure you cover the connector with a rag of some sorts to protect you from direct spray.
But thats all that will be the problem, unless the fuel line is cracked and then it will need to be replaced.
Let me know if you need more help.

Posted on Mar 14, 2011

  • lobot5247 Jun 24, 2011

    Is there an update on this? I am also having the same problem. My mechanic says that the line is specific to Pontiac and cannot be replaced with a generic line.

  • Jason Maurirere
    Jason Maurirere Jun 25, 2011

    In most case's the later model vehicle aren't able to have a generic type of line made up as the laws in some countries don't allow this to happen due to safety regulations.

    So if you are having the same problem then you can just see if the connector needs to be tightened or have the line replaced.



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Hello there, here are a few key notes to assist you:
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  • Start the truck and allow it to stall. The fuel system is depressurized. Insert the relay back into the fuse panel.
  • Locate the fuel filter by tracing the fuel lines coming out of the fuel tank. The filter will be located a foot from the tank under the truck on the driver side.
  • Unscrew the inlet and outlet lines by loosening the fuel line with a line wrench. Hold the filter in place by holding the nut on the filter with a second line wrench.
  • Pull the filter out of the mounting bracket by sliding it out and away from the bracket.
  • Slide the new filter into the mounting bracket. Ensure the arrow on the filter is pointing toward the front of the truck, as it designates the direction of fuel flow.
  • Screw the inlet and outlet lines onto the filter by hand. Tighten with a line wrench. Use a second line wrench to hold the filter still while tightening.
  • Start the truck by turning the ignition to the "Start" position. Hold the key in this position for two seconds to allow the fuel pump to push fuel through the lines. Repeat this until the truck starts.
  • Allow the truck to idle while inspecting the filter for any leaks. Inspect around the filter and the fuel lines.
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